+++ /dev/null
-/* Copyright (c) 2006 MetaCarta, Inc., published under the BSD license.
- * See http://svn.openlayers.org/trunk/openlayers/license.txt for the full
- * text of the license. */
-// @require: OpenLayers/Control.js
-OpenLayers.Control.MouseDefaults = Class.create();
-OpenLayers.Control.MouseDefaults.prototype =
- Object.extend( new OpenLayers.Control(), {
-
- performedDrag: false,
-
- initialize: function() {
- OpenLayers.Control.prototype.initialize.apply(this, arguments);
- },
-
- draw: function() {
- this.map.events.register( "click", this, this.defaultClick );
- this.map.events.register( "dblclick", this, this.defaultDblClick );
- this.map.events.register( "mousedown", this, this.defaultMouseDown );
- this.map.events.register( "mouseup", this, this.defaultMouseUp );
- this.map.events.register( "mousemove", this, this.defaultMouseMove );
- this.map.events.register( "mouseout", this, this.defaultMouseOut );
- },
-
- defaultClick: function (evt) {
- if (!Event.isLeftClick(evt)) return;
- var notAfterDrag = !this.performedDrag;
- this.performedDrag = false;
- return notAfterDrag;
- },
-
- /**
- * @param {Event} evt
- */
- defaultDblClick: function (evt) {
- var newCenter = this.map.getLonLatFromViewPortPx( evt.xy );
- this.map.setCenter(newCenter, this.map.zoom + 1);
- },
-
- /**
- * @param {Event} evt
- */
- defaultMouseDown: function (evt) {
- if (!Event.isLeftClick(evt)) return;
- this.mouseDragStart = evt.xy.copyOf();
- this.performedDrag = false;
- if (evt.shiftKey) {
- this.map.div.style.cursor = "crosshair";
- this.zoomBox = OpenLayers.Util.createDiv('zoomBox',
- this.mouseDragStart,
- null,
- null,
- "absolute",
- "2px solid red");
- this.zoomBox.style.backgroundColor = "white";
- this.zoomBox.style.filter = "alpha(opacity=50)"; // IE
- this.zoomBox.style.opacity = "0.50";
- this.zoomBox.style.zIndex = this.map.Z_INDEX_BASE["Popup"] - 1;
- this.map.viewPortDiv.appendChild(this.zoomBox);
- }
- document.onselectstart=function() { return false; }
- Event.stop(evt);
- },
-
- /**
- * @param {Event} evt
- */
- defaultMouseMove: function (evt) {
- if (this.mouseDragStart != null) {
- if (this.zoomBox) {
- var deltaX = Math.abs(this.mouseDragStart.x - evt.xy.x);
- var deltaY = Math.abs(this.mouseDragStart.y - evt.xy.y);
- this.zoomBox.style.width = deltaX+"px";
- this.zoomBox.style.height = deltaY+"px";
- if (evt.xy.x < this.mouseDragStart.x) {
- this.zoomBox.style.left = evt.xy.x+"px";
- }
- if (evt.xy.y < this.mouseDragStart.y) {
- this.zoomBox.style.top = evt.xy.y+"px";
- }
- } else {
- var deltaX = this.mouseDragStart.x - evt.xy.x;
- var deltaY = this.mouseDragStart.y - evt.xy.y;
- var size = this.map.getSize();
- var newXY = new OpenLayers.Pixel(size.w / 2 + deltaX,
- size.h / 2 + deltaY);
- var newCenter = this.map.getLonLatFromViewPortPx( newXY );
- this.map.setCenter(newCenter, null, true);
- this.mouseDragStart = evt.xy.copyOf();
- this.map.div.style.cursor = "move";
- }
- this.performedDrag = true;
- }
- },
-
- /**
- * @param {Event} evt
- */
- defaultMouseUp: function (evt) {
- if (!Event.isLeftClick(evt)) return;
- if (this.zoomBox) {
- var start = this.map.getLonLatFromViewPortPx( this.mouseDragStart );
- var end = this.map.getLonLatFromViewPortPx( evt.xy );
- var top = Math.max(start.lat, end.lat);
- var bottom = Math.min(start.lat, end.lat);
- var left = Math.min(start.lon, end.lon);
- var right = Math.max(start.lon, end.lon);
- var bounds = new OpenLayers.Bounds(left, bottom, right, top);
- var zoom = this.map.getZoomForExtent(bounds);
- this.map.setCenter(new OpenLayers.LonLat(
- (start.lon + end.lon) / 2,
- (start.lat + end.lat) / 2
- ), zoom);
- this.map.viewPortDiv.removeChild(document.getElementById("zoomBox"));
- this.zoomBox = null;
- } else {
- this.map.setCenter(this.map.center);
- }
- document.onselectstart=null;
- this.mouseDragStart = null;
- this.map.div.style.cursor = "default";
- },
-
- defaultMouseOut: function (evt) {
- if (this.mouseDragStart != null
- && OpenLayers.Util.mouseLeft(evt, this.map.div)) {
- this.defaultMouseUp(evt);
- }
- }
-});
-