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authorChris Schlaeger <chris@linux.com>2014-08-12 21:56:44 +0200
committerChris Schlaeger <chris@linux.com>2014-08-12 21:56:44 +0200
commitea346a785dc1b3f7c156f6fc33da634e1f1a627b (patch)
treeaf67530553d20b6e82ad60fd79593e9c4abf5565 /misc/openlayers/lib/OpenLayers/Popup/Anchored.js
parent59741cd535c47f25971bf8c32b25da25ceadc6d5 (diff)
downloadpostrunner-fb1989bda5d3e0a5472ba7644d57cae197733a8f.zip
Adding jquery, flot and openlayers to be included with the GEM.v0.0.4
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+/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for
+ * full list of contributors). Published under the 2-clause BSD license.
+ * See license.txt in the OpenLayers distribution or repository for the
+ * full text of the license. */
+
+
+/**
+ * @requires OpenLayers/Popup.js
+ */
+
+/**
+ * Class: OpenLayers.Popup.Anchored
+ *
+ * Inherits from:
+ * - <OpenLayers.Popup>
+ */
+OpenLayers.Popup.Anchored =
+ OpenLayers.Class(OpenLayers.Popup, {
+
+ /**
+ * Property: relativePosition
+ * {String} Relative position of the popup ("br", "tr", "tl" or "bl").
+ */
+ relativePosition: null,
+
+ /**
+ * APIProperty: keepInMap
+ * {Boolean} If panMapIfOutOfView is false, and this property is true,
+ * contrain the popup such that it always fits in the available map
+ * space. By default, this is set. If you are creating popups that are
+ * near map edges and not allowing pannning, and especially if you have
+ * a popup which has a fixedRelativePosition, setting this to false may
+ * be a smart thing to do.
+ *
+ * For anchored popups, default is true, since subclasses will
+ * usually want this functionality.
+ */
+ keepInMap: true,
+
+ /**
+ * Property: anchor
+ * {Object} Object to which we'll anchor the popup. Must expose a
+ * 'size' (<OpenLayers.Size>) and 'offset' (<OpenLayers.Pixel>).
+ */
+ anchor: null,
+
+ /**
+ * Constructor: OpenLayers.Popup.Anchored
+ *
+ * Parameters:
+ * id - {String}
+ * lonlat - {<OpenLayers.LonLat>}
+ * contentSize - {<OpenLayers.Size>}
+ * contentHTML - {String}
+ * anchor - {Object} Object which must expose a 'size' <OpenLayers.Size>
+ * and 'offset' <OpenLayers.Pixel> (generally an <OpenLayers.Icon>).
+ * closeBox - {Boolean}
+ * closeBoxCallback - {Function} Function to be called on closeBox click.
+ */
+ initialize:function(id, lonlat, contentSize, contentHTML, anchor, closeBox,
+ closeBoxCallback) {
+ var newArguments = [
+ id, lonlat, contentSize, contentHTML, closeBox, closeBoxCallback
+ ];
+ OpenLayers.Popup.prototype.initialize.apply(this, newArguments);
+
+ this.anchor = (anchor != null) ? anchor
+ : { size: new OpenLayers.Size(0,0),
+ offset: new OpenLayers.Pixel(0,0)};
+ },
+
+ /**
+ * APIMethod: destroy
+ */
+ destroy: function() {
+ this.anchor = null;
+ this.relativePosition = null;
+
+ OpenLayers.Popup.prototype.destroy.apply(this, arguments);
+ },
+
+ /**
+ * APIMethod: show
+ * Overridden from Popup since user might hide popup and then show() it
+ * in a new location (meaning we might want to update the relative
+ * position on the show)
+ */
+ show: function() {
+ this.updatePosition();
+ OpenLayers.Popup.prototype.show.apply(this, arguments);
+ },
+
+ /**
+ * Method: moveTo
+ * Since the popup is moving to a new px, it might need also to be moved
+ * relative to where the marker is. We first calculate the new
+ * relativePosition, and then we calculate the new px where we will
+ * put the popup, based on the new relative position.
+ *
+ * If the relativePosition has changed, we must also call
+ * updateRelativePosition() to make any visual changes to the popup
+ * which are associated with putting it in a new relativePosition.
+ *
+ * Parameters:
+ * px - {<OpenLayers.Pixel>}
+ */
+ moveTo: function(px) {
+ var oldRelativePosition = this.relativePosition;
+ this.relativePosition = this.calculateRelativePosition(px);
+
+ OpenLayers.Popup.prototype.moveTo.call(this, this.calculateNewPx(px));
+
+ //if this move has caused the popup to change its relative position,
+ // we need to make the appropriate cosmetic changes.
+ if (this.relativePosition != oldRelativePosition) {
+ this.updateRelativePosition();
+ }
+ },
+
+ /**
+ * APIMethod: setSize
+ *
+ * Parameters:
+ * contentSize - {<OpenLayers.Size>} the new size for the popup's
+ * contents div (in pixels).
+ */
+ setSize:function(contentSize) {
+ OpenLayers.Popup.prototype.setSize.apply(this, arguments);
+
+ if ((this.lonlat) && (this.map)) {
+ var px = this.map.getLayerPxFromLonLat(this.lonlat);
+ this.moveTo(px);
+ }
+ },
+
+ /**
+ * Method: calculateRelativePosition
+ *
+ * Parameters:
+ * px - {<OpenLayers.Pixel>}
+ *
+ * Returns:
+ * {String} The relative position ("br" "tr" "tl" "bl") at which the popup
+ * should be placed.
+ */
+ calculateRelativePosition:function(px) {
+ var lonlat = this.map.getLonLatFromLayerPx(px);
+
+ var extent = this.map.getExtent();
+ var quadrant = extent.determineQuadrant(lonlat);
+
+ return OpenLayers.Bounds.oppositeQuadrant(quadrant);
+ },
+
+ /**
+ * Method: updateRelativePosition
+ * The popup has been moved to a new relative location, so we may want to
+ * make some cosmetic adjustments to it.
+ *
+ * Note that in the classic Anchored popup, there is nothing to do
+ * here, since the popup looks exactly the same in all four positions.
+ * Subclasses such as Framed, however, will want to do something
+ * special here.
+ */
+ updateRelativePosition: function() {
+ //to be overridden by subclasses
+ },
+
+ /**
+ * Method: calculateNewPx
+ *
+ * Parameters:
+ * px - {<OpenLayers.Pixel>}
+ *
+ * Returns:
+ * {<OpenLayers.Pixel>} The the new px position of the popup on the screen
+ * relative to the passed-in px.
+ */
+ calculateNewPx:function(px) {
+ var newPx = px.offset(this.anchor.offset);
+
+ //use contentSize if size is not already set
+ var size = this.size || this.contentSize;
+
+ var top = (this.relativePosition.charAt(0) == 't');
+ newPx.y += (top) ? -size.h : this.anchor.size.h;
+
+ var left = (this.relativePosition.charAt(1) == 'l');
+ newPx.x += (left) ? -size.w : this.anchor.size.w;
+
+ return newPx;
+ },
+
+ CLASS_NAME: "OpenLayers.Popup.Anchored"
+});