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source: trunk/workshop-routing-foss4g/web/GeoExt/docs/_sources/lib/GeoExt/widgets/tree/LayerNode.txt @ 76

Revision 76, 2.7 KB checked in by djay, 11 years ago (diff)

Ajout du répertoire web

  • Property svn:executable set to *
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1
2.. currentmodule:: GeoExt.tree
3
4:class:`GeoExt.tree.LayerNode`
5================================================================================
6
7
8.. cssclass:: meta
9
10
11Extends
12    * `Ext.tree.TreeNode <http://dev.sencha.com/deploy/dev/docs/?class=Ext.tree.TreeNode>`_
13   
14
15
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17
18
19
20.. class:: LayerNode(config)
21
22    A subclass of ``Ext.tree.TreeNode`` that is connected to an
23    ``OpenLayers.Layer`` by setting the node's layer property. Checking or
24    unchecking the checkbox of this node will directly affect the layer and
25    vice versa. The default iconCls for this node's icon is
26    "gx-tree-layer-icon", unless it has children.
27
28    Setting the node's layer property to a layer name instead of an object
29    will also work. As soon as a layer is found, it will be stored as layer
30    property in the attributes hash.
31
32    The node's text property defaults to the layer name.
33
34    If the node has a checkedGroup attribute configured, it will be
35    rendered with a radio button instead of the checkbox. The value of
36    the checkedGroup attribute is a string, identifying the options group
37    for the node.
38
39    To use this node type in a ``TreePanel`` config, set ``nodeType`` to
40    "gx_layer".
41
42
43   
44
45
46Config Options
47--------------
48
49Configuration properties in addition to
50those listed for `Ext.tree.TreeNode <http://dev.sencha.com/deploy/dev/docs/?class=Ext.tree.TreeNode>`_.
51
52
53.. describe:: layer
54
55    ``OpenLayers.Layer or String``
56    The layer that this layer node will
57    be bound to, or the name of the layer (has to match the layer's
58    name property). If a layer name is provided, ``layerStore`` also has
59    to be provided.
60
61.. describe:: layerStore
62
63    :class:`GeoExt.data.LayerStore` ``or "auto"``
64    The layer store containing the layer that this node represents.  If set
65    to "auto", the node will query the ComponentManager for a
66    :class:`GeoExt.MapPanel`, take the first one it finds and take its layer
67    store. This property is only required if ``layer`` is provided as a
68    string.
69
70.. describe:: loader
71
72    ``Ext.tree.TreeLoader|Object`` If provided, subnodes will be added to
73    this LayerNode. Obviously, only loaders that process an
74    ``OpenLayers.Layer`` or :class:`GeoExt.data.LayerRecord` (like
75    :class:`GeoExt.tree.LayerParamsLoader`) will actually generate child
76    nodes here. If provided as ``Object``, a
77    :class:`GeoExt.tree.LayerParamLoader` instance will be created, with
78    the provided object as configuration.
79
80
81
82
83Public Properties
84-----------------
85
86Public properties in addition to those
87listed for `Ext.tree.TreeNode <http://dev.sencha.com/deploy/dev/docs/?class=Ext.tree.TreeNode>`_.
88
89
90.. attribute:: LayerNode.layer
91
92    ``OpenLayers.Layer``
93    The layer this node is bound to.
94
95
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