instiki/public/svg-edit/editor/extensions/ext-server_opensave.js

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2010-07-20 14:59:47 +02:00
/*
* ext-server_opensave.js
*
* Licensed under the Apache License, Version 2
*
* Copyright(c) 2010 Alexis Deveria
*
*/
svgEditor.addExtension("server_opensave", {
callback: function() {
var save_svg_action = 'extensions/filesave.php';
var save_png_action = 'extensions/filesave.php';
// Create upload target (hidden iframe)
var target = $('<iframe name="output_frame" src="#"/>').hide().appendTo('body');
svgEditor.setCustomHandlers({
save: function(win, data) {
var svg = "<?xml version='1.0'?>\n" + data;
var title = svgCanvas.getDocumentTitle();
var filename = title.replace(/[^a-z0-9\.\_\-]+/gi, '_');
var form = $('<form>').attr({
method: 'post',
action: save_svg_action,
target: 'output_frame'
}) .append('<input type="hidden" name="output_svg" value="' + encodeURI(svg) + '">')
.append('<input type="hidden" name="filename" value="' + filename + '">')
.appendTo('body')
.submit().remove();
},
pngsave: function(win, data) {
var issues = data.issues;
if(!$('#export_canvas').length) {
$('<canvas>', {id: 'export_canvas'}).hide().appendTo('body');
}
var c = $('#export_canvas')[0];
c.width = svgCanvas.contentW;
c.height = svgCanvas.contentH;
canvg(c, data.svg);
var datauri = c.toDataURL('image/png');
var uiStrings = svgEditor.uiStrings;
var note = '';
// Check if there's issues
if(issues.length) {
var pre = "\n \u2022 ";
note += ("\n\n" + pre + issues.join(pre));
}
if(note.length) {
alert(note);
}
var title = svgCanvas.getDocumentTitle();
var filename = title.replace(/[^a-z0-9\.\_\-]+/gi, '_');
var form = $('<form>').attr({
method: 'post',
action: save_png_action,
target: 'output_frame'
}) .append('<input type="hidden" name="output_png" value="' + datauri + '">')
.append('<input type="hidden" name="filename" value="' + filename + '">')
.appendTo('body')
.submit().remove();
}
});
// Do nothing if client support is found
if(window.FileReader) return;
var cancelled = false;
// Change these to appropriate script file
var open_svg_action = 'extensions/fileopen.php?type=load_svg';
var import_svg_action = 'extensions/fileopen.php?type=import_svg';
var import_img_action = 'extensions/fileopen.php?type=import_img';
// Set up function for PHP uploader to use
svgEditor.processFile = function(str64, type) {
if(cancelled) {
cancelled = false;
return;
}
$('#dialog_box').hide();
if(type != 'import_img') {
var xmlstr = svgCanvas.Utils.decode64(str64);
}
switch ( type ) {
case 'load_svg':
svgCanvas.clear();
svgCanvas.setSvgString(xmlstr);
svgEditor.updateCanvas();
break;
case 'import_svg':
svgCanvas.importSvgString(xmlstr);
svgEditor.updateCanvas();
break;
case 'import_img':
svgCanvas.setGoodImage(str64);
break;
}
}
// Create upload form
var open_svg_form = $('<form>');
open_svg_form.attr({
enctype: 'multipart/form-data',
method: 'post',
action: open_svg_action,
target: 'output_frame'
});
// Create import form
var import_svg_form = open_svg_form.clone().attr('action', import_svg_action);
// Create image form
var import_img_form = open_svg_form.clone().attr('action', import_img_action);
// It appears necessory to rebuild this input every time a file is
// selected so the same file can be picked and the change event can fire.
function rebuildInput(form) {
form.empty();
var inp = $('<input type="file" name="svg_file">').appendTo(form);
function submit() {
// This submits the form, which returns the file data using svgEditor.uploadSVG
form.submit();
rebuildInput(form);
$.process_cancel("Uploading...", function() {
cancelled = true;
$('#dialog_box').hide();
});
}
if(form[0] == open_svg_form[0]) {
inp.change(function() {
// This takes care of the "are you sure" dialog box
svgEditor.openPrep(function(ok) {
if(!ok) {
rebuildInput(form);
return;
}
submit();
});
});
} else {
inp.change(function() {
// This submits the form, which returns the file data using svgEditor.uploadSVG
submit();
});
}
}
// Create the input elements
rebuildInput(open_svg_form);
rebuildInput(import_svg_form);
rebuildInput(import_img_form);
// Add forms to buttons
$("#tool_open").show().prepend(open_svg_form);
$("#tool_import").show().prepend(import_svg_form);
$("#tool_image").prepend(import_img_form);
}
});