217 lines
5 KiB
JavaScript
217 lines
5 KiB
JavaScript
/*
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* ext-imagelib.js
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*
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* Licensed under the Apache License, Version 2
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*
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* Copyright(c) 2010 Alexis Deveria
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*
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*/
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svgEditor.addExtension("imagelib", function() {
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var img_libs = [{
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name: 'Demo library (local)',
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url: 'extensions/imagelib/index.html',
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description: 'Demonstration library for SVG-edit on this server'
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},
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{
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name: 'IAN Symbol Libraries',
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url: 'http://ian.umces.edu/symbols/catalog/svgedit/album_chooser.php',
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description: 'Free library of 2300+ illustrations'
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}
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];
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var xlinkns = "http://www.w3.org/1999/xlink";
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function closeBrowser() {
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$('#imgbrowse_holder').hide();
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}
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function importImage(url) {
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var newImage = svgCanvas.addSvgElementFromJson({
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"element": "image",
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"attr": {
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"x": 0,
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"y": 0,
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"width": 0,
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"height": 0,
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"id": svgCanvas.getNextId(),
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"style": "pointer-events:inherit"
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}
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});
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svgCanvas.clearSelection();
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svgCanvas.addToSelection([newImage]);
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svgCanvas.setImageURL(url);
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}
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window.addEventListener("message", function(evt) {
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// Receive postMessage data
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var response = evt.data;
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if(!response) {
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$.alert('No data was given', closeBrowser);
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return;
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}
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var char1 = response.charAt(0);
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switch (char1) {
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case '<':
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svgCanvas.importSvgString(response);
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break;
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case 'd':
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if(response.indexOf('data:image/svg+xml') === 0) {
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var pre = 'data:image/svg+xml;base64,';
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var src = response.substring(pre.length);
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svgCanvas.importSvgString(svgCanvas.Utils.decode64(src));
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break;
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} else if(response.indexOf('data:image/') === 0) {
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importImage(response);
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break;
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}
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// Else fall through
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default:
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// TODO: See if there's a way to base64 encode the binary data stream
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// var str = 'data:;base64,' + svgCanvas.Utils.encode64(response, true);
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// Assume it's raw image data
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// importImage(str);
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$.alert('Unexpected data was returned: ' + response, closeBrowser);
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return;
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}
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closeBrowser();
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}, true);
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function showBrowser() {
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var browser = $('#imgbrowse');
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if(!browser.length) {
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$('<div id=imgbrowse_holder><div id=imgbrowse>\
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</div></div>').insertAfter('#svg_docprops');
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browser = $('#imgbrowse');
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var all_libs = 'Select an image library';
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var lib_opts = $('<ul id=imglib_opts>').appendTo(browser);
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var frame = $('<iframe/>').prependTo(browser).hide().wrap('<div>');
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var header = $('<h1>').prependTo(browser).text(all_libs);
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var cancel = $('<input type=button value=Cancel>').appendTo(browser).click(function() {
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$('#imgbrowse_holder').hide();
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}).css({
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position: 'absolute',
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top: 5,
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right: 5
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});
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var back = $('<input type=button value="Show libraries">').appendTo(browser).click(function() {
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frame.attr('src', 'about:blank').hide();
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lib_opts.show();
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header.text(all_libs);
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}).css({
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position: 'absolute',
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top: 5,
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left: 5
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});
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$.each(img_libs, function(i, opts) {
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$('<li>').appendTo(lib_opts).text(opts.name).click(function() {
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frame.attr('src', opts.url).show();
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header.text(opts.name);
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lib_opts.hide();
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}).append('<span>' + opts.description + '</span>');
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});
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} else {
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$('#imgbrowse_holder').show();
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}
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}
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return {
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svgicons: "extensions/ext-imagelib.xml",
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buttons: [{
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id: "tool_imagelib",
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type: "app_menu", // _flyout
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position: 4,
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title: "Image library",
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events: {
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"mouseup": showBrowser
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}
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}],
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callback: function() {
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$('<style>').text('\
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#imgbrowse_holder {\
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position: absolute;\
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top: 0;\
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left: 0;\
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width: 100%;\
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height: 100%;\
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background-color: rgba(0, 0, 0, .5);\
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z-index: 5;\
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}\
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\
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#imgbrowse {\
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position: absolute;\
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top: 25px;\
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left: 25px;\
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right: 25px;\
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bottom: 25px;\
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min-width: 300px;\
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min-height: 200px;\
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background: #B0B0B0;\
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border: 1px outset #777;\
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}\
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#imgbrowse h1 {\
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font-size: 20px;\
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margin: .4em;\
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text-align: center;\
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}\
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#imgbrowse > div,\
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#imgbrowse > ul {\
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position: absolute;\
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top: 36px;\
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left: 10px;\
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right: 10px;\
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bottom: 10px;\
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border: 1px solid #666;\
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background: white;\
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margin: 0;\
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padding: 0;\
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}\
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#imgbrowse > ul {\
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overflow: auto;\
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}\
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#imgbrowse li {\
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list-style: none;\
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padding: .5em;\
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background: #E8E8E8;\
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border-bottom: 1px solid #B0B0B0;\
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line-height: 1.2em;\
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font-style: sans-serif;\
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}\
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#imgbrowse li > span {\
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color: #666;\
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font-size: 15px;\
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display: block;\
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}\
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#imgbrowse li:hover {\
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background: #FFC;\
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cursor: pointer;\
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}\
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#imgbrowse iframe {\
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width: 100%;\
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height: 100%;\
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border: 0;\
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}\
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').appendTo('head');
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}
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}
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});
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