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Viewing changes to static/scripts/GeoExt/lib/GeoExt/widgets/tree/BaseLayerContainer.js

  • Committer: Zack
  • Date: 2011-02-28 21:37:27 UTC
  • Revision ID: zack@zack-laptop-20110228213727-tqig2kgx9vz0uhq9
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static/scripts/GeoExt/lib/GeoExt/widgets/tree/BaseLayerContainer.js
 
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/**
 
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 * Copyright (c) 2008-2011 The Open Source Geospatial Foundation
 
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 * 
 
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 * Published under the BSD license.
 
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 * See http://svn.geoext.org/core/trunk/geoext/license.txt for the full text
 
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 * of the license.
 
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 */
 
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/**
 
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 * @requires GeoExt/widgets/tree/LayerContainer.js
 
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 */
 
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Ext.namespace("GeoExt.tree");
 
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/** api: (define)
 
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 *  module = GeoExt.tree
 
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 *  class = BaseLayerContainer
 
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 */
 
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/** api: (extends)
 
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 * GeoExt/widgets/tree/LayerContainer.js
 
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 */
 
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/** api: constructor
 
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 *  .. class:: BaseLayerContainer
 
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 * 
 
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 *     A layer container that will collect all base layers of an OpenLayers
 
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 *     map. Only layers that have displayInLayerSwitcher set to true will be
 
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 *     included. The childrens' iconCls defaults to
 
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 *     "gx-tree-baselayer-icon" and this node' text defaults to
 
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 *     "Base Layer".
 
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 *     
 
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 *     Children will be rendered with a radio button instead of a checkbox,
 
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 *     showing the user that only one base layer can be active at a time.
 
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 * 
 
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 *     To use this node type in ``TreePanel`` config, set nodeType to
 
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 *     "gx_baselayercontainer".
 
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 */
 
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GeoExt.tree.BaseLayerContainer = Ext.extend(GeoExt.tree.LayerContainer, {
 
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    /** private: property[text]
 
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     *  ``String`` The text for this node.
 
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     */
 
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    text: 'Base Layer',
 
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    /** private: method[constructor]
 
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     *  Private constructor override.
 
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     */
 
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    constructor: function(config) {
 
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        config = Ext.applyIf(config || {}, {
 
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            text: this.text,
 
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            loader: {}
 
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        });
 
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        config.loader = Ext.applyIf(config.loader, {
 
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            baseAttrs: Ext.applyIf(config.loader.baseAttrs || {}, {
 
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                iconCls: 'gx-tree-baselayer-icon',
 
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                checkedGroup: 'baselayer'
 
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            }),
 
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            filter: function(record) {
 
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                var layer = record.getLayer();
 
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                return layer.displayInLayerSwitcher === true &&
 
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                    layer.isBaseLayer === true;
 
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            }
 
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        });
 
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        GeoExt.tree.BaseLayerContainer.superclass.constructor.call(this,
 
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            config);
 
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    }
 
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});
 
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/**
 
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 * NodeType: gx_baselayercontainer
 
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 */
 
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Ext.tree.TreePanel.nodeTypes.gx_baselayercontainer = GeoExt.tree.BaseLayerContainer;