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Diffstat (limited to 'chimere/static/base.js')
-rw-r--r-- | chimere/static/base.js | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/chimere/static/base.js b/chimere/static/base.js new file mode 100644 index 0000000..cabdf2a --- /dev/null +++ b/chimere/static/base.js @@ -0,0 +1,63 @@ +/* base function shared by some pages */ +/* Copyright (C) 2009 Étienne Loks <etienne.loks_AT_peacefrogsDOTnet> + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as +published by the Free Software Foundation, either version 3 of the +License, or (at your option) 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 General Public License +along with this program. If not, see <http://www.gnu.org/licenses/>. + +See the file COPYING for details. +*/ + +/* show a block panel */ +function show(id){ + document.getElementById(id).style.display = 'block'; +} + +/* hide a panel */ +function hide(id){ + document.getElementById(id).style.display = 'None'; +} + +function saveExtent() { + /* save the current extent in a cookie */ + if(!map) return; + document.cookie = "MAP_EXTENT=" + map.getExtent().toArray().join('_') + + ';path="/"'; +} + +function getExtent() { + /* get the current extent from a cookie */ + var cookies = document.cookie.split(';'); + var map_extent; + for (i in cookies){ + var items = cookies[i].split('='); + key = items[0].split(' ').join(''); + if (key == 'MAP_EXTENT'){ + map_extent = items[1].split('_'); + } + } + return map_extent; +} + +function zoomToCurrentExtent(map){ + /* zoom to current extent */ + var current_extent = getExtent(); + if (OpenLayers && current_extent && current_extent.length == 4){ + extent = new OpenLayers.Bounds(current_extent[0], current_extent[1], + current_extent[2], current_extent[3]); + map.zoomToExtent(extent, true); + return true; + } + else{ + return; + } +}
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