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New saveState option to restore the active state of controls in a panel after re-activating the panel. r=crschmidt,jorix (closes #2753)

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@10679 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
ahocevar
2010-08-23 12:09:42 +00:00
parent a6319b2974
commit ce0ba0b570
2 changed files with 85 additions and 6 deletions
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38
lib/OpenLayers/Control/Panel.js
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@@ -32,9 +32,25 @@ OpenLayers.Control.Panel = OpenLayers.Class(OpenLayers.Control, {
* APIProperty: defaultControl
* {<OpenLayers.Control>} The control which is activated when the control is
* activated (turned on), which also happens at instantiation.
* If <saveState> is true, <defaultControl> will be nullified after the
* first activation of the panel.
*/
defaultControl: null,
/**
* APIProperty: saveState
* {Boolean} If set to true, the active state of this panel's controls will
* be stored on panel deactivation, and restored on reactivation. Default
* is false.
*/
saveState: false,
/**
* Property: activeState
* {Object} stores the active state of this panel's controls.
*/
activeState: null,
/**
* Constructor: OpenLayers.Control.Panel
* Create a new control panel.
@@ -71,6 +87,7 @@ OpenLayers.Control.Panel = OpenLayers.Class(OpenLayers.Control, {
initialize: function(options) {
OpenLayers.Control.prototype.initialize.apply(this, [options]);
this.controls = [];
this.activeState = {};
},
/**
@@ -88,7 +105,8 @@ OpenLayers.Control.Panel = OpenLayers.Class(OpenLayers.Control, {
}
OpenLayers.Event.stopObservingElement(this.controls[i].panel_div);
this.controls[i].panel_div = null;
}
}
this.activeState = null;
},
/**
@@ -96,11 +114,17 @@ OpenLayers.Control.Panel = OpenLayers.Class(OpenLayers.Control, {
*/
activate: function() {
if (OpenLayers.Control.prototype.activate.apply(this, arguments)) {
for(var i=0, len=this.controls.length; i<len; i++) {
if (this.controls[i] == this.defaultControl) {
this.controls[i].activate();
var control;
for (var i=0, len=this.controls.length; i<len; i++) {
control = this.controls[i];
if (control === this.defaultControl ||
(this.saveState && this.activeState[control.id])) {
control.activate();
}
}
if (this.saveState === true) {
this.defaultControl = null;
}
this.redraw();
return true;
} else {
@@ -113,8 +137,10 @@ OpenLayers.Control.Panel = OpenLayers.Class(OpenLayers.Control, {
*/
deactivate: function() {
if (OpenLayers.Control.prototype.deactivate.apply(this, arguments)) {
for(var i=0, len=this.controls.length; i<len; i++) {
this.controls[i].deactivate();
var control;
for (var i=0, len=this.controls.length; i<len; i++) {
control = this.controls[i];
this.activeState[control.id] = control.deactivate();
}
return true;
} else {