@qooxdoo/framework
Version:
The JS Framework for Coders
182 lines (150 loc) • 4.52 kB
JavaScript
/* ************************************************************************
qooxdoo - the new era of web development
http://qooxdoo.org
Copyright:
2006 STZ-IDA, Germany, http://www.stz-ida.de
License:
MIT: https://opensource.org/licenses/MIT
See the LICENSE file in the project's top-level directory for details.
Authors:
* Til Schneider (til132)
* Carsten Lergenmueller (carstenl)
************************************************************************ */
/**
* A data cell renderer for boolean values.
*/
qx.Class.define("qx.ui.table.cellrenderer.Boolean", {
extend: qx.ui.table.cellrenderer.AbstractImage,
/*
*****************************************************************************
CONSTRUCTOR
*****************************************************************************
*/
construct() {
super();
this.__aliasManager = qx.util.AliasManager.getInstance();
this.initIconTrue();
this.initIconFalse();
// dynamic theme switch
if (qx.core.Environment.get("qx.dyntheme")) {
this.__changeThemeBoolCellRendererListenerId = qx.theme.manager.Meta.getInstance().addListener(
"changeTheme",
this._onChangeTheme,
this
);
}
},
/*
*****************************************************************************
PROPERTIES
*****************************************************************************
*/
properties: {
/**
* The icon used to indicate the true state
*/
iconTrue: {
check: "String",
init: "decoration/table/boolean-true.png",
apply: "_applyIconTrue"
},
/**
* The icon used to indicate the false state
*/
iconFalse: {
check: "String",
init: "decoration/table/boolean-false.png",
apply: "_applyIconFalse"
}
},
/*
*****************************************************************************
MEMBERS
*****************************************************************************
*/
members: {
__iconUrlTrue: null,
__iconUrlFalse: false,
__aliasManager: null,
/**
* Handler for theme changes.
* @signature function()
*/
_onChangeTheme: qx.core.Environment.select("qx.dyntheme", {
true() {
this._applyIconTrue(this.getIconTrue());
this._applyIconFalse(this.getIconFalse());
},
false: null
}),
// property apply
_applyIconTrue(value) {
this.__iconUrlTrue = this.__aliasManager.resolve(value);
},
// property apply
_applyIconFalse(value) {
this.__iconUrlFalse = this.__aliasManager.resolve(value);
},
// overridden
_identifyImage(cellInfo) {
var w;
var h;
var rm;
var id;
var ids;
var imageHints;
// Retrieve the ID
rm = qx.util.ResourceManager.getInstance();
if (rm.has(this.__iconUrlTrue)) {
id = this.__iconUrlTrue;
} else {
ids = rm.getIds(this.__iconUrlTrue);
// If ID was found, we'll use its first (likely only) element here.
if (ids) {
id = ids[0];
}
}
if (id) {
// Get the natural size of the image
w = rm.getImageWidth(id);
h = rm.getImageHeight(id);
}
// Create the size portion of the hint.
//
// The traditional (fixed) size of the image was 11x11px. Use that if we
// weren't able to retrieve the actual size of the image, and never
// exceed that size.
imageHints = {
imageWidth: w ? Math.min(w, 11) : 11,
imageHeight: h ? Math.min(h, 11) : 11
};
// Add the URL portion of the hint
switch (cellInfo.value) {
case true:
imageHints.url = this.__iconUrlTrue;
break;
case false:
imageHints.url = this.__iconUrlFalse;
break;
default:
imageHints.url = null;
break;
}
return imageHints;
}
},
/*
*****************************************************************************
DESTRUCTOR
*****************************************************************************
*/
destruct() {
this.__aliasManager = null;
// remove dynamic theme listener
if (qx.core.Environment.get("qx.dyntheme") && this.__changeThemeBoolCellRendererListenerId) {
qx.theme.manager.Meta.getInstance().removeListenerById(
this.__changeThemeBoolCellRendererListenerId
);
}
}
});