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/* ************************************************************************
qooxdoo - the new era of web development
http://qooxdoo.org
Copyright:
2004-2006 by 1&1 Internet AG, Germany, http://www.1and1.org
License:
LGPL 2.1: http://www.gnu.org/licenses/lgpl.html
Authors:
* Sebastian Werner (wpbasti)
* Andreas Ecker (ecker)
************************************************************************ */
/* ************************************************************************
#module(ui_core)
#optional(qx.ui.form.Button)
************************************************************************ */
/*!
This singleton manage the global image path (prefix) and allowes themed icons.
*/
qx.OO.defineClass("qx.manager.object.ImageManager", qx.manager.object.ObjectManager,
function()
{
qx.manager.object.ObjectManager.call(this);
// Themes
this._iconThemes = {};
this._widgetThemes = {};
// Contains known image sources (all of them, if loaded or not)
// The value is a number which represents the number of image
// instances which use this source
this._sources = {};
// Change event connection to AliasManager
qx.manager.object.AliasManager.getInstance().addEventListener("change", this._onaliaschange, this);
});
/*
---------------------------------------------------------------------------
DEFAULT SETTINGS
---------------------------------------------------------------------------
*/
qx.Settings.setDefault("iconTheme", "qx.theme.icon.CrystalSvg");
qx.Settings.setDefault("widgetTheme", "qx.theme.widget.Windows");
/*
---------------------------------------------------------------------------
PROPERTIES
---------------------------------------------------------------------------
*/
qx.OO.addProperty({ name : "iconTheme", type : "object", instance : "qx.renderer.theme.IconTheme" });
qx.OO.addProperty({ name : "widgetTheme", type : "object", instance : "qx.renderer.theme.WidgetTheme" });
/*
---------------------------------------------------------------------------
REGISTRATION
---------------------------------------------------------------------------
*/
qx.Proto.registerIconTheme = function(vThemeClass)
{
this._iconThemes[vThemeClass.classname] = vThemeClass;
if (vThemeClass.classname == this.getSetting("iconTheme")) {
this.setIconTheme(vThemeClass.getInstance());
}
}
qx.Proto.registerWidgetTheme = function(vThemeClass)
{
this._widgetThemes[vThemeClass.classname] = vThemeClass;
if (vThemeClass.classname == this.getSetting("widgetTheme")) {
this.setWidgetTheme(vThemeClass.getInstance());
}
}
qx.Proto.setIconThemeById = function(vId) {
this.setIconTheme(this._iconThemes[vId].getInstance());
}
qx.Proto.setWidgetThemeById = function(vId) {
this.setWidgetTheme(this._widgetThemes[vId].getInstance());
}
/*
---------------------------------------------------------------------------
EVENTS
---------------------------------------------------------------------------
*/
qx.Proto._onaliaschange = function() {
this._updateImages();
}
/*
---------------------------------------------------------------------------
MODIFIERS
---------------------------------------------------------------------------
*/
qx.Proto._modifyIconTheme = function(propValue, propOldValue, propData)
{
propValue ? qx.manager.object.AliasManager.getInstance().add("icon", propValue.getSetting("imageUri")) : qx.manager.object.AliasManager.getInstance().remove("icon");
return true;
}
qx.Proto._modifyWidgetTheme = function(propValue, propOldValue, propData)
{
propValue ? qx.manager.object.AliasManager.getInstance().add("widget", propValue.getSetting("imageUri")) : qx.manager.object.AliasManager.getInstance().remove("widget");
return true;
}
/*
---------------------------------------------------------------------------
PRELOAD API
---------------------------------------------------------------------------
*/
qx.Proto.getPreloadImageList = function()
{
var vPreload = {};
for (var vSource in this._sources)
{
if (this._sources[vSource]) {
vPreload[vSource] = true;
}
}
return vPreload;
}
qx.Proto.getPostPreloadImageList = function()
{
var vPreload = {};
for (var vSource in this._sources)
{
if (!this._sources[vSource]) {
vPreload[vSource] = true;
}
}
return vPreload;
}
/*
---------------------------------------------------------------------------
INTERNAL HELPER
---------------------------------------------------------------------------
*/
qx.Proto._updateImages = function()
{
var vAll = this.getAll();
var vPreMgr = qx.manager.object.ImagePreloaderManager.getInstance();
var vAliasMgr = qx.manager.object.AliasManager.getInstance();
var vObject;
// Recreate preloader of affected images
for (var vHashCode in vAll)
{
vObject = vAll[vHashCode];
vObject.setPreloader(vPreMgr.create(vAliasMgr.resolvePath(vObject.getSource(), true)));
}
return true;
}
/*
---------------------------------------------------------------------------
UTILITY
---------------------------------------------------------------------------
*/
// TODO: rename to createIconThemeList
qx.Proto.createThemeList = function(vParent, xCor, yCor)
{
var vButton;
var vThemes = this._iconThemes;
var vIcon = "icon/16/icons.png";
var vPrefix = "Icon Theme: ";
var vEvent = "execute";
for (var vId in vThemes)
{
var vObj = vThemes[vId].getInstance();
var vButton = new qx.ui.form.Button(vPrefix + vObj.getTitle(), vIcon);
vButton.setLocation(xCor, yCor);
vButton.addEventListener(vEvent, new Function("qx.manager.object.ImageManager.getInstance().setIconThemeById('" + vId + "')"));
vParent.add(vButton);
yCor += 30;
}
}
qx.Proto.preload = function(vPath) {
qx.manager.object.ImagePreloaderManager.getInstance().create(qx.manager.object.AliasManager.getInstance().resolvePath(vPath));
}
/*
---------------------------------------------------------------------------
DISPOSER
---------------------------------------------------------------------------
*/
qx.Proto.dispose = function()
{
if (this.getDisposed()) {
return;
}
// Change event connection to AliasManager
qx.manager.object.AliasManager.getInstance().removeEventListener("change", this._onaliaschange, this);
// Delete counter field
this._sources = null;
// Themes
this._iconThemes = null;
this._widgetThemes = null;
return qx.manager.object.ObjectManager.prototype.dispose.call(this);
}
/*
---------------------------------------------------------------------------
DEFER SINGLETON INSTANCE
---------------------------------------------------------------------------
*/
/**
* Singleton Instance Getter
*/
qx.Class.getInstance = qx.util.Return.returnInstance;
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