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change Panel to avoid redrawing every control on every activate/deactivate, p=jorix, r=me (closes #2906)

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@11874 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Éric Lemoine
2011-04-05 06:35:49 +00:00
parent 8337674791
commit 6e3af67dab
2 changed files with 73 additions and 42 deletions
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49
lib/OpenLayers/Control/Panel.js
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@@ -96,16 +96,16 @@ OpenLayers.Control.Panel = OpenLayers.Class(OpenLayers.Control, {
*/
destroy: function() {
OpenLayers.Control.prototype.destroy.apply(this, arguments);
for(var i = this.controls.length - 1 ; i >= 0; i--) {
if(this.controls[i].events) {
this.controls[i].events.un({
"activate": this.redraw,
"deactivate": this.redraw,
scope: this
for (var ctl, i = this.controls.length - 1; i >= 0; i--) {
ctl = this.controls[i];
if (ctl.events) {
ctl.events.un({
activate: this.iconOn,
deactivate: this.iconOff
});
}
OpenLayers.Event.stopObservingElement(this.controls[i].panel_div);
this.controls[i].panel_div = null;
OpenLayers.Event.stopObservingElement(ctl.panel_div);
ctl.panel_div = null;
}
this.activeState = null;
},
@@ -172,13 +172,7 @@ OpenLayers.Control.Panel = OpenLayers.Class(OpenLayers.Control, {
this.div.innerHTML = "";
if (this.active) {
for (var i=0, len=this.controls.length; i<len; i++) {
var element = this.controls[i].panel_div;
if (this.controls[i].active) {
element.className = this.controls[i].displayClass + "ItemActive";
} else {
element.className = this.controls[i].displayClass + "ItemInactive";
}
this.div.appendChild(element);
this.div.appendChild(this.controls[i].panel_div);
}
}
},
@@ -195,7 +189,6 @@ OpenLayers.Control.Panel = OpenLayers.Class(OpenLayers.Control, {
if (!this.active) { return false; }
if (control.type == OpenLayers.Control.TYPE_BUTTON) {
control.trigger();
this.redraw();
return;
}
if (control.type == OpenLayers.Control.TYPE_TOGGLE) {
@@ -239,6 +232,7 @@ OpenLayers.Control.Panel = OpenLayers.Class(OpenLayers.Control, {
// since they need to pass through.
for (var i=0, len=controls.length; i<len; i++) {
var element = document.createElement("div");
element.className = controls[i].displayClass + "ItemInactive";
controls[i].panel_div = element;
if (controls[i].title != "") {
controls[i].panel_div.title = controls[i].title;
@@ -277,13 +271,30 @@ OpenLayers.Control.Panel = OpenLayers.Class(OpenLayers.Control, {
control.deactivate();
}
control.events.on({
"activate": this.redraw,
"deactivate": this.redraw,
scope: this
activate: this.iconOn,
deactivate: this.iconOff
});
}
},
/**
* Method: iconOn
* Internal use, for use only with "controls[i].events.on/un".
*/
iconOn: function() {
var d = this.panel_div; // "this" refers to a control on panel!
d.className = d.className.replace(/ItemInactive$/, "ItemActive");
},
/**
* Method: iconOff
* Internal use, for use only with "controls[i].events.on/un".
*/
iconOff: function() {
var d = this.panel_div; // "this" refers to a control on panel!
d.className = d.className.replace(/ItemActive$/, "ItemInactive");
},
/**
* Method: onClick
*/