Reorganize the project folder #76

git-svn-id: http://www.peacefrogs.net/svn/chimere/trunk@59 9215b0d5-fb2c-4bbd-8d3e-bd2e9090e864

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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