svgedit/firefox-extension/handlers.js

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JavaScript
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// Note: This JavaScript file must be included as the last script on the main HTML editor page to override the open/save handlers
$(function() {
if(!window.Components) return;
function moz_file_picker(readflag) {
var fp = window.Components.classes["@mozilla.org/filepicker;1"].
createInstance(Components.interfaces.nsIFilePicker);
if(readflag)
fp.init(window, "Pick a SVG file", fp.modeOpen);
else
fp.init(window, "Pick a SVG file", fp.modeSave);
fp.defaultExtension = "*.svg";
fp.show();
return fp.file;
}
svgCanvas.setCustomHandlers({
'open':function() {
try {
netscape.security.PrivilegeManager.
enablePrivilege("UniversalXPConnect");
var file = moz_file_picker(true);
if(!file)
return(null);
var inputStream = Components.classes["@mozilla.org/network/file-input-stream;1"].createInstance(Components.interfaces.nsIFileInputStream);
inputStream.init(file, 0x01, 00004, null);
var sInputStream = Components.classes["@mozilla.org/scriptableinputstream;1"].createInstance(Components.interfaces.nsIScriptableInputStream);
sInputStream.init(inputStream);
svgCanvas.setSvgString(sInputStream.
read(sInputStream.available()));
} catch(e) {
console.log("Exception while attempting to load" + e);
}
},
'save':function(svg, str) {
try {
var file = moz_file_picker(false);
if(!file)
return;
if (!file.exists())
file.create(0, 0664);
var out = Components.classes["@mozilla.org/network/file-output-stream;1"].createInstance(Components.interfaces.nsIFileOutputStream);
out.init(file, 0x20 | 0x02, 00004,null);
out.write(str, str.length);
out.flush();
out.close();
} catch(e) {
alert(e);
}
}
});
});