osrm-backend/WebContent/base/leaflet/L.SwitchableIcon.js
2012-08-14 12:39:26 +01:00

78 lines
2.2 KiB
JavaScript

/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU AFFERO General Public License as published by
the Free Software Foundation; either version 3 of the License, or
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
or see http://www.gnu.org/licenses/agpl.txt.
*/
// Leaflet extension: MarkerIcon
// [icon class with extra label and simple icon changing]
// extended icon class
L.MarkerIcon = L.Icon.extend({
// altered icon creation (with label)
_createImg: function (src) {
var el;
if (!L.Browser.ie6) {
el = document.createElement('div');
var img = document.createElement('img');
var num = document.createElement('div');
img.src = src;
num.className = 'via-counter';
num.innerHTML = "";
el.appendChild(img);
el.appendChild(num);
} else {
el = document.createElement('div');
el.style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="' + src + '")';
}
return el;
},
// non-destructive icon changing
changeIcon: function (el) {
return this._changeIcon('icon', el);
},
changeShadow: function (el) {
return this.options.shadowUrl ? this._changeIcon('shadow', el) : null;
},
_changeIcon: function (name, el) {
var src = this._getIconUrl(name);
if (!src) {
if (name === 'icon') {
throw new Error("iconUrl not set in Icon options (see the docs).");
}
return null;
}
var img = this._changeImg(src, el);
this._setIconStyles(img, name);
return img;
},
_changeImg: function (src, el) {
if (!L.Browser.ie6) {
el.firstChild.src = src;
} else {
el.style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="' + src + '")';
}
return el;
}
});