77 lines
2.1 KiB
JavaScript
77 lines
2.1 KiB
JavaScript
/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for
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* full list of contributors). Published under the 2-clause BSD license.
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* See license.txt in the OpenLayers distribution or repository for the
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* full text of the license. */
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/**
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* @requires OpenLayers/Layer.js
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* @requires OpenLayers/Layer/Markers.js
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*/
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/**
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* Class: OpenLayers.Layer.Boxes
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* Draw divs as 'boxes' on the layer.
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*
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* Inherits from:
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* - <OpenLayers.Layer.Markers>
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*/
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OpenLayers.Layer.Boxes = OpenLayers.Class(OpenLayers.Layer.Markers, {
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/**
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* Constructor: OpenLayers.Layer.Boxes
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*
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* Parameters:
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* name - {String}
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* options - {Object} Hashtable of extra options to tag onto the layer
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*/
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/**
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* Method: drawMarker
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* Calculate the pixel location for the marker, create it, and
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* add it to the layer's div
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*
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* Parameters:
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* marker - {<OpenLayers.Marker.Box>}
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*/
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drawMarker: function(marker) {
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var topleft = this.map.getLayerPxFromLonLat({
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lon: marker.bounds.left,
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lat: marker.bounds.top
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});
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var botright = this.map.getLayerPxFromLonLat({
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lon: marker.bounds.right,
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lat: marker.bounds.bottom
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});
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if (botright == null || topleft == null) {
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marker.display(false);
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} else {
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var markerDiv = marker.draw(topleft, {
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w: Math.max(1, botright.x - topleft.x),
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h: Math.max(1, botright.y - topleft.y)
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});
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if (!marker.drawn) {
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this.div.appendChild(markerDiv);
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marker.drawn = true;
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}
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}
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},
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/**
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* APIMethod: removeMarker
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*
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* Parameters:
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* marker - {<OpenLayers.Marker.Box>}
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*/
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removeMarker: function(marker) {
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OpenLayers.Util.removeItem(this.markers, marker);
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if ((marker.div != null) &&
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(marker.div.parentNode == this.div) ) {
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this.div.removeChild(marker.div);
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}
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},
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CLASS_NAME: "OpenLayers.Layer.Boxes"
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});
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