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Bug 298993 - add FAYT (find as you type) for richlistbox for the EM, patch by Simon Bünzli <zeniko@gmail.com>, r=enndeakin

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This commit is contained in:
philringnalda@gmail.com 2007-06-30 19:16:14 -07:00
parent c2f5edda79
commit fe7cca132d
2 changed files with 65 additions and 64 deletions
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120
toolkit/content/widgets/listbox.xml
View File

@ -110,6 +110,8 @@
extends="chrome://global/content/bindings/general.xml#basecontrol">
<implementation implements="nsIDOMXULMultiSelectControlElement, nsIAccessibleProvider">
<field name="_lastKeyTime">0</field>
<field name="_incrementalString">""</field>
<!-- nsIAccessibleProvider -->
<property name="accessibleType" readonly="true">
@ -569,10 +571,60 @@
action="moveByOffset(this.scrollOnePage(1), !event.ctrlKey, event.shiftKey);"
phase="target" preventdefault="true"/>
<handler event="keypress" key=" " modifiers="control" phase="target">
<![CDATA[
if (this.currentItem && this.selType == "multiple")
this.toggleItemSelection(this.currentItem);
]]>
<![CDATA[
if (this.currentItem && this.selType == "multiple")
this.toggleItemSelection(this.currentItem);
]]>
</handler>
<handler event="focus">
<![CDATA[
if (this.currentIndex == -1 && this.getRowCount() > 0) {
this.currentIndex = this.getIndexOfFirstVisibleRow();
}
this._lastKeyTime = 0;
]]>
</handler>
<handler event="keypress" phase="target">
<![CDATA[
if (this.disableKeyNavigation || !event.charCode ||
event.altKey || event.ctrlKey || event.metaKey)
return;
if (event.timeStamp - this._lastKeyTime > 1000)
this._incrementalString = "";
var key = String.fromCharCode(event.charCode).toLowerCase();
this._incrementalString += key;
this._lastKeyTime = event.timeStamp;
// If all letters in the incremental string are the same, just
// try to match the first one
var incrementalString = /^(.)\1+$/.test(this._incrementalString) ?
RegExp.$1 : this._incrementalString;
var length = incrementalString.length;
var rowCount = this.getRowCount();
var l = this.selectedItems.length;
var start = l > 0 ? this.getIndexOfItem(this.selectedItems[l - 1]) : -1;
// start from the first element if none was selected or from the one
// following the selected one if it's a new or a repeated-letter search
if (start == -1 || length == 1)
start++;
for (var i = 0; i < rowCount; i++) {
var k = (start + i) % rowCount;
var listitem = this.getItemAtIndex(k);
// allow richlistitems to specify the string being searched for
var searchText = "searchLabel" in listitem ? listitem.searchLabel :
listitem.getAttribute("label"); // (see also bug 250123)
searchText = searchText.substring(0, length).toLowerCase();
if (searchText == incrementalString) {
this.ensureIndexIsVisible(k);
this.timedSelect(listitem, this._selectDelay);
break;
}
}
]]>
</handler>
</handlers>
</binding>
@ -602,8 +654,6 @@
</content>
<implementation>
<field name="_lastKeyTime">0</field>
<field name="_incrementalString">""</field>
<!-- ///////////////// public listbox members ///////////////// -->
@ -744,64 +794,6 @@
}
]]>
</handler>
<handler event="focus">
<![CDATA[
if (this.currentIndex == -1 && this.getRowCount() > 0) {
this.currentIndex = this.getIndexOfFirstVisibleRow();
}
this._lastKeyTime = 0;
]]>
</handler>
<handler event="keypress" phase="target">
<![CDATA[
if (!this.disableKeyNavigation && event.charCode > 0 &&
!event.altKey && !event.ctrlKey && !event.metaKey) {
var key = String.fromCharCode(event.charCode);
key = key.toLowerCase();
if (event.timeStamp - this._lastKeyTime > 1000)
this._incrementalString = key;
else
this._incrementalString += key;
this._lastKeyTime = event.timeStamp;
var length = this._incrementalString.length;
var incrementalString = this._incrementalString;
var charIndex = 1;
while (charIndex < length && incrementalString[charIndex] == incrementalString[charIndex - 1])
charIndex++;
// If all letters in incremental string are same, just try to match the first one
if (charIndex == length) {
length = 1;
incrementalString = incrementalString.substring(0, length);
}
var l = this.selectedItems.length;
var c = -1;
if (l > 0)
c = this.getIndexOfItem(this.selectedItems[l-1]);
var rowCount = this.getRowCount();
var start = 1;
if (length > 1) {
start = 0;
if (c < 0)
c = 0;
}
for (var i = 0; i < rowCount; i++) {
var k = (i + start + c) % rowCount;
var item = this.getItemAtIndex(k); //listitem
var cellText = item.getAttribute("label");
cellText = cellText.substring(0, length).toLowerCase();
if (cellText == incrementalString) {
this.ensureIndexIsVisible(k);
this.timedSelect(item, this._selectDelay);
break;
}
}
}
]]>
</handler>
</handlers>
</binding>

9
toolkit/content/widgets/richlistbox.xml
View File

@ -527,6 +527,15 @@
]]>
</getter>
</property>
<property name="searchLabel" readonly="true">
<getter>
<![CDATA[
return this.hasAttribute("searchlabel") ?
this.getAttribute("searchlabel") : this.label;
]]>
</getter>
</property>
</implementation>
<handlers>