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Overhauled display of search results. Now displaying a "magic" search results 

note containing a list of search results along with previews of the display
notes.
This commit is contained in:
Dan Helfman 2007-09-10 20:04:46 +00:00
parent 67c43cbef0
commit 060b0b6845
1 changed files with 76 additions and 20 deletions
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96
static/js/Wiki.js
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@ -8,6 +8,7 @@ function Wiki( invoker ) {
this.read_write = false;
this.startup_notes = new Array(); // map of startup notes: note id to bool
this.open_editors = new Array(); // map of open notes: note title to editor
this.search_results_editor = null; // editor for display of search results
this.invoker = invoker;
this.search_titles_only = true;
@ -286,7 +287,7 @@ Wiki.prototype.load_editor = function ( note_title, note_id, revision, link ) {
// if there's not a valid destination note id, then load by title instead of by id
var self = this;
if ( pulldown_title || note_id == undefined || note_id == "new" || note_id == "null" ) {
// if the note_title corresponds to a "magic" note's title, then dynamically create the note
// if the note_title corresponds to a "magic" note's title, then dynamically highlight or create the note
if ( note_title == "all notes" ) {
var editor = this.open_editors[ note_title ];
if ( editor ) {
@ -300,6 +301,16 @@ Wiki.prototype.load_editor = function ( note_title, note_id, revision, link ) {
);
return;
}
if ( note_title == "search results" ) {
var editor = this.open_editors[ note_title ];
if ( editor ) {
editor.highlight();
return;
}
this.display_search_results();
return;
}
// but if the note corresponding to the link's title is already open, highlight it and bail
if ( !revision ) {
@ -343,12 +354,17 @@ Wiki.prototype.resolve_link = function ( note_title, link, callback ) {
}
link.removeAttribute( "target" );
if ( note_title == "all notes" ) {
if ( note_title == "all notes" || note_title == "search results" ) {
link.href = "/notebooks/" + this.notebook_id + "?" + queryString(
[ "title", "note_id" ],
[ note_title, "null" ]
);
if ( callback ) callback( "list of all notes in this notebook" );
if ( callback ) {
if ( note_title == "all notes" )
callback( "list of all notes in this notebook" );
else
callback( "current search results" );
}
return;
}
@ -809,7 +825,7 @@ Wiki.prototype.search = function ( event ) {
"notebook_id": this.notebook_id,
"titles_only": this.search_titles_only
},
function( result ) { self.display_loaded_notes( result ); },
function( result ) { self.display_search_results( result ); },
"search_form"
);
@ -828,33 +844,67 @@ Wiki.prototype.toggle_search_options = function ( event ) {
event.stop();
}
Wiki.prototype.display_loaded_notes = function ( result ) {
// TODO: somehow highlight the search term within the search results?
// before displaying the search results, save the current focused editor
this.save_editor();
Wiki.prototype.display_search_results = function ( result ) {
// if there are no search results, indicate that and bail
if ( result.notes.length == 0 ) {
if ( !result || result.notes.length == 0 ) {
this.display_error( "No matching notes." );
return;
}
// create an editor for each note search result, focusing the first one
var focus = true;
for ( var i in result.notes ) {
var note = result.notes[ i ]
// TODO: highlight the search term within the search results, idealy showing
// a section of the note contents including the search term
// if the editor is already open, just skip it
// 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( focus );
focus = false;
continue;
iframe.editor.highlight();
return;
}
this.create_editor( note.object_id, note.contents, note.deleted_from, note.revisions_list, undefined, this.read_write, focus, focus );
focus = false;
// otherwise, create an editor for the one note
this.create_editor( note.object_id, note.contents, note.deleted_from, note.revisions_list, undefined, this.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, undefined, false, true, true );
}
Wiki.prototype.display_all_notes_list = function ( result ) {
@ -1218,6 +1268,12 @@ function Link_pulldown( wiki, notebook_id, invoker, editor, link ) {
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,