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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/Control/Navigation.js
parent59741cd535c47f25971bf8c32b25da25ceadc6d5 (diff)
downloadpostrunner-ea346a785dc1b3f7c156f6fc33da634e1f1a627b.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/Control/ZoomBox.js
+ * @requires OpenLayers/Control/DragPan.js
+ * @requires OpenLayers/Handler/MouseWheel.js
+ * @requires OpenLayers/Handler/Click.js
+ */
+
+/**
+ * Class: OpenLayers.Control.Navigation
+ * The navigation control handles map browsing with mouse events (dragging,
+ * double-clicking, and scrolling the wheel). Create a new navigation
+ * control with the <OpenLayers.Control.Navigation> control.
+ *
+ * Note that this control is added to the map by default (if no controls
+ * array is sent in the options object to the <OpenLayers.Map>
+ * constructor).
+ *
+ * Inherits:
+ * - <OpenLayers.Control>
+ */
+OpenLayers.Control.Navigation = OpenLayers.Class(OpenLayers.Control, {
+
+ /**
+ * Property: dragPan
+ * {<OpenLayers.Control.DragPan>}
+ */
+ dragPan: null,
+
+ /**
+ * APIProperty: dragPanOptions
+ * {Object} Options passed to the DragPan control.
+ */
+ dragPanOptions: null,
+
+ /**
+ * Property: pinchZoom
+ * {<OpenLayers.Control.PinchZoom>}
+ */
+ pinchZoom: null,
+
+ /**
+ * APIProperty: pinchZoomOptions
+ * {Object} Options passed to the PinchZoom control.
+ */
+ pinchZoomOptions: null,
+
+ /**
+ * APIProperty: documentDrag
+ * {Boolean} Allow panning of the map by dragging outside map viewport.
+ * Default is false.
+ */
+ documentDrag: false,
+
+ /**
+ * Property: zoomBox
+ * {<OpenLayers.Control.ZoomBox>}
+ */
+ zoomBox: null,
+
+ /**
+ * APIProperty: zoomBoxEnabled
+ * {Boolean} Whether the user can draw a box to zoom
+ */
+ zoomBoxEnabled: true,
+
+ /**
+ * APIProperty: zoomWheelEnabled
+ * {Boolean} Whether the mousewheel should zoom the map
+ */
+ zoomWheelEnabled: true,
+
+ /**
+ * Property: mouseWheelOptions
+ * {Object} Options passed to the MouseWheel control (only useful if
+ * <zoomWheelEnabled> is set to true). Default is no options for maps
+ * with fractionalZoom set to true, otherwise
+ * {cumulative: false, interval: 50, maxDelta: 6}
+ */
+ mouseWheelOptions: null,
+
+ /**
+ * APIProperty: handleRightClicks
+ * {Boolean} Whether or not to handle right clicks. Default is false.
+ */
+ handleRightClicks: false,
+
+ /**
+ * APIProperty: zoomBoxKeyMask
+ * {Integer} <OpenLayers.Handler> key code of the key, which has to be
+ * pressed, while drawing the zoom box with the mouse on the screen.
+ * You should probably set handleRightClicks to true if you use this
+ * with MOD_CTRL, to disable the context menu for machines which use
+ * CTRL-Click as a right click.
+ * Default: <OpenLayers.Handler.MOD_SHIFT>
+ */
+ zoomBoxKeyMask: OpenLayers.Handler.MOD_SHIFT,
+
+ /**
+ * APIProperty: autoActivate
+ * {Boolean} Activate the control when it is added to a map. Default is
+ * true.
+ */
+ autoActivate: true,
+
+ /**
+ * Constructor: OpenLayers.Control.Navigation
+ * Create a new navigation control
+ *
+ * Parameters:
+ * options - {Object} An optional object whose properties will be set on
+ * the control
+ */
+ initialize: function(options) {
+ this.handlers = {};
+ OpenLayers.Control.prototype.initialize.apply(this, arguments);
+ },
+
+ /**
+ * Method: destroy
+ * The destroy method is used to perform any clean up before the control
+ * is dereferenced. Typically this is where event listeners are removed
+ * to prevent memory leaks.
+ */
+ destroy: function() {
+ this.deactivate();
+
+ if (this.dragPan) {
+ this.dragPan.destroy();
+ }
+ this.dragPan = null;
+
+ if (this.zoomBox) {
+ this.zoomBox.destroy();
+ }
+ this.zoomBox = null;
+
+ if (this.pinchZoom) {
+ this.pinchZoom.destroy();
+ }
+ this.pinchZoom = null;
+
+ OpenLayers.Control.prototype.destroy.apply(this,arguments);
+ },
+
+ /**
+ * Method: activate
+ */
+ activate: function() {
+ this.dragPan.activate();
+ if (this.zoomWheelEnabled) {
+ this.handlers.wheel.activate();
+ }
+ this.handlers.click.activate();
+ if (this.zoomBoxEnabled) {
+ this.zoomBox.activate();
+ }
+ if (this.pinchZoom) {
+ this.pinchZoom.activate();
+ }
+ return OpenLayers.Control.prototype.activate.apply(this,arguments);
+ },
+
+ /**
+ * Method: deactivate
+ */
+ deactivate: function() {
+ if (this.pinchZoom) {
+ this.pinchZoom.deactivate();
+ }
+ this.zoomBox.deactivate();
+ this.dragPan.deactivate();
+ this.handlers.click.deactivate();
+ this.handlers.wheel.deactivate();
+ return OpenLayers.Control.prototype.deactivate.apply(this,arguments);
+ },
+
+ /**
+ * Method: draw
+ */
+ draw: function() {
+ // disable right mouse context menu for support of right click events
+ if (this.handleRightClicks) {
+ this.map.viewPortDiv.oncontextmenu = OpenLayers.Function.False;
+ }
+
+ var clickCallbacks = {
+ 'click': this.defaultClick,
+ 'dblclick': this.defaultDblClick,
+ 'dblrightclick': this.defaultDblRightClick
+ };
+ var clickOptions = {
+ 'double': true,
+ 'stopDouble': true
+ };
+ this.handlers.click = new OpenLayers.Handler.Click(
+ this, clickCallbacks, clickOptions
+ );
+ this.dragPan = new OpenLayers.Control.DragPan(
+ OpenLayers.Util.extend({
+ map: this.map,
+ documentDrag: this.documentDrag
+ }, this.dragPanOptions)
+ );
+ this.zoomBox = new OpenLayers.Control.ZoomBox(
+ {map: this.map, keyMask: this.zoomBoxKeyMask});
+ this.dragPan.draw();
+ this.zoomBox.draw();
+ var wheelOptions = this.map.fractionalZoom ? {} : {
+ cumulative: false,
+ interval: 50,
+ maxDelta: 6
+ };
+ this.handlers.wheel = new OpenLayers.Handler.MouseWheel(
+ this, {up : this.wheelUp, down: this.wheelDown},
+ OpenLayers.Util.extend(wheelOptions, this.mouseWheelOptions)
+ );
+ if (OpenLayers.Control.PinchZoom) {
+ this.pinchZoom = new OpenLayers.Control.PinchZoom(
+ OpenLayers.Util.extend(
+ {map: this.map}, this.pinchZoomOptions));
+ }
+ },
+
+ /**
+ * Method: defaultClick
+ *
+ * Parameters:
+ * evt - {Event}
+ */
+ defaultClick: function (evt) {
+ if (evt.lastTouches && evt.lastTouches.length == 2) {
+ this.map.zoomOut();
+ }
+ },
+
+ /**
+ * Method: defaultDblClick
+ *
+ * Parameters:
+ * evt - {Event}
+ */
+ defaultDblClick: function (evt) {
+ this.map.zoomTo(this.map.zoom + 1, evt.xy);
+ },
+
+ /**
+ * Method: defaultDblRightClick
+ *
+ * Parameters:
+ * evt - {Event}
+ */
+ defaultDblRightClick: function (evt) {
+ this.map.zoomTo(this.map.zoom - 1, evt.xy);
+ },
+
+ /**
+ * Method: wheelChange
+ *
+ * Parameters:
+ * evt - {Event}
+ * deltaZ - {Integer}
+ */
+ wheelChange: function(evt, deltaZ) {
+ if (!this.map.fractionalZoom) {
+ deltaZ = Math.round(deltaZ);
+ }
+ var currentZoom = this.map.getZoom(),
+ newZoom = currentZoom + deltaZ;
+ newZoom = Math.max(newZoom, 0);
+ newZoom = Math.min(newZoom, this.map.getNumZoomLevels());
+ if (newZoom === currentZoom) {
+ return;
+ }
+ this.map.zoomTo(newZoom, evt.xy);
+ },
+
+ /**
+ * Method: wheelUp
+ * User spun scroll wheel up
+ *
+ * Parameters:
+ * evt - {Event}
+ * delta - {Integer}
+ */
+ wheelUp: function(evt, delta) {
+ this.wheelChange(evt, delta || 1);
+ },
+
+ /**
+ * Method: wheelDown
+ * User spun scroll wheel down
+ *
+ * Parameters:
+ * evt - {Event}
+ * delta - {Integer}
+ */
+ wheelDown: function(evt, delta) {
+ this.wheelChange(evt, delta || -1);
+ },
+
+ /**
+ * Method: disableZoomBox
+ */
+ disableZoomBox : function() {
+ this.zoomBoxEnabled = false;
+ this.zoomBox.deactivate();
+ },
+
+ /**
+ * Method: enableZoomBox
+ */
+ enableZoomBox : function() {
+ this.zoomBoxEnabled = true;
+ if (this.active) {
+ this.zoomBox.activate();
+ }
+ },
+
+ /**
+ * Method: disableZoomWheel
+ */
+
+ disableZoomWheel : function() {
+ this.zoomWheelEnabled = false;
+ this.handlers.wheel.deactivate();
+ },
+
+ /**
+ * Method: enableZoomWheel
+ */
+
+ enableZoomWheel : function() {
+ this.zoomWheelEnabled = true;
+ if (this.active) {
+ this.handlers.wheel.activate();
+ }
+ },
+
+ CLASS_NAME: "OpenLayers.Control.Navigation"
+});