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Factored out some Suggest_pulldown up/down/ handler stuff to separate functions.

This commit is contained in:
Dan Helfman 2008-06-29 13:53:49 -07:00
parent 3951d147b3
commit 7e9a5171f3
1 changed files with 28 additions and 24 deletions
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52
static/js/Wiki.js
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@ -3443,37 +3443,16 @@ Suggest_pulldown.prototype.key_pressed = function ( event ) {
return;
var code = event.key().code;
var selected = getFirstElementByTagAndClassName( "div", "selected_suggestion", this.div );
// up arrow or shift-tab: move up to the previous suggestion
if ( code == 38 || ( code == 9 && event.modifier().shift ) ) {
var selected = getFirstElementByTagAndClassName( "div", "selected_suggestion", this.div );
// if something is selected and there's a previous suggestion in the list, move the selection up
if ( selected && selected.previousSibling ) {
removeElementClass( selected, "selected_suggestion" );
addElementClass( selected.previousSibling, "selected_suggestion" );
// otherwise, hide the Suggest_pulldown
} else {
addElementClass( this.div, "invisible" );
}
this.previous_suggestion( selected );
// down arrow or tab: move down to the previous suggestion
} else if ( code == 40 || code == 9 ) {
var selected = getFirstElementByTagAndClassName( "div", "selected_suggestion", this.div );
// if something is selected and there's a next suggestion in the list, move the selection down
if ( selected ) {
if ( selected.nextSibling ) {
removeElementClass( selected, "selected_suggestion" );
addElementClass( selected.nextSibling, "selected_suggestion" );
}
// if nothing is selected yet, then just select the first link
} else {
var suggest_link = getFirstElementByTagAndClassName( "a", "pulldown_link", this.div );
addElementClass( suggest_link.parentNode, "selected_suggestion" );
}
this.next_suggestion( selected );
// enter: select current suggestion
} else if ( code == 13 ) {
var selected = getFirstElementByTagAndClassName( "div", "selected_suggestion", this.div );
var suggest_link = getFirstElementByTagAndClassName( "a", "pulldown_link", selected );
if ( selected )
@ -3489,6 +3468,31 @@ Suggest_pulldown.prototype.key_pressed = function ( event ) {
event.stop();
}
Suggest_pulldown.prototype.previous_suggestion = function ( selected ) {
// if something is selected and there's a previous suggestion in the list, move the selection up
if ( selected && selected.previousSibling ) {
removeElementClass( selected, "selected_suggestion" );
addElementClass( selected.previousSibling, "selected_suggestion" );
// otherwise, hide the Suggest_pulldown
} else {
addElementClass( this.div, "invisible" );
}
}
Suggest_pulldown.prototype.next_suggestion = function ( selected ) {
// if something is selected and there's a next suggestion in the list, move the selection down
if ( selected ) {
if ( selected.nextSibling ) {
removeElementClass( selected, "selected_suggestion" );
addElementClass( selected.nextSibling, "selected_suggestion" );
}
// if nothing is selected yet, then just select the first link
} else {
var suggest_link = getFirstElementByTagAndClassName( "a", "pulldown_link", this.div );
addElementClass( suggest_link.parentNode, "selected_suggestion" );
}
}
Suggest_pulldown.prototype.update_position = function ( anchor, relative_to ) {
Pulldown.prototype.update_position.call( this, anchor, relative_to );
}