mirror of
https://github.com/pierre42100/comunic
synced 2024-11-23 13:59:30 +00:00
465 lines
11 KiB
JavaScript
Executable File
465 lines
11 KiB
JavaScript
Executable File
/*globals $, svgEditor, svgedit, svgCanvas, DOMParser*/
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/*jslint vars: true, eqeq: true, es5: true, todo: true */
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/*
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* ext-imagelib.js
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*
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* Licensed under the MIT License
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*
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* Copyright(c) 2010 Alexis Deveria
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*
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*/
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svgEditor.addExtension("imagelib", function() {'use strict';
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var uiStrings = svgEditor.uiStrings;
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$.extend(uiStrings, {
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imagelib: {
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select_lib: 'Select an image library',
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show_list: 'Show library list',
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import_single: 'Import single',
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import_multi: 'Import multiple',
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open: 'Open as new document'
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}
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});
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var img_libs = [{
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name: 'Demo library (local)',
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url: svgEditor.curConfig.extPath + '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: 'https://ian.umces.edu/symbols/catalog/svgedit/album_chooser.php',
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description: 'Free library of illustrations'
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},
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{
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name: 'Openclipart',
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url: 'https://openclipart.org/svgedit',
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description: 'Share and Use Images. Over 50,000 Public Domain SVG Images and Growing.'
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}
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];
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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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var mode = 's';
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var multi_arr = [];
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var tranfer_stopped = false;
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var pending = {};
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var preview, submit;
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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 || typeof response !== "string") { // Todo: Should namespace postMessage API for this extension and filter out here
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// Do nothing
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return;
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}
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try { // This block can be removed if embedAPI moves away from a string to an object (if IE9 support not needed)
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var res = JSON.parse(response);
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if (res.namespace) { // Part of embedAPI communications
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return;
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}
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}
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catch (e) {}
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var char1 = response.charAt(0);
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var id;
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var svg_str;
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var img_str;
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if (char1 != "{" && tranfer_stopped) {
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tranfer_stopped = false;
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return;
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}
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if (char1 == '|') {
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var secondpos = response.indexOf('|', 1);
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id = response.substr(1, secondpos-1);
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response = response.substr(secondpos+1);
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char1 = response.charAt(0);
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}
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// Hide possible transfer dialog box
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$('#dialog_box').hide();
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var entry, cur_meta;
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switch (char1) {
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case '{':
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// Metadata
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tranfer_stopped = false;
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cur_meta = JSON.parse(response);
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pending[cur_meta.id] = cur_meta;
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var name = (cur_meta.name || 'file');
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var message = uiStrings.notification.retrieving.replace('%s', name);
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if (mode != 'm') {
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$.process_cancel(message, function() {
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tranfer_stopped = true;
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// Should a message be sent back to the frame?
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$('#dialog_box').hide();
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});
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} else {
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entry = $('<div>' + message + '</div>').data('id', cur_meta.id);
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preview.append(entry);
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cur_meta.entry = entry;
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}
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return;
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case '<':
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svg_str = true;
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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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response = svgedit.utilities.decode64(src);
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svg_str = true;
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break;
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} else if (response.indexOf('data:image/') === 0) {
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img_str = true;
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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,' + svgedit.utilities.encode64(response, true);
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// Assume it's raw image data
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// importImage(str);
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// Don't give warning as postMessage may have been used by something else
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if (mode !== 'm') {
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closeBrowser();
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} else {
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pending[id].entry.remove();
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}
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// $.alert('Unexpected data was returned: ' + response, function() {
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// if (mode !== 'm') {
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// closeBrowser();
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// } else {
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// pending[id].entry.remove();
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// }
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// });
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return;
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}
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switch (mode) {
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case 's':
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// Import one
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if (svg_str) {
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svgCanvas.importSvgString(response);
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} else if (img_str) {
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importImage(response);
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}
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closeBrowser();
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break;
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case 'm':
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// Import multiple
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multi_arr.push([(svg_str ? 'svg' : 'img'), response]);
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var title;
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cur_meta = pending[id];
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if (svg_str) {
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if (cur_meta && cur_meta.name) {
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title = cur_meta.name;
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} else {
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// Try to find a title
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var xml = new DOMParser().parseFromString(response, 'text/xml').documentElement;
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title = $(xml).children('title').first().text() || '(SVG #' + response.length + ')';
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}
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if (cur_meta) {
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preview.children().each(function() {
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if ($(this).data('id') == id) {
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if (cur_meta.preview_url) {
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$(this).html('<img src="' + cur_meta.preview_url + '">' + title);
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} else {
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$(this).text(title);
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}
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submit.removeAttr('disabled');
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}
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});
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} else {
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preview.append('<div>'+title+'</div>');
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submit.removeAttr('disabled');
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}
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} else {
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if (cur_meta && cur_meta.preview_url) {
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title = cur_meta.name || '';
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}
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if (cur_meta && cur_meta.preview_url) {
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entry = '<img src="' + cur_meta.preview_url + '">' + title;
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} else {
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entry = '<img src="' + response + '">';
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}
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if (cur_meta) {
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preview.children().each(function() {
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if ($(this).data('id') == id) {
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$(this).html(entry);
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submit.removeAttr('disabled');
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}
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});
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} else {
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preview.append($('<div>').append(entry));
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submit.removeAttr('disabled');
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}
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}
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break;
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case 'o':
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// Open
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if (!svg_str) {break;}
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svgEditor.openPrep(function(ok) {
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if (!ok) {return;}
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svgCanvas.clear();
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svgCanvas.setSvgString(response);
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// updateCanvas();
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});
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closeBrowser();
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break;
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}
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}, true);
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function toggleMulti(show) {
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$('#lib_framewrap, #imglib_opts').css({right: (show ? 200 : 10)});
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if (!preview) {
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preview = $('<div id=imglib_preview>').css({
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position: 'absolute',
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top: 45,
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right: 10,
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width: 180,
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bottom: 45,
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background: '#fff',
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overflow: 'auto'
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}).insertAfter('#lib_framewrap');
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submit = $('<button disabled>Import selected</button>')
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.appendTo('#imgbrowse')
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.on("click touchend", function() {
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$.each(multi_arr, function(i) {
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var type = this[0];
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var data = this[1];
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if (type == 'svg') {
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svgCanvas.importSvgString(data);
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} else {
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importImage(data);
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}
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svgCanvas.moveSelectedElements(i*20, i*20, false);
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});
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preview.empty();
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multi_arr = [];
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$('#imgbrowse_holder').hide();
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}).css({
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position: 'absolute',
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bottom: 10,
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right: -10
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});
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}
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preview.toggle(show);
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submit.toggle(show);
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}
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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 class=toolbar_button>\
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</div></div>').insertAfter('#svg_docprops');
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browser = $('#imgbrowse');
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var all_libs = uiStrings.imagelib.select_lib;
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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 id=lib_framewrap>');
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var header = $('<h1>').prependTo(browser).text(all_libs).css({
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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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});
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var cancel = $('<button>' + uiStrings.common.cancel + '</button>')
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.appendTo(browser)
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.on("click touchend", function() {
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$('#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: -10
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});
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var leftBlock = $('<span>').css({position:'absolute',top:5,left:10}).appendTo(browser);
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var back = $('<button hidden>' + uiStrings.imagelib.show_list + '</button>')
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.appendTo(leftBlock)
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.on("click touchend", 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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back.hide();
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}).css({
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'margin-right': 5
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}).hide();
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var type = $('<select><option value=s>' +
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uiStrings.imagelib.import_single + '</option><option value=m>' +
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uiStrings.imagelib.import_multi + '</option><option value=o>' +
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uiStrings.imagelib.open + '</option></select>').appendTo(leftBlock).change(function() {
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mode = $(this).val();
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switch (mode) {
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case 's':
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case 'o':
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toggleMulti(false);
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break;
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case 'm':
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// Import multiple
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toggleMulti(true);
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break;
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}
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}).css({
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'margin-top': 10
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});
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cancel.prepend($.getSvgIcon('cancel', true));
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back.prepend($.getSvgIcon('tool_imagelib', true));
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$.each(img_libs, function(i, opts) {
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$('<li>')
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.appendTo(lib_opts)
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.text(opts.name)
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.on("click touchend", function() {
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frame.attr('src', opts.url).show();
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header.text(opts.name);
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lib_opts.hide();
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back.show();
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}).append('<span>' + opts.description + '</span>');
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});
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} else {
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$('#imgbrowse_holder').show();
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}
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}
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return {
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svgicons: svgEditor.curConfig.extPath + "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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#lib_framewrap,\
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#imgbrowse > ul {\
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position: absolute;\
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top: 45px;\
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left: 10px;\
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right: 10px;\
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bottom: 10px;\
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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 > div {\
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border: 1px solid #666;\
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}\
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#imglib_preview > div {\
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padding: 5px;\
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font-size: 12px;\
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}\
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#imglib_preview img {\
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display: block;\
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margin: 0 auto;\
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max-height: 100px;\
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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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