465 lines
11 KiB
JavaScript
465 lines
11 KiB
JavaScript
/*globals $, svgEditor, svgedit, svgCanvas, DOMParser*/
|
|
/*jslint vars: true, eqeq: true, es5: true, todo: true */
|
|
/*
|
|
* ext-imagelib.js
|
|
*
|
|
* Licensed under the MIT License
|
|
*
|
|
* Copyright(c) 2010 Alexis Deveria
|
|
*
|
|
*/
|
|
|
|
svgEditor.addExtension("imagelib", function() {'use strict';
|
|
|
|
var uiStrings = svgEditor.uiStrings;
|
|
|
|
$.extend(uiStrings, {
|
|
imagelib: {
|
|
select_lib: 'Select an image library',
|
|
show_list: 'Show library list',
|
|
import_single: 'Import single',
|
|
import_multi: 'Import multiple',
|
|
open: 'Open as new document'
|
|
}
|
|
});
|
|
|
|
var img_libs = [{
|
|
name: 'Demo library (local)',
|
|
url: svgEditor.curConfig.extPath + 'imagelib/index.html',
|
|
description: 'Demonstration library for SVG-edit on this server'
|
|
},
|
|
{
|
|
name: 'IAN Symbol Libraries',
|
|
url: 'http://ian.umces.edu/symbols/catalog/svgedit/album_chooser.php',
|
|
description: 'Free library of illustrations'
|
|
},
|
|
{
|
|
name: 'Openclipart',
|
|
url: 'http://openclipart.org/svgedit',
|
|
description: 'Share and Use Images. Over 50,000 Public Domain SVG Images and Growing.'
|
|
}
|
|
];
|
|
|
|
function closeBrowser() {
|
|
$('#imgbrowse_holder').hide();
|
|
}
|
|
|
|
function importImage(url) {
|
|
var newImage = svgCanvas.addSvgElementFromJson({
|
|
"element": "image",
|
|
"attr": {
|
|
"x": 0,
|
|
"y": 0,
|
|
"width": 0,
|
|
"height": 0,
|
|
"id": svgCanvas.getNextId(),
|
|
"style": "pointer-events:inherit"
|
|
}
|
|
});
|
|
svgCanvas.clearSelection();
|
|
svgCanvas.addToSelection([newImage]);
|
|
svgCanvas.setImageURL(url);
|
|
}
|
|
|
|
var mode = 's';
|
|
var multi_arr = [];
|
|
var tranfer_stopped = false;
|
|
var pending = {};
|
|
var preview, submit;
|
|
|
|
window.addEventListener("message", function(evt) {
|
|
// Receive postMessage data
|
|
var response = evt.data;
|
|
|
|
if (!response || typeof response !== "string") { // Todo: Should namespace postMessage API for this extension and filter out here
|
|
// Do nothing
|
|
return;
|
|
}
|
|
try { // This block can be removed if embedAPI moves away from a string to an object (if IE9 support not needed)
|
|
var res = JSON.parse(response);
|
|
if (res.namespace) { // Part of embedAPI communications
|
|
return;
|
|
}
|
|
}
|
|
catch (e) {}
|
|
|
|
var char1 = response.charAt(0);
|
|
var id;
|
|
var svg_str;
|
|
var img_str;
|
|
|
|
if (char1 != "{" && tranfer_stopped) {
|
|
tranfer_stopped = false;
|
|
return;
|
|
}
|
|
|
|
if (char1 == '|') {
|
|
var secondpos = response.indexOf('|', 1);
|
|
id = response.substr(1, secondpos-1);
|
|
response = response.substr(secondpos+1);
|
|
char1 = response.charAt(0);
|
|
}
|
|
|
|
|
|
// Hide possible transfer dialog box
|
|
$('#dialog_box').hide();
|
|
var entry, cur_meta;
|
|
switch (char1) {
|
|
case '{':
|
|
// Metadata
|
|
tranfer_stopped = false;
|
|
cur_meta = JSON.parse(response);
|
|
|
|
pending[cur_meta.id] = cur_meta;
|
|
|
|
var name = (cur_meta.name || 'file');
|
|
|
|
var message = uiStrings.notification.retrieving.replace('%s', name);
|
|
|
|
if (mode != 'm') {
|
|
$.process_cancel(message, function() {
|
|
tranfer_stopped = true;
|
|
// Should a message be sent back to the frame?
|
|
|
|
$('#dialog_box').hide();
|
|
});
|
|
} else {
|
|
entry = $('<div>' + message + '</div>').data('id', cur_meta.id);
|
|
preview.append(entry);
|
|
cur_meta.entry = entry;
|
|
}
|
|
|
|
return;
|
|
case '<':
|
|
svg_str = true;
|
|
break;
|
|
case 'd':
|
|
if (response.indexOf('data:image/svg+xml') === 0) {
|
|
var pre = 'data:image/svg+xml;base64,';
|
|
var src = response.substring(pre.length);
|
|
response = svgedit.utilities.decode64(src);
|
|
svg_str = true;
|
|
break;
|
|
} else if (response.indexOf('data:image/') === 0) {
|
|
img_str = true;
|
|
break;
|
|
}
|
|
// Else fall through
|
|
default:
|
|
// TODO: See if there's a way to base64 encode the binary data stream
|
|
// var str = 'data:;base64,' + svgedit.utilities.encode64(response, true);
|
|
|
|
// Assume it's raw image data
|
|
// importImage(str);
|
|
|
|
// Don't give warning as postMessage may have been used by something else
|
|
if (mode !== 'm') {
|
|
closeBrowser();
|
|
} else {
|
|
pending[id].entry.remove();
|
|
}
|
|
// $.alert('Unexpected data was returned: ' + response, function() {
|
|
// if (mode !== 'm') {
|
|
// closeBrowser();
|
|
// } else {
|
|
// pending[id].entry.remove();
|
|
// }
|
|
// });
|
|
return;
|
|
}
|
|
|
|
switch (mode) {
|
|
case 's':
|
|
// Import one
|
|
if (svg_str) {
|
|
svgCanvas.importSvgString(response);
|
|
} else if (img_str) {
|
|
importImage(response);
|
|
}
|
|
closeBrowser();
|
|
break;
|
|
case 'm':
|
|
// Import multiple
|
|
multi_arr.push([(svg_str ? 'svg' : 'img'), response]);
|
|
var title;
|
|
cur_meta = pending[id];
|
|
if (svg_str) {
|
|
if (cur_meta && cur_meta.name) {
|
|
title = cur_meta.name;
|
|
} else {
|
|
// Try to find a title
|
|
var xml = new DOMParser().parseFromString(response, 'text/xml').documentElement;
|
|
title = $(xml).children('title').first().text() || '(SVG #' + response.length + ')';
|
|
}
|
|
if (cur_meta) {
|
|
preview.children().each(function() {
|
|
if ($(this).data('id') == id) {
|
|
if (cur_meta.preview_url) {
|
|
$(this).html('<img src="' + cur_meta.preview_url + '">' + title);
|
|
} else {
|
|
$(this).text(title);
|
|
}
|
|
submit.removeAttr('disabled');
|
|
}
|
|
});
|
|
} else {
|
|
preview.append('<div>'+title+'</div>');
|
|
submit.removeAttr('disabled');
|
|
}
|
|
} else {
|
|
if (cur_meta && cur_meta.preview_url) {
|
|
title = cur_meta.name || '';
|
|
}
|
|
if (cur_meta && cur_meta.preview_url) {
|
|
entry = '<img src="' + cur_meta.preview_url + '">' + title;
|
|
} else {
|
|
entry = '<img src="' + response + '">';
|
|
}
|
|
|
|
if (cur_meta) {
|
|
preview.children().each(function() {
|
|
if ($(this).data('id') == id) {
|
|
$(this).html(entry);
|
|
submit.removeAttr('disabled');
|
|
}
|
|
});
|
|
} else {
|
|
preview.append($('<div>').append(entry));
|
|
submit.removeAttr('disabled');
|
|
}
|
|
|
|
}
|
|
break;
|
|
case 'o':
|
|
// Open
|
|
if (!svg_str) {break;}
|
|
svgEditor.openPrep(function(ok) {
|
|
if (!ok) {return;}
|
|
svgCanvas.clear();
|
|
svgCanvas.setSvgString(response);
|
|
// updateCanvas();
|
|
});
|
|
closeBrowser();
|
|
break;
|
|
}
|
|
}, true);
|
|
|
|
function toggleMulti(show) {
|
|
|
|
$('#lib_framewrap, #imglib_opts').css({right: (show ? 200 : 10)});
|
|
if (!preview) {
|
|
preview = $('<div id=imglib_preview>').css({
|
|
position: 'absolute',
|
|
top: 45,
|
|
right: 10,
|
|
width: 180,
|
|
bottom: 45,
|
|
background: '#fff',
|
|
overflow: 'auto'
|
|
}).insertAfter('#lib_framewrap');
|
|
|
|
submit = $('<button disabled>Import selected</button>')
|
|
.appendTo('#imgbrowse')
|
|
.on("click touchend", function() {
|
|
$.each(multi_arr, function(i) {
|
|
var type = this[0];
|
|
var data = this[1];
|
|
if (type == 'svg') {
|
|
svgCanvas.importSvgString(data);
|
|
} else {
|
|
importImage(data);
|
|
}
|
|
svgCanvas.moveSelectedElements(i*20, i*20, false);
|
|
});
|
|
preview.empty();
|
|
multi_arr = [];
|
|
$('#imgbrowse_holder').hide();
|
|
}).css({
|
|
position: 'absolute',
|
|
bottom: 10,
|
|
right: -10
|
|
});
|
|
|
|
}
|
|
|
|
preview.toggle(show);
|
|
submit.toggle(show);
|
|
}
|
|
|
|
function showBrowser() {
|
|
|
|
var browser = $('#imgbrowse');
|
|
if (!browser.length) {
|
|
$('<div id=imgbrowse_holder><div id=imgbrowse class=toolbar_button>\
|
|
</div></div>').insertAfter('#svg_docprops');
|
|
browser = $('#imgbrowse');
|
|
|
|
var all_libs = uiStrings.imagelib.select_lib;
|
|
|
|
var lib_opts = $('<ul id=imglib_opts>').appendTo(browser);
|
|
var frame = $('<iframe/>').prependTo(browser).hide().wrap('<div id=lib_framewrap>');
|
|
|
|
var header = $('<h1>').prependTo(browser).text(all_libs).css({
|
|
position: 'absolute',
|
|
top: 0,
|
|
left: 0,
|
|
width: '100%'
|
|
});
|
|
|
|
var cancel = $('<button>' + uiStrings.common.cancel + '</button>')
|
|
.appendTo(browser)
|
|
.on("click touchend", function() {
|
|
$('#imgbrowse_holder').hide();
|
|
}).css({
|
|
position: 'absolute',
|
|
top: 5,
|
|
right: -10
|
|
});
|
|
|
|
var leftBlock = $('<span>').css({position:'absolute',top:5,left:10}).appendTo(browser);
|
|
|
|
var back = $('<button hidden>' + uiStrings.imagelib.show_list + '</button>')
|
|
.appendTo(leftBlock)
|
|
.on("click touchend", function() {
|
|
frame.attr('src', 'about:blank').hide();
|
|
lib_opts.show();
|
|
header.text(all_libs);
|
|
back.hide();
|
|
}).css({
|
|
'margin-right': 5
|
|
}).hide();
|
|
|
|
var type = $('<select><option value=s>' +
|
|
uiStrings.imagelib.import_single + '</option><option value=m>' +
|
|
uiStrings.imagelib.import_multi + '</option><option value=o>' +
|
|
uiStrings.imagelib.open + '</option></select>').appendTo(leftBlock).change(function() {
|
|
mode = $(this).val();
|
|
switch (mode) {
|
|
case 's':
|
|
case 'o':
|
|
toggleMulti(false);
|
|
break;
|
|
|
|
case 'm':
|
|
// Import multiple
|
|
toggleMulti(true);
|
|
break;
|
|
}
|
|
}).css({
|
|
'margin-top': 10
|
|
});
|
|
|
|
cancel.prepend($.getSvgIcon('cancel', true));
|
|
back.prepend($.getSvgIcon('tool_imagelib', true));
|
|
|
|
$.each(img_libs, function(i, opts) {
|
|
$('<li>')
|
|
.appendTo(lib_opts)
|
|
.text(opts.name)
|
|
.on("click touchend", function() {
|
|
frame.attr('src', opts.url).show();
|
|
header.text(opts.name);
|
|
lib_opts.hide();
|
|
back.show();
|
|
}).append('<span>' + opts.description + '</span>');
|
|
});
|
|
|
|
} else {
|
|
$('#imgbrowse_holder').show();
|
|
}
|
|
}
|
|
|
|
return {
|
|
svgicons: svgEditor.curConfig.extPath + "ext-imagelib.xml",
|
|
buttons: [{
|
|
id: "tool_imagelib",
|
|
type: "app_menu", // _flyout
|
|
position: 4,
|
|
title: "Image library",
|
|
events: {
|
|
"mouseup": showBrowser
|
|
}
|
|
}],
|
|
callback: function() {
|
|
|
|
$('<style>').text('\
|
|
#imgbrowse_holder {\
|
|
position: absolute;\
|
|
top: 0;\
|
|
left: 0;\
|
|
width: 100%;\
|
|
height: 100%;\
|
|
background-color: rgba(0, 0, 0, .5);\
|
|
z-index: 5;\
|
|
}\
|
|
\
|
|
#imgbrowse {\
|
|
position: absolute;\
|
|
top: 25px;\
|
|
left: 25px;\
|
|
right: 25px;\
|
|
bottom: 25px;\
|
|
min-width: 300px;\
|
|
min-height: 200px;\
|
|
background: #B0B0B0;\
|
|
border: 1px outset #777;\
|
|
}\
|
|
#imgbrowse h1 {\
|
|
font-size: 20px;\
|
|
margin: .4em;\
|
|
text-align: center;\
|
|
}\
|
|
#lib_framewrap,\
|
|
#imgbrowse > ul {\
|
|
position: absolute;\
|
|
top: 45px;\
|
|
left: 10px;\
|
|
right: 10px;\
|
|
bottom: 10px;\
|
|
background: white;\
|
|
margin: 0;\
|
|
padding: 0;\
|
|
}\
|
|
#imgbrowse > ul {\
|
|
overflow: auto;\
|
|
}\
|
|
#imgbrowse > div {\
|
|
border: 1px solid #666;\
|
|
}\
|
|
#imglib_preview > div {\
|
|
padding: 5px;\
|
|
font-size: 12px;\
|
|
}\
|
|
#imglib_preview img {\
|
|
display: block;\
|
|
margin: 0 auto;\
|
|
max-height: 100px;\
|
|
}\
|
|
#imgbrowse li {\
|
|
list-style: none;\
|
|
padding: .5em;\
|
|
background: #E8E8E8;\
|
|
border-bottom: 1px solid #B0B0B0;\
|
|
line-height: 1.2em;\
|
|
font-style: sans-serif;\
|
|
}\
|
|
#imgbrowse li > span {\
|
|
color: #666;\
|
|
font-size: 15px;\
|
|
display: block;\
|
|
}\
|
|
#imgbrowse li:hover {\
|
|
background: #FFC;\
|
|
cursor: pointer;\
|
|
}\
|
|
#imgbrowse iframe {\
|
|
width: 100%;\
|
|
height: 100%;\
|
|
border: 0;\
|
|
}\
|
|
').appendTo('head');
|
|
}
|
|
};
|
|
});
|
|
|