1398 lines
45 KiB
JavaScript
1398 lines
45 KiB
JavaScript
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function Wiki( invoker ) {
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this.next_id = null;
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this.focused_editor = null;
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this.blank_editor_id = null;
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this.notebook = null;
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this.notebook_id = getElement( "notebook_id" ).value;
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this.parent_id = getElement( "parent_id" ).value; // id of the notebook containing this one
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this.startup_notes = new Array(); // map of startup notes: note id to bool
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this.open_editors = new Array(); // map of open notes: note title to editor
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this.all_notes_editor = null; // editor for display of list of all notes
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this.search_results_editor = null; // editor for display of search results
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this.invoker = invoker;
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this.rate_plan = evalJSON( getElement( "rate_plan" ).value );
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this.storage_usage_high = false;
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// grab the current notebook from the list of available notebooks
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var notebooks = evalJSON( getElement( "notebooks" ).value );
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for ( var i in notebooks ) {
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if ( notebooks[ i ].object_id == this.notebook_id ) {
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this.notebook = notebooks[ i ]
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break;
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}
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}
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// populate the wiki with startup notes
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this.populate(
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evalJSON( getElement( "startup_notes" ).value || "null" ),
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evalJSON( getElement( "note" ).value || "null" ),
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evalJSON( getElement( "note_read_write" ).value || "true" )
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);
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this.display_storage_usage( evalJSON( getElement( "storage_bytes" ).value || "0" ) );
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connect( this.invoker, "error_message", this, "display_error" );
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connect( this.invoker, "message", this, "display_message" );
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connect( "search_form", "onsubmit", this, "search" );
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connect( "html", "onclick", this, "background_clicked" );
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var self = this;
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var logout_link = getElement( "logout_link" );
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if ( logout_link ) {
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connect( "logout_link", "onclick", function ( event ) {
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self.save_editor( null, true );
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self.invoker.invoke( "/users/logout", "POST" );
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event.stop();
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} );
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}
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}
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Wiki.prototype.update_next_id = function ( result ) {
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this.next_id = result.next_id;
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}
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Wiki.prototype.display_storage_usage = function( storage_bytes ) {
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if ( !storage_bytes )
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return;
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// display the user's current storage usage
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var MEGABYTE = 1024 * 1024;
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function bytes_to_megabytes( storage_bytes ) {
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return Math.round( storage_bytes / MEGABYTE );
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}
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var quota_bytes = this.rate_plan.storage_quota_bytes;
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if ( !quota_bytes )
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return;
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var usage_percent = Math.round( storage_bytes / quota_bytes * 100.0 );
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if ( usage_percent > 90 ) {
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var storage_usage_class = "storage_usage_high";
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if ( this.storage_usage_high == false )
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this.display_message( "You are currently using " + usage_percent + "% of your available storage space. Please delete some notes, empty the trash, or upgrade your account." );
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this.storage_usage_high = true;
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} else if ( usage_percent > 75 ) {
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var storage_usage_class = "storage_usage_medium";
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this.storage_usage_high = false;
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} else {
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var storage_usage_class = "storage_usage_low";
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this.storage_usage_high = false;
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}
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replaceChildNodes(
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"storage_usage_area",
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createDOM( "div", { "class": storage_usage_class },
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bytes_to_megabytes( storage_bytes ) + " MB (" + usage_percent + "%) of " + bytes_to_megabytes( quota_bytes ) + " MB" )
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);
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}
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Wiki.prototype.populate = function ( startup_notes, note, note_read_write ) {
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// create an editor for each startup note in the received notebook, focusing the first one
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var focus = true;
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for ( var i in startup_notes ) {
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var startup_note = startup_notes[ i ];
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this.startup_notes[ startup_note.object_id ] = true;
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// don't actually create an editor if a particular note was provided in the result
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if ( !note ) {
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var editor = this.create_editor(
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startup_note.object_id,
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// grab this note's contents from the static <noscript> area
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getElement( "static_note_" + startup_note.object_id ).innerHTML,
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startup_note.deleted_from_id,
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startup_note.revision,
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this.notebook.read_write, false, focus
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);
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this.open_editors[ startup_note.title ] = editor;
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focus = false;
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}
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}
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// if one particular note was provided, then just display an editor for that note
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if ( note )
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this.create_editor(
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note.object_id,
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getElement( "static_note_" + note.object_id ).innerHTML,
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note.deleted_from_id,
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note.revision,
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this.notebook.read_write && note_read_write, false, true
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);
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if ( startup_notes.length == 0 && !note )
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this.display_empty_message();
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var self = this;
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var empty_trash_link = getElement( "empty_trash_link" );
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if ( empty_trash_link )
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connect( empty_trash_link, "onclick", function ( event ) { self.delete_all_editors( event ); } );
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if ( this.notebook.read_write ) {
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connect( window, "onunload", function ( event ) { self.editor_focused( null, true ); } );
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connect( "bold", "onclick", function ( event ) { self.toggle_button( event, "bold" ); } );
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connect( "italic", "onclick", function ( event ) { self.toggle_button( event, "italic" ); } );
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connect( "underline", "onclick", function ( event ) { self.toggle_button( event, "underline" ); } );
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connect( "title", "onclick", function ( event ) { self.toggle_button( event, "title", "h3" ); } );
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connect( "insertUnorderedList", "onclick", function ( event ) { self.toggle_button( event, "insertUnorderedList" ); } );
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connect( "insertOrderedList", "onclick", function ( event ) { self.toggle_button( event, "insertOrderedList" ); } );
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connect( "createLink", "onclick", this, "toggle_link_button" );
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connect( "newNote", "onmousedown", function ( event ) { addElementClass( "newNote", "button_down" ); } );
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connect( "newNote", "onmouseup", this, "create_blank_editor" );
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// grab the next available object id
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this.invoker.invoke( "/next_id", "POST", null,
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function( result ) { self.update_next_id( result ); }
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);
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}
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var all_notes_link = getElement( "all_notes_link" );
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if ( all_notes_link ) {
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connect( all_notes_link, "onclick", function ( event ) {
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self.load_editor( "all notes", "null" );
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event.stop();
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} );
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}
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var download_html_link = getElement( "download_html_link" );
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if ( download_html_link ) {
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connect( download_html_link, "onclick", function ( event ) {
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self.save_editor( null, true );
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} );
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}
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}
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Wiki.prototype.background_clicked = function ( event ) {
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if ( !hasElementClass( event.target(), "pulldown_checkbox" ) )
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this.clear_pulldowns();
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}
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Wiki.prototype.create_blank_editor = function ( event ) {
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if ( event ) event.stop();
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removeElementClass( "newNote", "button_down" );
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// if we're within the trash, don't allow new note creation
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if ( this.notebook.name == "trash" ) {
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this.display_error( "You can't create notes in the trash." );
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return;
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}
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// if there is already a blank editor, then highlight it and bail
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if ( this.blank_editor_id != null ) {
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var blank_iframe_id = "note_" + this.blank_editor_id;
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var iframe = getElement( blank_iframe_id );
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if ( iframe && iframe.editor.empty() ) {
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iframe.editor.highlight();
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return;
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}
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}
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var editor = this.create_editor( undefined, undefined, undefined, undefined, this.notebook.read_write, true, true );
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this.blank_editor_id = editor.id;
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}
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Wiki.prototype.load_editor = function ( note_title, note_id, revision, link ) {
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if ( this.notebook.name == "trash" && !revision ) {
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this.display_message( "If you'd like to use this note, try undeleting it first." );
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return;
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}
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// if a link is given with an open link pulldown, then ignore the note title given and use the
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// one from the pulldown instead
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if ( link ) {
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var pulldown = link.pulldown;
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var pulldown_title = undefined;
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if ( pulldown ) {
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pulldown_title = strip( pulldown.title_field.value );
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if ( pulldown_title )
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note_title = pulldown_title;
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else
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pulldown.title_field.value = note_title;
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}
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// if the title looks like a URL, then make it a link to an external site
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if ( /^\w+:\/\//.test( note_title ) ) {
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link.target = "_new";
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link.href = note_title;
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window.open( link.href );
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return
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}
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link.removeAttribute( "target" );
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}
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// if the note corresponding to the link's id is already open, highlight it and bail, but only if
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// we didn't pull a title from an open link pulldown
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if ( !pulldown_title ) {
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if ( revision )
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var iframe = getElement( "note_" + note_id + " " + revision );
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else
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var iframe = getElement( "note_" + note_id );
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if ( iframe ) {
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iframe.editor.highlight();
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if ( link )
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link.href = "/notebooks/" + this.notebook_id + "?note_id=" + note_id;
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return;
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}
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}
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// if there's not a valid destination note id, then load by title instead of by id
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var self = this;
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if ( pulldown_title || note_id == undefined || note_id == "new" || note_id == "null" ) {
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// if the note_title corresponds to a "magic" note's title, then dynamically highlight or create the note
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if ( note_title == "all notes" ) {
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this.invoker.invoke(
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"/notebooks/all_notes", "GET", { "notebook_id": this.notebook.object_id },
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function( result ) { self.display_all_notes_list( result ); }
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);
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return;
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}
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if ( note_title == "search results" ) {
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var editor = this.open_editors[ note_title ];
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if ( editor ) {
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editor.highlight();
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return;
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}
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this.display_search_results();
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return;
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}
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// but if the note corresponding to the link's title is already open, highlight it and bail
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if ( !revision ) {
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var editor = this.open_editors[ note_title ];
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if ( editor ) {
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editor.highlight();
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if ( link )
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link.href = "/notebooks/" + this.notebook_id + "?note_id=" + editor.id;
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return;
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}
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}
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this.invoker.invoke(
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"/notebooks/load_note_by_title", "GET", {
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"notebook_id": this.notebook_id,
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"note_title": note_title,
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"revision": revision
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},
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function ( result ) { self.parse_loaded_editor( result, note_title, revision, link ); }
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);
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return;
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}
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this.invoker.invoke(
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"/notebooks/load_note", "GET", {
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"notebook_id": this.notebook_id,
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"note_id": note_id,
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"revision": revision
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},
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function ( result ) { self.parse_loaded_editor( result, note_title, revision, link ); }
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);
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}
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Wiki.prototype.resolve_link = function ( note_title, link, callback ) {
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// if the title looks like a URL, then make it a link to an external site
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if ( /^\w+:\/\//.test( note_title ) ) {
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link.target = "_new";
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link.href = note_title;
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if ( callback ) callback( "web link" );
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return;
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}
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link.removeAttribute( "target" );
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if ( note_title == "all notes" || note_title == "search results" ) {
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link.href = "/notebooks/" + this.notebook_id + "?" + queryString(
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[ "title", "note_id" ],
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[ note_title, "null" ]
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);
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if ( callback ) {
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if ( note_title == "all notes" )
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callback( "list of all notes in this notebook" );
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else
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callback( "current search results" );
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}
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return;
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}
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var id = parse_query( link ).note_id;
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// if the link already has a valid-looking id, it's already resolved, so bail
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if ( !callback && id != undefined && id != "new" && id != "null" )
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return;
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if ( note_title.length == 0 )
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return;
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// if the note corresponding to the link's title is already open, resolve the link and bail
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var editor = this.open_editors[ note_title ];
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if ( editor ) {
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link.href = "/notebooks/" + this.notebook_id + "?note_id=" + editor.id;
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if ( callback )
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callback( editor.contents() );
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return;
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}
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var self = this;
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this.invoker.invoke(
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"/notebooks/" + ( callback ? "load_note_by_title" : "lookup_note_id" ), "GET", {
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"notebook_id": this.notebook_id,
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"note_title": note_title
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},
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function ( result ) {
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if ( result && ( result.note || result.note_id ) ) {
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link.href = "/notebooks/" + self.notebook_id + "?note_id=" + ( result.note ? result.note.object_id : result.note_id );
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} else {
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link.href = "/notebooks/" + self.notebook_id + "?" + queryString(
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[ "title", "note_id" ],
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[ note_title, "null" ]
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);
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}
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if ( callback )
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callback( ( result && result.note ) ? result.note.contents : null );
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}
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);
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}
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Wiki.prototype.parse_loaded_editor = function ( result, note_title, requested_revision, link ) {
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if ( result.note ) {
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var id = result.note.object_id;
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if ( requested_revision )
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id += " " + requested_revision;
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var actual_revision = result.note.revision;
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var note_text = result.note.contents;
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var deleted_from_id = result.note.deleted;
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} else {
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var id = null;
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var note_text = "<h3>" + note_title;
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var deleted_from_id = null;
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var actual_revision = null;
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}
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if ( requested_revision )
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var read_write = false; // show previous revisions as read-only
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else
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var read_write = this.notebook.read_write;
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var editor = this.create_editor( id, note_text, deleted_from_id, actual_revision, read_write, true, false );
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id = editor.id;
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// if a link that launched this editor was provided, update it with the created note's id
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if ( link && id )
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link.href = "/notebooks/" + this.notebook_id + "?note_id=" + id;
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}
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Wiki.prototype.create_editor = function ( id, note_text, deleted_from_id, revision, read_write, highlight, focus ) {
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var self = this;
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if ( isUndefinedOrNull( id ) ) {
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if ( this.notebook.read_write ) {
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id = this.next_id;
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this.invoker.invoke( "/next_id", "POST", null,
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function( result ) { self.update_next_id( result ); }
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);
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} else {
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id = 0;
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}
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}
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// for read-only notes within read-write notebooks, tack the revision timestamp onto the start of the note text
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if ( !read_write && this.notebook.read_write && revision ) {
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var short_revision = this.brief_revision( revision );
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note_text = "<p>Previous revision from " + short_revision + "</p>" + note_text;
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}
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var startup = this.startup_notes[ id ];
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var editor = new Editor( id, this.notebook_id, note_text, deleted_from_id, revision, read_write, startup, highlight, focus );
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if ( this.notebook.read_write ) {
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connect( editor, "state_changed", this, "editor_state_changed" );
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connect( editor, "title_changed", this, "editor_title_changed" );
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connect( editor, "key_pressed", this, "editor_key_pressed" );
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connect( editor, "delete_clicked", function ( event ) { self.delete_editor( event, editor ) } );
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connect( editor, "undelete_clicked", function ( event ) { self.undelete_editor_via_trash( event, editor ) } );
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connect( editor, "changes_clicked", function ( event ) { self.toggle_editor_changes( event, editor ) } );
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connect( editor, "options_clicked", function ( event ) { self.toggle_editor_options( event, editor ) } );
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connect( editor, "focused", this, "editor_focused" );
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}
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connect( editor, "load_editor", this, "load_editor" );
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connect( editor, "resolve_link", this, "resolve_link" );
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connect( editor, "hide_clicked", function ( event ) { self.hide_editor( event, editor ) } );
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connect( editor, "submit_form", function ( url, form ) {
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self.invoker.invoke( url, "POST", null, null, form );
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} );
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return editor;
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}
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Wiki.prototype.editor_state_changed = function ( editor ) {
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this.update_toolbar();
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this.display_link_pulldown( editor );
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}
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Wiki.prototype.editor_title_changed = function ( editor, old_title, new_title ) {
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delete this.open_editors[ old_title ];
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if ( new_title != null )
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this.open_editors[ new_title ] = editor;
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}
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Wiki.prototype.display_link_pulldown = function ( editor, link ) {
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if ( !editor.read_write ) {
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this.clear_pulldowns();
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return;
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}
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if ( !link )
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link = editor.find_link_at_cursor();
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// if there's no link at the current cursor location, or there is a link but it was just started,
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// bail
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if ( !link || link == editor.link_started ) {
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this.clear_pulldowns();
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return;
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}
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var pulldown = link.pulldown;
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if ( pulldown )
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pulldown.update_position();
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// if the cursor is now on a link, display a link pulldown if there isn't already one open
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if ( link_title( link ).length > 0 ) {
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if ( !pulldown ) {
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this.clear_pulldowns();
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new Link_pulldown( this, this.notebook_id, this.invoker, editor, link );
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}
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}
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}
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|
Wiki.prototype.editor_focused = function ( editor, fire_and_forget ) {
|
|
if ( editor )
|
|
addElementClass( editor.iframe, "focused_note_frame" );
|
|
|
|
if ( this.focused_editor && this.focused_editor != editor ) {
|
|
this.clear_pulldowns();
|
|
removeElementClass( this.focused_editor.iframe, "focused_note_frame" );
|
|
|
|
// if the formerly focused editor is completely empty, then remove it as the user leaves it and switches to this editor
|
|
if ( this.focused_editor.empty() ) {
|
|
this.focused_editor.shutdown();
|
|
this.display_empty_message();
|
|
} else {
|
|
// when switching editors, save the one being left
|
|
this.save_editor( null, fire_and_forget );
|
|
}
|
|
}
|
|
|
|
this.focused_editor = editor;
|
|
}
|
|
|
|
Wiki.prototype.editor_key_pressed = function ( editor, event ) {
|
|
var code = event.key().code;
|
|
if ( event.modifier().ctrl ) {
|
|
// ctrl-backtick: alert with frame HTML contents (temporary for debugging)
|
|
if ( code == 192 || code == 96 ) {
|
|
alert( editor.contents() );
|
|
event.stop();
|
|
// ctrl-b: bold
|
|
} else if ( code == 66 ) {
|
|
this.toggle_button( event, "bold" );
|
|
// ctrl-i: italic
|
|
} else if ( code == 73 ) {
|
|
this.toggle_button( event, "italic" );
|
|
// ctrl-u: underline
|
|
} else if ( code == 85 ) {
|
|
this.toggle_button( event, "underline" );
|
|
// ctrl-t: title
|
|
} else if ( code == 84 ) {
|
|
this.toggle_button( event, "title", "h3" );
|
|
// ctrl-period: unordered list
|
|
} else if ( code == 190 ) {
|
|
this.toggle_button( event, "insertUnorderedList" );
|
|
// ctrl-n: ordered list
|
|
} else if ( code == 49 ) {
|
|
this.toggle_button( event, "insertOrderedList" );
|
|
// ctrl-l: make a note link
|
|
} else if ( code == 76 ) {
|
|
this.toggle_link_button( event );
|
|
// ctrl-n: new note
|
|
} else if ( code == 78 ) {
|
|
this.create_blank_editor( event );
|
|
// ctrl-h: hide note
|
|
} else if ( code == 72 ) {
|
|
if ( !editor.deleted_from_id )
|
|
this.hide_editor( event );
|
|
// ctrl-d: delete note
|
|
} else if ( code == 68 ) {
|
|
this.delete_editor( event );
|
|
}
|
|
// IE: hitting space or tab while making a link shouldn't end the link
|
|
} else if ( ( code == 32 || code == 9 ) && editor.document.selection && editor.state_enabled( "createLink" ) ) {
|
|
var range = editor.document.selection.createRange();
|
|
var text = range.parentElement().firstChild;
|
|
text.nodeValue += " ";
|
|
event.stop();
|
|
}
|
|
}
|
|
|
|
Wiki.prototype.toggle_button = function ( event, button_id, state_name ) {
|
|
this.clear_messages();
|
|
this.clear_pulldowns();
|
|
|
|
if ( this.focused_editor && this.focused_editor.read_write ) {
|
|
this.focused_editor.focus();
|
|
this.focused_editor.exec_command( state_name || button_id );
|
|
this.focused_editor.resize();
|
|
this.update_button( button_id, state_name );
|
|
}
|
|
|
|
event.stop();
|
|
}
|
|
|
|
Wiki.prototype.update_button = function ( button_id, state_name ) {
|
|
if ( this.focused_editor.state_enabled( state_name || button_id ) )
|
|
addElementClass( button_id, "button_down" );
|
|
else
|
|
removeElementClass( button_id, "button_down" );
|
|
}
|
|
|
|
Wiki.prototype.update_toolbar = function() {
|
|
if ( this.focused_editor ) {
|
|
this.update_button( "bold" );
|
|
this.update_button( "italic" );
|
|
this.update_button( "underline" );
|
|
this.update_button( "title", "h3" );
|
|
this.update_button( "insertUnorderedList" );
|
|
this.update_button( "insertOrderedList" );
|
|
this.update_button( "createLink" );
|
|
}
|
|
}
|
|
|
|
Wiki.prototype.toggle_link_button = function ( event ) {
|
|
this.clear_messages();
|
|
this.clear_pulldowns();
|
|
var link = null;
|
|
|
|
if ( this.focused_editor && this.focused_editor.read_write ) {
|
|
this.focused_editor.focus();
|
|
toggleElementClass( "button_down", "createLink" );
|
|
if ( hasElementClass( "createLink", "button_down" ) )
|
|
this.focused_editor.start_link();
|
|
else
|
|
link = this.focused_editor.end_link();
|
|
|
|
this.display_link_pulldown( this.focused_editor, link );
|
|
}
|
|
|
|
event.stop();
|
|
}
|
|
|
|
Wiki.prototype.hide_editor = function ( event, editor ) {
|
|
this.clear_messages();
|
|
this.clear_pulldowns();
|
|
|
|
if ( !editor ) {
|
|
editor = this.focused_editor;
|
|
this.focused_editor = null;
|
|
}
|
|
|
|
if ( editor ) {
|
|
// before hiding an editor, save it
|
|
if ( this.notebook.read_write )
|
|
this.save_editor( editor );
|
|
|
|
editor.shutdown();
|
|
this.display_empty_message();
|
|
}
|
|
|
|
event.stop();
|
|
}
|
|
|
|
Wiki.prototype.delete_editor = function ( event, editor ) {
|
|
this.clear_messages();
|
|
this.clear_pulldowns();
|
|
|
|
if ( !editor ) {
|
|
editor = this.focused_editor;
|
|
this.focused_editor = null;
|
|
}
|
|
|
|
if ( editor ) {
|
|
if ( this.startup_notes[ editor.id ] )
|
|
delete this.startup_notes[ editor.id ];
|
|
|
|
this.save_editor( editor, true );
|
|
|
|
var self = this;
|
|
if ( this.notebook.read_write && editor.read_write ) {
|
|
this.invoker.invoke( "/notebooks/delete_note", "POST", {
|
|
"notebook_id": this.notebook_id,
|
|
"note_id": editor.id
|
|
}, function ( result ) { self.display_storage_usage( result.storage_bytes ); } );
|
|
}
|
|
|
|
if ( editor == this.focused_editor )
|
|
this.focused_editor = null;
|
|
|
|
if ( this.notebook.trash_id && !editor.empty() ) {
|
|
var undo_button = createDOM( "input", {
|
|
"type": "button",
|
|
"class": "message_button",
|
|
"value": "undo",
|
|
"title": "undo deletion"
|
|
} );
|
|
var trash_link = createDOM( "a", {
|
|
"href": "/notebooks/" + this.notebook.trash_id + "?parent_id=" + this.notebook.object_id
|
|
}, "trash" );
|
|
this.display_message( 'The note has been moved to the', [ trash_link, ". ", undo_button ] )
|
|
var self = this;
|
|
connect( undo_button, "onclick", function ( event ) { self.undelete_editor_via_undo( event, editor ); } );
|
|
}
|
|
|
|
editor.shutdown();
|
|
this.display_empty_message();
|
|
}
|
|
|
|
event.stop();
|
|
}
|
|
|
|
Wiki.prototype.undelete_editor_via_trash = function ( event, editor ) {
|
|
this.clear_messages();
|
|
this.clear_pulldowns();
|
|
|
|
if ( !editor ) {
|
|
editor = this.focused_editor;
|
|
this.focused_editor = null;
|
|
}
|
|
|
|
if ( editor ) {
|
|
if ( this.startup_notes[ editor.id ] )
|
|
delete this.startup_notes[ editor.id ];
|
|
|
|
this.save_editor( editor, true );
|
|
|
|
if ( this.notebook.read_write && editor.read_write ) {
|
|
var self = this;
|
|
this.invoker.invoke( "/notebooks/undelete_note", "POST", {
|
|
"notebook_id": editor.deleted_from_id,
|
|
"note_id": editor.id
|
|
}, function ( result ) { self.display_storage_usage( result.storage_bytes ); } );
|
|
}
|
|
|
|
if ( editor == this.focused_editor )
|
|
this.focused_editor = null;
|
|
|
|
editor.shutdown();
|
|
this.display_empty_message();
|
|
}
|
|
|
|
event.stop();
|
|
}
|
|
|
|
Wiki.prototype.undelete_editor_via_undo = function( event, editor ) {
|
|
this.clear_messages();
|
|
this.clear_pulldowns();
|
|
|
|
if ( editor ) {
|
|
if ( this.notebook.read_write && editor.read_write ) {
|
|
var self = this;
|
|
this.invoker.invoke( "/notebooks/undelete_note", "POST", {
|
|
"notebook_id": this.notebook_id,
|
|
"note_id": editor.id
|
|
}, function ( result ) { self.display_storage_usage( result.storage_bytes ); } );
|
|
}
|
|
|
|
this.startup_notes[ editor.id ] = true;
|
|
this.load_editor( "Note not found.", editor.id, null );
|
|
}
|
|
|
|
event.stop();
|
|
}
|
|
|
|
Wiki.prototype.compare_versions = function( event, editor, previous_revision ) {
|
|
this.clear_pulldowns();
|
|
|
|
// display the two revisions for comparison by the user
|
|
this.load_editor( editor.title, editor.id, previous_revision );
|
|
this.load_editor( editor.title, editor.id );
|
|
}
|
|
|
|
Wiki.prototype.save_editor = function ( editor, fire_and_forget ) {
|
|
if ( !editor )
|
|
editor = this.focused_editor;
|
|
|
|
var self = this;
|
|
if ( editor && editor.read_write && !editor.empty() ) {
|
|
this.invoker.invoke( "/notebooks/save_note", "POST", {
|
|
"notebook_id": this.notebook_id,
|
|
"note_id": editor.id,
|
|
"contents": editor.contents(),
|
|
"startup": editor.startup,
|
|
"previous_revision": editor.revision ? editor.revision : "None"
|
|
}, function ( result ) {
|
|
self.update_editor_revisions( result, editor );
|
|
self.display_storage_usage( result.storage_bytes );
|
|
}, null, fire_and_forget );
|
|
}
|
|
}
|
|
|
|
Wiki.prototype.update_editor_revisions = function ( result, editor ) {
|
|
// if there's not a newly saved revision, then the contents are unchanged, so bail
|
|
if ( !result.new_revision )
|
|
return;
|
|
|
|
var client_previous_revision = editor.revision;
|
|
editor.revision = result.new_revision;
|
|
|
|
// if the server's idea of the previous revision doesn't match the client's, then someone has
|
|
// gone behind our back and saved the editor's note from another window
|
|
if ( result.previous_revision != client_previous_revision ) {
|
|
var compare_button = createDOM( "input", {
|
|
"type": "button",
|
|
"class": "message_button",
|
|
"value": "compare versions",
|
|
"title": "compare your version with the modified version"
|
|
} );
|
|
this.display_error( 'Your changes to the note titled "' + editor.title + '" have overwritten changes made in another window.', [ compare_button ] );
|
|
|
|
var self = this;
|
|
connect( compare_button, "onclick", function ( event ) {
|
|
self.compare_versions( event, editor, result.previous_revision );
|
|
} );
|
|
|
|
if ( !editor.revisions_list || editor.revisions_list.length == 0 )
|
|
return;
|
|
editor.revisions_list.push( result.previous_revision );
|
|
}
|
|
|
|
// add the new revision to the editor's revisions list
|
|
if ( !editor.revisions_list || editor.revisions_list.length == 0 )
|
|
return;
|
|
editor.revisions_list.push( result.new_revision );
|
|
}
|
|
|
|
Wiki.prototype.search = function ( event ) {
|
|
this.clear_messages();
|
|
this.clear_pulldowns();
|
|
|
|
var self = this;
|
|
this.invoker.invoke( "/notebooks/search", "GET", {
|
|
"notebook_id": this.notebook_id
|
|
},
|
|
function( result ) { self.display_search_results( result ); },
|
|
"search_form"
|
|
);
|
|
|
|
event.stop();
|
|
}
|
|
|
|
Wiki.prototype.display_search_results = function ( result ) {
|
|
// if there are no search results, indicate that and bail
|
|
if ( !result || result.notes.length == 0 ) {
|
|
this.display_error( "No matching notes." );
|
|
return;
|
|
}
|
|
|
|
// TODO: highlight the search term within the search results, idealy showing
|
|
// a section of the note contents including the search term
|
|
|
|
// if there's only one search result, automatically feel lucky^Wfortunate
|
|
if ( result.notes.length == 1 ) {
|
|
var note = result.notes[ 0 ]
|
|
|
|
// if the editor is already open, highlight it and bail
|
|
var iframe = getElement( "note_" + note.object_id );
|
|
if ( iframe ) {
|
|
iframe.editor.highlight();
|
|
return;
|
|
}
|
|
|
|
// otherwise, create an editor for the one note
|
|
this.create_editor( note.object_id, note.contents, note.deleted_from_id, note.revision, this.notebook.read_write, true, true );
|
|
return;
|
|
}
|
|
|
|
// otherwise, there are multiple search results, so create a "magic" search results note. but
|
|
// first close any open search results notes
|
|
if ( this.search_results_editor )
|
|
this.search_results_editor.shutdown();
|
|
|
|
var list = createDOM( "span", {} );
|
|
for ( var i in result.notes ) {
|
|
var note = result.notes[ i ]
|
|
if ( !note.title ) continue;
|
|
|
|
var contents_node = createDOM( "span", {} );
|
|
contents_node.innerHTML = note.contents;
|
|
contents = strip( scrapeText( contents_node ) );
|
|
|
|
// remove the title from the scraped contents text
|
|
if ( contents.indexOf( note.title ) == 0 )
|
|
contents = contents.substr( note.title.length );
|
|
|
|
if ( contents.length == 0 ) {
|
|
var preview = "empty note";
|
|
} else {
|
|
var max_preview_length = 160;
|
|
var preview = contents.substr( 0, max_preview_length ) + ( ( contents.length > max_preview_length ) ? "..." : "" );
|
|
}
|
|
|
|
appendChildNodes( list,
|
|
createDOM( "p", {},
|
|
createDOM( "a", { "href": "/notebooks/" + this.notebook_id + "?note_id=" + note.object_id }, note.title ),
|
|
createDOM( "br" ),
|
|
createDOM( "span", {}, preview )
|
|
)
|
|
);
|
|
}
|
|
|
|
this.search_results_editor = this.create_editor( "search_results", "<h3>search results</h3>" + list.innerHTML, undefined, undefined, false, true, true );
|
|
}
|
|
|
|
Wiki.prototype.display_all_notes_list = function ( result ) {
|
|
if ( result.notes.length == 0 ) {
|
|
this.display_message( "This notebook is empty." );
|
|
return;
|
|
}
|
|
|
|
if ( this.all_notes_editor )
|
|
this.all_notes_editor.shutdown();
|
|
|
|
// build up a list of all notes in this notebook, one link per note
|
|
var list = createDOM( "ul", {} );
|
|
for ( var i in result.notes ) {
|
|
var note_tuple = result.notes[ i ]
|
|
var note_id = note_tuple[ 0 ];
|
|
var note_title = note_tuple[ 1 ];
|
|
if ( !note_title )
|
|
note_title = "untitled note";
|
|
|
|
appendChildNodes( list,
|
|
createDOM( "li", {},
|
|
createDOM( "a", { "href": "/notebooks/" + this.notebook_id + "?note_id=" + note_id }, note_title )
|
|
)
|
|
);
|
|
}
|
|
|
|
this.all_notes_editor = this.create_editor( "all_notes", "<h3>all notes</h3>" + list.innerHTML, undefined, undefined, false, true, true );
|
|
}
|
|
|
|
Wiki.prototype.display_message = function ( text, nodes ) {
|
|
this.clear_messages();
|
|
this.clear_pulldowns();
|
|
|
|
var inner_div = DIV( { "class": "message_inner" }, text + " " );
|
|
for ( var i in nodes )
|
|
appendChildNodes( inner_div, nodes[ i ] );
|
|
|
|
ok_button = createDOM( "input", {
|
|
"type": "button",
|
|
"class": "message_button",
|
|
"value": "ok",
|
|
"title": "dismiss this message"
|
|
} );
|
|
appendChildNodes( inner_div, ok_button );
|
|
connect( ok_button, "onclick", this.clear_messages );
|
|
|
|
var div = DIV( { "class": "message" }, inner_div );
|
|
div.nodes = nodes;
|
|
|
|
appendChildNodes( "notes", div );
|
|
ScrollTo( div );
|
|
}
|
|
|
|
Wiki.prototype.display_error = function ( text, nodes ) {
|
|
this.clear_messages();
|
|
this.clear_pulldowns();
|
|
|
|
// remove all empty editors, some of which might exist due to a problem reaching the server
|
|
var iframes = getElementsByTagAndClassName( "iframe", "note_frame" );
|
|
for ( var i in iframes ) {
|
|
var editor = iframes[ i ].editor;
|
|
if ( editor.empty() )
|
|
editor.shutdown();
|
|
}
|
|
|
|
var inner_div = DIV( { "class": "error_inner" }, text + " " );
|
|
for ( var i in nodes )
|
|
appendChildNodes( inner_div, nodes[ i ] );
|
|
|
|
ok_button = createDOM( "input", {
|
|
"type": "button",
|
|
"class": "message_button",
|
|
"value": "ok",
|
|
"title": "dismiss this message"
|
|
} );
|
|
appendChildNodes( inner_div, ok_button );
|
|
connect( ok_button, "onclick", this.clear_messages );
|
|
|
|
var div = DIV( { "class": "error" }, inner_div );
|
|
div.nodes = nodes;
|
|
|
|
appendChildNodes( "notes", div );
|
|
ScrollTo( div );
|
|
}
|
|
|
|
Wiki.prototype.clear_messages = function () {
|
|
var results = getElementsByTagAndClassName( "div", "message" );
|
|
|
|
for ( var i in results ) {
|
|
var result = results[ i ];
|
|
blindUp( result, options = { "duration": 0.5, afterFinish: function () {
|
|
try {
|
|
for ( var j in result.nodes )
|
|
disconnectAll( result.nodes[ j ] );
|
|
removeElement( result );
|
|
} catch ( e ) { }
|
|
} } );
|
|
}
|
|
|
|
var results = getElementsByTagAndClassName( "div", "error" );
|
|
|
|
for ( var i in results ) {
|
|
var result = results[ i ];
|
|
blindUp( result, options = { "duration": 0.5, afterFinish: function () {
|
|
try {
|
|
removeElement( result );
|
|
} catch ( e ) { }
|
|
} } );
|
|
}
|
|
}
|
|
|
|
Wiki.prototype.clear_pulldowns = function () {
|
|
var results = getElementsByTagAndClassName( "div", "pulldown" );
|
|
|
|
for ( var i in results ) {
|
|
var result = results[ i ];
|
|
|
|
// close the pulldown if it's been open at least a quarter second
|
|
if ( new Date() - result.pulldown.init_time >= 250 )
|
|
result.pulldown.shutdown();
|
|
}
|
|
}
|
|
|
|
Wiki.prototype.delete_all_editors = function ( event ) {
|
|
this.clear_messages();
|
|
this.clear_pulldowns();
|
|
|
|
this.startup_notes = new Array();
|
|
|
|
if ( this.notebook.read_write ) {
|
|
var self = this;
|
|
this.invoker.invoke( "/notebooks/delete_all_notes", "POST", {
|
|
"notebook_id": this.notebook_id
|
|
}, function ( result ) { self.display_storage_usage( result.storage_bytes ); } );
|
|
}
|
|
|
|
this.focused_editor = null;
|
|
|
|
var iframes = getElementsByTagAndClassName( "iframe", "note_frame" );
|
|
for ( var i in iframes ) {
|
|
var editor = iframes[ i ].editor;
|
|
editor.shutdown();
|
|
}
|
|
|
|
this.display_empty_message();
|
|
|
|
event.stop();
|
|
}
|
|
|
|
Wiki.prototype.display_empty_message = function () {
|
|
var iframes = getElementsByTagAndClassName( "iframe", "note_frame" );
|
|
|
|
// if there are any open editors, bail
|
|
for ( var i in iframes ) {
|
|
var iframe = iframes[ i ];
|
|
if ( iframe.editor.closed == false )
|
|
return;
|
|
}
|
|
|
|
if ( this.parent_id )
|
|
this.display_message( "The trash is empty." )
|
|
}
|
|
|
|
DATE_PATTERN = /(\d\d\d\d)-(\d\d)-(\d\d) (\d\d):(\d\d):(\d\d).(\d+)[+-](\d\d:?\d\d)/;
|
|
|
|
Wiki.prototype.brief_revision = function ( revision ) {
|
|
var matches = DATE_PATTERN.exec( revision );
|
|
|
|
return new Date( Date.UTC(
|
|
matches[ 1 ], // year
|
|
matches[ 2 ] - 1, // month (zero-based)
|
|
matches[ 3 ], // day
|
|
matches[ 4 ], // hour
|
|
matches[ 5 ], // minute
|
|
matches[ 6 ], // second
|
|
matches[ 7 ] * 0.001 // milliseconds
|
|
) ).toLocaleString();
|
|
|
|
// return revision.split( /\.\d/ )[ 0 ]; // strip off seconds from the timestamp
|
|
}
|
|
|
|
Wiki.prototype.toggle_editor_changes = function ( event, editor ) {
|
|
// if the pulldown is already open, then just close it
|
|
var pulldown_id = "changes_" + editor.id;
|
|
var existing_div = getElement( pulldown_id );
|
|
if ( existing_div ) {
|
|
existing_div.pulldown.shutdown();
|
|
return;
|
|
}
|
|
|
|
event.stop();
|
|
|
|
// if there's already a cached revision list, or the editor doesn't have a revision yet, then
|
|
// display the changes pulldown and bail
|
|
if ( ( editor.revisions_list && editor.revisions_list.length > 0 ) || !editor.revision ) {
|
|
new Changes_pulldown( this, this.notebook_id, this.invoker, editor );
|
|
return;
|
|
}
|
|
|
|
// otherwise, load the revision list for this note from the server
|
|
var self = this;
|
|
this.invoker.invoke(
|
|
"/notebooks/load_note_revisions", "GET", {
|
|
"notebook_id": this.notebook_id,
|
|
"note_id": editor.id
|
|
},
|
|
function ( result ) {
|
|
editor.revisions_list = result.revisions;
|
|
new Changes_pulldown( self, self.notebook_id, self.invoker, editor );
|
|
}
|
|
);
|
|
}
|
|
|
|
Wiki.prototype.toggle_editor_options = function ( event, editor ) {
|
|
// if the pulldown is already open, then just close it
|
|
var pulldown_id = "options_" + editor.id;
|
|
var existing_div = getElement( pulldown_id );
|
|
if ( existing_div ) {
|
|
existing_div.pulldown.shutdown();
|
|
return;
|
|
}
|
|
|
|
new Options_pulldown( this, this.notebook_id, this.invoker, editor );
|
|
event.stop();
|
|
}
|
|
|
|
connect( window, "onload", function ( event ) { new Wiki( new Invoker() ); } );
|
|
|
|
|
|
function Pulldown( wiki, notebook_id, pulldown_id, anchor, relative_to ) {
|
|
this.wiki = wiki;
|
|
this.notebook_id = notebook_id;
|
|
this.div = createDOM( "div", { "id": pulldown_id, "class": "pulldown" } );
|
|
this.div.pulldown = this;
|
|
this.init_time = new Date();
|
|
this.anchor = anchor;
|
|
this.relative_to = relative_to;
|
|
|
|
addElementClass( this.div, "invisible" );
|
|
|
|
appendChildNodes( document.body, this.div );
|
|
var position = calculate_position( anchor, relative_to );
|
|
setElementPosition( this.div, position );
|
|
|
|
removeElementClass( this.div, "invisible" );
|
|
}
|
|
|
|
function calculate_position( anchor, relative_to ) {
|
|
// position the pulldown under the anchor
|
|
var position = getElementPosition( anchor );
|
|
|
|
if ( relative_to ) {
|
|
var relative_pos = getElementPosition( relative_to );
|
|
if ( relative_pos ) {
|
|
position.x += relative_pos.x;
|
|
position.y += relative_pos.y;
|
|
|
|
// Work around an IE "feature" in which an element within an iframe changes its absolute
|
|
// position based on how far the page is scrolled. The if is necessary to prevent this
|
|
// workaround from screwing positions up in sane browsers like Firefox.
|
|
if ( getStyle( "content", "position" ) == "absolute" )
|
|
position.y -= getElement( "html" ).scrollTop;
|
|
|
|
}
|
|
}
|
|
|
|
var anchor_dimensions = getElementDimensions( anchor );
|
|
|
|
// if the anchor has no height, move the position down a bit by an arbitrary amount
|
|
if ( anchor_dimensions.h == 0 )
|
|
position.y += 8;
|
|
else
|
|
position.y += anchor_dimensions.h + 4;
|
|
|
|
return position;
|
|
}
|
|
|
|
Pulldown.prototype.update_position = function () {
|
|
var position = calculate_position( this.anchor, this.relative_to );
|
|
setElementPosition( this.div, position );
|
|
}
|
|
|
|
Pulldown.prototype.shutdown = function () {
|
|
removeElement( this.div );
|
|
}
|
|
|
|
|
|
function Options_pulldown( wiki, notebook_id, invoker, editor ) {
|
|
Pulldown.call( this, wiki, notebook_id, "options_" + editor.id, editor.options_button );
|
|
|
|
this.invoker = invoker;
|
|
this.editor = editor;
|
|
this.startup_checkbox = createDOM( "input", { "type": "checkbox", "class": "pulldown_checkbox" } );
|
|
this.startup_toggle = createDOM( "a", { "href": "", "class": "pulldown_link", "title": "Display this note whenever the notebook is loaded." },
|
|
"show on startup"
|
|
);
|
|
|
|
appendChildNodes( this.div, this.startup_checkbox );
|
|
appendChildNodes( this.div, this.startup_toggle );
|
|
this.startup_checkbox.checked = editor.startup;
|
|
|
|
var self = this;
|
|
connect( this.startup_checkbox, "onclick", function ( event ) { self.startup_clicked( event ); } );
|
|
connect( this.startup_toggle, "onclick", function ( event ) { self.startup_clicked( event ); event.stop(); } );
|
|
}
|
|
|
|
Options_pulldown.prototype = new function () { this.prototype = Pulldown.prototype; };
|
|
Options_pulldown.prototype.constructor = Options_pulldown;
|
|
|
|
Options_pulldown.prototype.startup_clicked = function ( event ) {
|
|
if ( event.target() != this.startup_checkbox )
|
|
this.startup_checkbox.checked = this.startup_checkbox.checked ? false : true;
|
|
this.editor.startup = this.startup_checkbox.checked;
|
|
|
|
// save this note along with its toggled startup state
|
|
this.wiki.save_editor( this.editor );
|
|
}
|
|
|
|
Options_pulldown.prototype.shutdown = function () {
|
|
Pulldown.prototype.shutdown.call( this );
|
|
|
|
disconnectAll( this.startup_checkbox );
|
|
disconnectAll( this.startup_toggle );
|
|
}
|
|
|
|
|
|
function Changes_pulldown( wiki, notebook_id, invoker, editor ) {
|
|
Pulldown.call( this, wiki, notebook_id, "changes_" + editor.id, editor.changes_button );
|
|
|
|
this.invoker = invoker;
|
|
this.editor = editor;
|
|
this.links = new Array();
|
|
|
|
if ( !editor.revisions_list || editor.revisions_list.length == 0 ) {
|
|
appendChildNodes( this.div, createDOM( "span", "This note has no previous changes." ) );
|
|
return;
|
|
}
|
|
|
|
// display list of revision timestamps in reverse chronological order
|
|
var revisions_list = clone( editor.revisions_list );
|
|
revisions_list.reverse();
|
|
|
|
var self = this;
|
|
for ( var i = 0; i < revisions_list.length - 1; ++i ) { // -1 to skip the oldest revision
|
|
var revision = revisions_list[ i ];
|
|
var short_revision = this.wiki.brief_revision( revision );
|
|
var href = "/notebooks/" + this.notebook_id + "?" + queryString(
|
|
[ "note_id", "revision" ],
|
|
[ this.editor.id, revision ]
|
|
);
|
|
var link = createDOM( "a", { "href": href, "class": "pulldown_link" }, short_revision );
|
|
this.links.push( link );
|
|
link.revision = revision;
|
|
connect( link, "onclick", function ( event ) { self.link_clicked( event, self.editor.id ); } );
|
|
appendChildNodes( this.div, link );
|
|
appendChildNodes( this.div, createDOM( "br" ) );
|
|
}
|
|
}
|
|
|
|
Changes_pulldown.prototype = new function () { this.prototype = Pulldown.prototype; };
|
|
Changes_pulldown.prototype.constructor = Changes_pulldown;
|
|
|
|
Changes_pulldown.prototype.link_clicked = function( event, note_id ) {
|
|
var revision = event.target().revision;
|
|
this.wiki.load_editor( "Revision not found.", note_id, revision );
|
|
event.stop();
|
|
}
|
|
|
|
Changes_pulldown.prototype.shutdown = function () {
|
|
Pulldown.prototype.shutdown.call( this );
|
|
|
|
for ( var i in this.links )
|
|
disconnectAll( this.links[ i ] );
|
|
}
|
|
|
|
|
|
function Link_pulldown( wiki, notebook_id, invoker, editor, link ) {
|
|
link.pulldown = this;
|
|
this.link = link;
|
|
|
|
Pulldown.call( this, wiki, notebook_id, "link_" + editor.id, link, editor.iframe );
|
|
|
|
this.invoker = invoker;
|
|
this.editor = editor;
|
|
this.title_field = createDOM( "input", { "class": "text_field", "size": "30", "maxlength": "256" } );
|
|
this.note_preview = createDOM( "span", {} );
|
|
this.previous_title = "";
|
|
|
|
var self = this;
|
|
connect( this.title_field, "onclick", function ( event ) { self.title_field_clicked( event ); } );
|
|
connect( this.title_field, "onfocus", function ( event ) { self.title_field_focused( event ); } );
|
|
connect( this.title_field, "onchange", function ( event ) { self.title_field_changed( event ); } );
|
|
connect( this.title_field, "onblur", function ( event ) { self.title_field_changed( event ); } );
|
|
connect( this.title_field, "onkeydown", function ( event ) { self.title_field_key_pressed( event ); } );
|
|
|
|
appendChildNodes( this.div, createDOM( "span", { "class": "field_label" }, "links to: " ) );
|
|
appendChildNodes( this.div, this.title_field );
|
|
appendChildNodes( this.div, this.note_preview );
|
|
|
|
// links with targets are considered links to external sites
|
|
if ( link.target ) {
|
|
this.title_field.value = link.href;
|
|
replaceChildNodes( this.note_preview, "web link" );
|
|
return;
|
|
}
|
|
|
|
var query = parse_query( link );
|
|
var title = link_title( link, query );
|
|
var id = query.note_id;
|
|
|
|
// if the note has no destination note id set, try loading the note from the server by title
|
|
if ( ( id == undefined || id == "new" || id == "null" ) && title.length > 0 ) {
|
|
if ( title == "all notes" ) {
|
|
this.title_field.value = title;
|
|
this.display_preview( title, "list of all notes in this notebook" );
|
|
return;
|
|
}
|
|
|
|
if ( title == "search results" ) {
|
|
this.title_field.value = title;
|
|
this.display_preview( title, "current search results" );
|
|
return;
|
|
}
|
|
|
|
this.invoker.invoke(
|
|
"/notebooks/load_note_by_title", "GET", {
|
|
"notebook_id": this.notebook_id,
|
|
"note_title": title
|
|
},
|
|
function ( result ) {
|
|
if ( result.note ) {
|
|
self.title_field.value = result.note.title;
|
|
self.display_preview( result.note.title, result.note.contents );
|
|
} else {
|
|
self.title_field.value = title;
|
|
replaceChildNodes( self.note_preview, "empty note" );
|
|
}
|
|
}
|
|
);
|
|
return;
|
|
}
|
|
|
|
// if this link has an actual destination note id set, then see if that note is already open. if
|
|
// so, display its title and a preview of its contents
|
|
var iframe = getElement( "note_" + id );
|
|
if ( iframe ) {
|
|
this.title_field.value = iframe.editor.title;
|
|
this.display_preview( iframe.editor.title, iframe.editor.document );
|
|
return;
|
|
}
|
|
|
|
// otherwise, load the destination note from the server, displaying its title and a preview of
|
|
// its contents
|
|
this.invoker.invoke(
|
|
"/notebooks/load_note", "GET", {
|
|
"notebook_id": this.notebook_id,
|
|
"note_id": id
|
|
},
|
|
function ( result ) {
|
|
if ( result.note ) {
|
|
self.title_field.value = result.note.title;
|
|
self.display_preview( result.note.title, result.note.contents );
|
|
} else {
|
|
self.title_field.value = title;
|
|
replaceChildNodes( self.note_preview, "empty note" );
|
|
}
|
|
}
|
|
);
|
|
}
|
|
|
|
Link_pulldown.prototype = new function () { this.prototype = Pulldown.prototype; };
|
|
Link_pulldown.prototype.constructor = Link_pulldown;
|
|
|
|
Link_pulldown.prototype.display_preview = function ( title, contents ) {
|
|
if ( !contents ) {
|
|
replaceChildNodes( this.note_preview, "empty note" );
|
|
return;
|
|
}
|
|
|
|
// if contents is a DOM node, just scrape its text
|
|
if ( contents.nodeType ) {
|
|
contents = strip( scrapeText( contents ) );
|
|
// otherwise, assume contents is a string, so put it into a DOM node and then scrape its contents
|
|
} else {
|
|
var contents_node = createDOM( "span", {} );
|
|
contents_node.innerHTML = contents;
|
|
contents = strip( scrapeText( contents_node ) );
|
|
}
|
|
|
|
// remove the title from the scraped contents text
|
|
if ( contents.indexOf( title ) == 0 )
|
|
contents = contents.substr( title.length );
|
|
|
|
if ( contents.length == 0 ) {
|
|
replaceChildNodes( this.note_preview, "empty note" );
|
|
} else {
|
|
var max_preview_length = 40;
|
|
var preview = contents.substr( 0, max_preview_length ) + ( ( contents.length > max_preview_length ) ? "..." : "" );
|
|
replaceChildNodes( this.note_preview, preview );
|
|
}
|
|
}
|
|
|
|
Link_pulldown.prototype.title_field_clicked = function ( event ) {
|
|
event.stop();
|
|
}
|
|
|
|
Link_pulldown.prototype.title_field_focused = function ( event ) {
|
|
this.title_field.select();
|
|
}
|
|
|
|
Link_pulldown.prototype.title_field_changed = function ( event ) {
|
|
// if the title is actually unchanged, then bail
|
|
if ( this.title_field.value == this.previous_title )
|
|
return;
|
|
|
|
replaceChildNodes( this.note_preview, "" );
|
|
var title = strip( this.title_field.value );
|
|
this.previous_title = title;
|
|
|
|
var self = this;
|
|
this.wiki.resolve_link( title, this.link, function ( contents ) {
|
|
self.display_preview( title, contents );
|
|
} );
|
|
}
|
|
|
|
Link_pulldown.prototype.title_field_key_pressed = function ( event ) {
|
|
// if enter is pressed, consider the title field altered. this is necessary because IE neglects
|
|
// to issue an onchange event when enter is pressed in an input field
|
|
if ( event.key().code == 13 ) {
|
|
this.title_field_changed();
|
|
event.stop();
|
|
}
|
|
}
|
|
|
|
Link_pulldown.prototype.update_position = function ( anchor, relative_to ) {
|
|
Pulldown.prototype.update_position.call( this, anchor, relative_to );
|
|
}
|
|
|
|
Link_pulldown.prototype.shutdown = function () {
|
|
Pulldown.prototype.shutdown.call( this );
|
|
|
|
disconnectAll( this.title_field );
|
|
if ( this.link )
|
|
this.link.pulldown = null;
|
|
}
|