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allow layers to prevent themselves from displaying in the layer switcher via the 'displayInLayerSwitcher' boolean option. modify example.html to show usage

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@1528 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
euzuro
2006-10-02 23:24:02 +00:00
parent 41f619b05e
commit 36a76054a4
3 changed files with 51 additions and 43 deletions
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86
lib/OpenLayers/Control/LayerSwitcher.js
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@@ -103,49 +103,51 @@ OpenLayers.Control.LayerSwitcher.prototype =
var layer = this.map.layers[i];
var baseLayer = layer.isBaseLayer;
if (!baseLayer) {
containsOverlays = true;
if (baseLayer || layer.displayInLayerSwitcher) {
if (!baseLayer) {
containsOverlays = true;
}
// only check a baselayer if it is *the* baselayer, check data
// layers if they are visible
var checked = (baseLayer) ? (layer == this.map.baseLayer)
: layer.getVisibility();
// create input element
var inputElem = document.createElement("input");
inputElem.id = "input_" + layer.name;
inputElem.name = (baseLayer) ? "baseLayers" : layer.name;
inputElem.type = (baseLayer) ? "radio" : "checkbox";
inputElem.value = layer.name;
inputElem.checked = checked;
inputElem.defaultChecked = checked;
inputElem.layer = layer;
inputElem.control = this;
Event.observe(inputElem, "mouseup",
this.onInputClick.bindAsEventListener(inputElem));
// create span
var labelSpan = document.createElement("span");
labelSpan.innerHTML = layer.name;
labelSpan.style.verticalAlign = (baseLayer) ? "bottom" : "baseline";
Event.observe(labelSpan, "click",
this.onInputClick.bindAsEventListener(inputElem));
// create line break
var br = document.createElement("br");
var groupArray = (baseLayer) ? this.baseLayerInputs
: this.dataLayerInputs;
groupArray.push(inputElem);
var groupDiv = (baseLayer) ? this.baseLayersDiv
: this.dataLayersDiv;
groupDiv.appendChild(inputElem);
groupDiv.appendChild(labelSpan);
groupDiv.appendChild(br);
}
// only check a baselayer if it is *the* baselayer, check data
// layers if they are visible
var checked = (baseLayer) ? (layer == this.map.baseLayer)
: layer.getVisibility();
// create input element
var inputElem = document.createElement("input");
inputElem.id = "input_" + layer.name;
inputElem.name = (baseLayer) ? "baseLayers" : layer.name;
inputElem.type = (baseLayer) ? "radio" : "checkbox";
inputElem.value = layer.name;
inputElem.checked = checked;
inputElem.defaultChecked = checked;
inputElem.layer = layer;
inputElem.control = this;
Event.observe(inputElem, "mouseup",
this.onInputClick.bindAsEventListener(inputElem));
// create span
var labelSpan = document.createElement("span");
labelSpan.innerHTML = layer.name;
labelSpan.style.verticalAlign = (baseLayer) ? "bottom" : "baseline";
Event.observe(labelSpan, "click",
this.onInputClick.bindAsEventListener(inputElem));
// create line break
var br = document.createElement("br");
var groupArray = (baseLayer) ? this.baseLayerInputs
: this.dataLayerInputs;
groupArray.push(inputElem);
var groupDiv = (baseLayer) ? this.baseLayersDiv
: this.dataLayersDiv;
groupDiv.appendChild(inputElem);
groupDiv.appendChild(labelSpan);
groupDiv.appendChild(br);
}
// if no overlays, dont display the overlay label