ashatora/openlayers
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break out post-rendering into seperate function to be defined in page. This

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removes the tie between the LayerSwitcher and Ext that I had in my first
commit. 


git-svn-id: http://svn.openlayers.org/trunk/openlayers@7381 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
crschmidt
2008-06-19 18:44:25 +00:00
parent 9724b0a214
commit b78e26e9f0
2 changed files with 51 additions and 9 deletions
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34
examples/controls.html
View File

@@ -4,15 +4,47 @@
<link rel="stylesheet" href="../theme/default/style.css" type="text/css" />
<link rel="stylesheet" href="style.css" type="text/css" />
<link rel="stylesheet" type="text/css" href="http://www.extjs.com/deploy/dev//resources/css/ext-all.css">
<script src="http://www.google-analytics.com/urchin.js" type="text/javascript"> </script><script type="text/javascript">_uacct = "UA-1396058-1";urchinTracker();</script>
<link rel="stylesheet" type="text/css" href="http://www.extjs.com/deploy/dev//resources/css/xtheme-default.css" /><!-- LIBS -->
<script type="text/javascript" src="http://www.extjs.com/deploy/dev//adapter/ext/ext-base.js"></script>
<!-- ENDLIBS -->
<script type="text/javascript" src="http://www.extjs.com/deploy/dev//ext-all.js"></script>
<!-- Common Styles for the examples -->
<link rel="stylesheet" type="text/css" href="../shared/examples.css">
<script src="../lib/OpenLayers.js"></script>
<script type="text/javascript">
var map;
function layerRenderAdditional(layerDiv, layer) {
var sliderDiv = document.createElement("div");
sliderDiv.className = "olControlLayerSwitcherLayerDivSlider";
layerDiv.appendChild(sliderDiv);
sliderDiv.style.height="20px";
var sliderValue = layer.opacity == null ? 100 : layer.opacity * 100;
var slider = new Ext.Slider({renderTo: sliderDiv, width: 100, minValue: 0, maxValue: 100, animate: false});
slider.on("change", function(slider, newValue) {
this.layer.setOpacity(newValue/100);
}, {layer: layer, control: this});
slider.on("dragstart", function(slider, e) {
this.control.isMouseDown = false;
}, {control: this});
if (this.maximizeDiv.style.display != "none") {
this.maximizeControl();
slider.setValue(sliderValue);
this.minimizeControl();
} else {
slider.setValue(sliderValue);
}
}
function init(){
map = new OpenLayers.Map('map', {
controls: [
new OpenLayers.Control.PanZoomBar(),
new OpenLayers.Control.MouseToolbar(),
new OpenLayers.Control.LayerSwitcher({'ascending':false}),
new OpenLayers.Control.LayerSwitcher({'ascending':false, layerRenderAdditional: layerRenderAdditional}),
new OpenLayers.Control.Permalink(),
new OpenLayers.Control.ScaleLine(),
new OpenLayers.Control.Permalink('permalink'),

26
lib/OpenLayers/Control/LayerSwitcher.js
View File

@@ -254,6 +254,7 @@ OpenLayers.Control.LayerSwitcher =
};
}
this.layerDivList = [];
var layers = this.map.layers.slice();
if (!this.ascending) { layers.reverse(); }
for( var i = 0; i < layers.length; i++) {
@@ -273,6 +274,10 @@ OpenLayers.Control.LayerSwitcher =
var checked = (baseLayer) ? (layer == this.map.baseLayer)
: layer.getVisibility();
var layerDiv = document.createElement("div");
layerDiv.id = this.id+"_layerDiv_"+layer.id;
layerDiv.className = "olControlLayerSwitcherLayerDiv";
// create input element
var inputElem = document.createElement("input");
inputElem.id = "input_" + layer.name;
@@ -307,9 +312,6 @@ OpenLayers.Control.LayerSwitcher =
OpenLayers.Function.bindAsEventListener(this.onInputClick,
context)
);
// create line break
var br = document.createElement("br");
var groupArray = (baseLayer) ? this.baseLayers
: this.dataLayers;
@@ -319,12 +321,16 @@ OpenLayers.Control.LayerSwitcher =
'labelSpan': labelSpan
});
var groupDiv = (baseLayer) ? this.baseLayersDiv
: this.dataLayersDiv;
groupDiv.appendChild(inputElem);
groupDiv.appendChild(labelSpan);
groupDiv.appendChild(br);
layerDiv.appendChild(inputElem);
layerDiv.appendChild(labelSpan);
this.layerDivList.push(layerDiv);
groupDiv.appendChild(layerDiv);
this.layerRenderAdditional(layerDiv, layer);
}
}
@@ -334,9 +340,13 @@ OpenLayers.Control.LayerSwitcher =
// if no baselayers, dont display the baselayer label
this.baseLbl.style.display = (containsBaseLayers) ? "" : "none";
return this.div;
},
layerRenderAdditional: function(layerDiv, layer) {
},
/**
* Method:
* A label has been clicked, check or uncheck its corresponding input