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Diffstat (limited to 'misc/openlayers/lib/OpenLayers/Handler/Box.js')
| -rw-r--r-- | misc/openlayers/lib/OpenLayers/Handler/Box.js | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/misc/openlayers/lib/OpenLayers/Handler/Box.js b/misc/openlayers/lib/OpenLayers/Handler/Box.js deleted file mode 100644 index 9d3289a..0000000 --- a/misc/openlayers/lib/OpenLayers/Handler/Box.js +++ /dev/null @@ -1,244 +0,0 @@ -/* 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/Handler.js - * @requires OpenLayers/Handler/Drag.js - */ - -/** - * Class: OpenLayers.Handler.Box - * Handler for dragging a rectangle across the map. Box is displayed - * on mouse down, moves on mouse move, and is finished on mouse up. - * - * Inherits from: - * - <OpenLayers.Handler> - */ -OpenLayers.Handler.Box = OpenLayers.Class(OpenLayers.Handler, { - - /** - * Property: dragHandler - * {<OpenLayers.Handler.Drag>} - */ - dragHandler: null, - - /** - * APIProperty: boxDivClassName - * {String} The CSS class to use for drawing the box. Default is - * olHandlerBoxZoomBox - */ - boxDivClassName: 'olHandlerBoxZoomBox', - - /** - * Property: boxOffsets - * {Object} Caches box offsets from css. This is used by the getBoxOffsets - * method. - */ - boxOffsets: null, - - /** - * Constructor: OpenLayers.Handler.Box - * - * Parameters: - * control - {<OpenLayers.Control>} - * callbacks - {Object} An object with a properties whose values are - * functions. Various callbacks described below. - * options - {Object} - * - * Named callbacks: - * start - Called when the box drag operation starts. - * done - Called when the box drag operation is finished. - * The callback should expect to receive a single argument, the box - * bounds or a pixel. If the box dragging didn't span more than a 5 - * pixel distance, a pixel will be returned instead of a bounds object. - */ - initialize: function(control, callbacks, options) { - OpenLayers.Handler.prototype.initialize.apply(this, arguments); - this.dragHandler = new OpenLayers.Handler.Drag( - this, - { - down: this.startBox, - move: this.moveBox, - out: this.removeBox, - up: this.endBox - }, - {keyMask: this.keyMask} - ); - }, - - /** - * Method: destroy - */ - destroy: function() { - OpenLayers.Handler.prototype.destroy.apply(this, arguments); - if (this.dragHandler) { - this.dragHandler.destroy(); - this.dragHandler = null; - } - }, - - /** - * Method: setMap - */ - setMap: function (map) { - OpenLayers.Handler.prototype.setMap.apply(this, arguments); - if (this.dragHandler) { - this.dragHandler.setMap(map); - } - }, - - /** - * Method: startBox - * - * Parameters: - * xy - {<OpenLayers.Pixel>} - */ - startBox: function (xy) { - this.callback("start", []); - this.zoomBox = OpenLayers.Util.createDiv('zoomBox', { - x: -9999, y: -9999 - }); - this.zoomBox.className = this.boxDivClassName; - this.zoomBox.style.zIndex = this.map.Z_INDEX_BASE["Popup"] - 1; - - this.map.viewPortDiv.appendChild(this.zoomBox); - - OpenLayers.Element.addClass( - this.map.viewPortDiv, "olDrawBox" - ); - }, - - /** - * Method: moveBox - */ - moveBox: function (xy) { - var startX = this.dragHandler.start.x; - var startY = this.dragHandler.start.y; - var deltaX = Math.abs(startX - xy.x); - var deltaY = Math.abs(startY - xy.y); - - var offset = this.getBoxOffsets(); - this.zoomBox.style.width = (deltaX + offset.width + 1) + "px"; - this.zoomBox.style.height = (deltaY + offset.height + 1) + "px"; - this.zoomBox.style.left = (xy.x < startX ? - startX - deltaX - offset.left : startX - offset.left) + "px"; - this.zoomBox.style.top = (xy.y < startY ? - startY - deltaY - offset.top : startY - offset.top) + "px"; - }, - - /** - * Method: endBox - */ - endBox: function(end) { - var result; - if (Math.abs(this.dragHandler.start.x - end.x) > 5 || - Math.abs(this.dragHandler.start.y - end.y) > 5) { - var start = this.dragHandler.start; - var top = Math.min(start.y, end.y); - var bottom = Math.max(start.y, end.y); - var left = Math.min(start.x, end.x); - var right = Math.max(start.x, end.x); - result = new OpenLayers.Bounds(left, bottom, right, top); - } else { - result = this.dragHandler.start.clone(); // i.e. OL.Pixel - } - this.removeBox(); - - this.callback("done", [result]); - }, - - /** - * Method: removeBox - * Remove the zoombox from the screen and nullify our reference to it. - */ - removeBox: function() { - this.map.viewPortDiv.removeChild(this.zoomBox); - this.zoomBox = null; - this.boxOffsets = null; - OpenLayers.Element.removeClass( - this.map.viewPortDiv, "olDrawBox" - ); - - }, - - /** - * Method: activate - */ - activate: function () { - if (OpenLayers.Handler.prototype.activate.apply(this, arguments)) { - this.dragHandler.activate(); - return true; - } else { - return false; - } - }, - - /** - * Method: deactivate - */ - deactivate: function () { - if (OpenLayers.Handler.prototype.deactivate.apply(this, arguments)) { - if (this.dragHandler.deactivate()) { - if (this.zoomBox) { - this.removeBox(); - } - } - return true; - } else { - return false; - } - }, - - /** - * Method: getBoxOffsets - * Determines border offsets for a box, according to the box model. - * - * Returns: - * {Object} an object with the following offsets: - * - left - * - right - * - top - * - bottom - * - width - * - height - */ - getBoxOffsets: function() { - if (!this.boxOffsets) { - // Determine the box model. If the testDiv's clientWidth is 3, then - // the borders are outside and we are dealing with the w3c box - // model. Otherwise, the browser uses the traditional box model and - // the borders are inside the box bounds, leaving us with a - // clientWidth of 1. - var testDiv = document.createElement("div"); - //testDiv.style.visibility = "hidden"; - testDiv.style.position = "absolute"; - testDiv.style.border = "1px solid black"; - testDiv.style.width = "3px"; - document.body.appendChild(testDiv); - var w3cBoxModel = testDiv.clientWidth == 3; - document.body.removeChild(testDiv); - - var left = parseInt(OpenLayers.Element.getStyle(this.zoomBox, - "border-left-width")); - var right = parseInt(OpenLayers.Element.getStyle( - this.zoomBox, "border-right-width")); - var top = parseInt(OpenLayers.Element.getStyle(this.zoomBox, - "border-top-width")); - var bottom = parseInt(OpenLayers.Element.getStyle( - this.zoomBox, "border-bottom-width")); - this.boxOffsets = { - left: left, - right: right, - top: top, - bottom: bottom, - width: w3cBoxModel === false ? left + right : 0, - height: w3cBoxModel === false ? top + bottom : 0 - }; - } - return this.boxOffsets; - }, - - CLASS_NAME: "OpenLayers.Handler.Box" -}); |