dd41ac7693
git-svn-id: http://svn.openlayers.org/trunk/openlayers@1470 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
315 lines
8.1 KiB
JavaScript
315 lines
8.1 KiB
JavaScript
/* Copyright (c) 2006 MetaCarta, Inc., published under the BSD license.
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* See http://svn.openlayers.org/trunk/openlayers/license.txt for the full
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* text of the license. */
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/**
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* @class
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*/
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OpenLayers.Popup = Class.create();
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OpenLayers.Popup.WIDTH = 200;
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OpenLayers.Popup.HEIGHT = 200;
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OpenLayers.Popup.COLOR = "white";
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OpenLayers.Popup.OPACITY = 1;
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OpenLayers.Popup.BORDER = "0px";
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OpenLayers.Popup.prototype = {
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/** @type OpenLayers.Events*/
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events: null,
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/** @type String */
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id: "",
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/** @type OpenLayers.LonLat */
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lonlat: null,
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/** @type DOMElement */
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div: null,
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/** @type OpenLayers.Size*/
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size: null,
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/** @type String */
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contentHTML: "",
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/** @type String */
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backgroundColor: "",
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/** @type float */
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opacity: "",
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/** @type String */
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border: "",
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/** this gets set in Map.js when the popup is added to the map
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* @type OpenLayers.Map */
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map: null,
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/**
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* @constructor
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*
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* @param {String} id
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* @param {OpenLayers.LonLat} lonlat
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* @param {OpenLayers.Size} size
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* @param {String} contentHTML
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*/
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initialize:function(id, lonlat, size, contentHTML) {
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if (id == null) {
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id = OpenLayers.Util.createUniqueID(this.CLASS_NAME + "_");
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}
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this.id = id;
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this.lonlat = lonlat;
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this.size = (size != null) ? size
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: new OpenLayers.Size(
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OpenLayers.Popup.WIDTH,
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OpenLayers.Popup.HEIGHT);
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if (contentHTML != null) {
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this.contentHTML = contentHTML;
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}
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this.backgroundColor = OpenLayers.Popup.COLOR;
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this.opacity = OpenLayers.Popup.OPACITY;
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this.border = OpenLayers.Popup.BORDER;
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this.div = OpenLayers.Util.createDiv(this.id, null, null,
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null, null, null, "hidden");
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this.registerEvents();
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},
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/**
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*/
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destroy: function() {
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if (this.map != null) {
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this.map.removePopup(this);
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}
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this.div = null;
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this.map = null;
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},
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/**
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* @param {OpenLayers.Pixel} px
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*
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* @returns Reference to a div that contains the drawn popup
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* @type DOMElement
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*/
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draw: function(px) {
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if (px == null) {
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if ((this.lonlat != null) && (this.map != null)) {
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px = this.map.getLayerPxFromLonLat(this.lonlat);
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}
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}
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this.setSize();
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this.setBackgroundColor();
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this.setOpacity();
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this.setBorder();
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this.setContentHTML();
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this.moveTo(px);
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return this.div;
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},
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/**
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* if the popup has a lonlat and its map members set,
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* then have it move itself to its proper position
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*/
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updatePosition: function() {
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if ((this.lonlat) && (this.map)) {
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var px = this.map.getLayerPxFromLonLat(this.lonlat);
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this.moveTo(px);
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}
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},
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/**
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* @param {OpenLayers.Pixel} px
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*/
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moveTo: function(px) {
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if ((px != null) && (this.div != null)) {
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this.div.style.left = px.x + "px";
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this.div.style.top = px.y + "px";
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}
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},
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/**
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* @returns Boolean indicating whether or not the popup is visible
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* @type Boolean
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*/
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visible: function() {
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return Element.visible(this.div);
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},
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/**
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*
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*/
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toggle: function() {
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Element.toggle(this.div);
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},
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/**
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*
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*/
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show: function() {
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Element.show(this.div);
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},
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/**
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*
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*/
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hide: function() {
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Element.hide(this.div);
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},
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/**
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* @param {OpenLayers.Size} size
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*/
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setSize:function(size) {
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if (size != undefined) {
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this.size = size;
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}
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if (this.div != null) {
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this.div.style.width = this.size.w + "px";
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this.div.style.height = this.size.h + "px";
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}
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},
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/**
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* @param {String} color
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*/
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setBackgroundColor:function(color) {
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if (color != undefined) {
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this.backgroundColor = color;
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}
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if (this.div != null) {
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this.div.style.backgroundColor = this.backgroundColor;
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}
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},
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/**
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* @param {float} opacity
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*/
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setOpacity:function(opacity) {
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if (opacity != undefined) {
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this.opacity = opacity;
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}
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if (this.div != null) {
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// for Mozilla and Safari
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this.div.style.opacity = this.opacity;
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// for IE
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this.div.style.filter = 'alpha(opacity=' + this.opacity*100 + ')';
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}
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},
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/**
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* @param {int} border
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*/
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setBorder:function(border) {
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if (border != undefined) {
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this.border = border;
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}
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if (this.div != null) {
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this.div.style.border = this.border;
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}
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},
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/**
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* @param {String} contentHTML
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*/
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setContentHTML:function(contentHTML) {
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if (contentHTML != null) {
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this.contentHTML = contentHTML;
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}
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if (this.div != null) {
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this.div.innerHTML = this.contentHTML;
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}
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},
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/** Do this in a separate function so that subclasses can
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* choose to override it if they wish to deal differently
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* with mouse events
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*
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* Note in the following handler functions that some special
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* care is needed to deal correctly with mousing and popups.
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*
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* Because the user might select the zoom-rectangle option and
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* then drag it over a popup, we need a safe way to allow the
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* mousemove and mouseup events to pass through the popup when
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* they are initiated from outside.
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*
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* Otherwise, we want to essentially kill the event propagation
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* for all other events, though we have to do so carefully,
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* without disabling basic html functionality, like clicking on
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* hyperlinks or drag-selecting text.
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*/
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registerEvents:function() {
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this.events = new OpenLayers.Events(this, this.div, null, true);
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this.events.register("mousedown", this, this.onmousedown);
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this.events.register("mousemove", this, this.onmousemove);
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this.events.register("mouseup", this, this.onmouseup);
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this.events.register("click", this,
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OpenLayers.Util.safeStopPropagation);
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this.events.register("mouseout", this, this.onmouseout);
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this.events.register("dblclick", this,
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OpenLayers.Util.safeStopPropagation);
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},
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/** When mouse goes down within the popup, make a note of
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* it locally, and then do not propagate the mousedown
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* (but do so safely so that user can select text inside)
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*
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* @param {Event} evt
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*/
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onmousedown: function (evt) {
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this.mousedown = true;
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OpenLayers.Util.safeStopPropagation(evt);
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},
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/** If the drag was started within the popup, then
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* do not propagate the mousemove (but do so safely
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* so that user can select text inside)
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*
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* @param {Event} evt
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*/
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onmousemove: function (evt) {
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if (this.mousedown) {
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OpenLayers.Util.safeStopPropagation(evt);
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}
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},
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/** When mouse comes up within the popup, after going down
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* in it, reset the flag, and then (once again) do not
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* propagate the event, but do so safely so that user can
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* select text inside
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*
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* @param {Event} evt
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*/
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onmouseup: function (evt) {
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if (this.mousedown) {
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this.mousedown = false;
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OpenLayers.Util.safeStopPropagation(evt);
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}
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},
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/** When mouse goes out of the popup set the flag to false so that
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* if they let go and then drag back in, we won't be confused.
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*
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* @param {Event} evt
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*
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* @type Boolean
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*/
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onmouseout: function (evt) {
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this.mousedown = false;
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},
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CLASS_NAME: "OpenLayers.Popup"
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};
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