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define([
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'jquery',
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'/bower_components/chainpad-crypto/crypto.js',
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'/bower_components/textpatcher/TextPatcher.js',
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'/common/toolbar3.js',
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'json.sortify',
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'/bower_components/chainpad-json-validator/json-ot.js',
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'/common/cryptpad-common.js',
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'/common/cryptget.js',
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'/bower_components/nthen/index.js',
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'/common/sframe-common.js',
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'/api/config',
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'/common/common-realtime.js',
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'/customize/pages.js',
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'/customize/application_config.js',
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'/common/common-thumbnail.js',
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'/whiteboard/colors.js',
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'/bower_components/secure-fabric.js/dist/fabric.min.js',
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'/bower_components/file-saver/FileSaver.min.js',
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'css!/bower_components/bootstrap/dist/css/bootstrap.min.css',
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'less!/bower_components/components-font-awesome/css/font-awesome.min.css',
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'less!/customize/src/less2/main.less',
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], function (
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$,
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Crypto,
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TextPatcher,
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Toolbar,
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JSONSortify,
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JsonOT,
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Cryptpad,
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Cryptget,
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nThen,
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SFCommon,
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ApiConfig,
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CommonRealtime,
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Pages,
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AppConfig,
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Thumb,
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Colors)
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{
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var saveAs = window.saveAs;
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var Messages = Cryptpad.Messages;
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var APP = window.APP = {
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Cryptpad: Cryptpad,
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$: $
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};
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var Fabric = APP.Fabric = window.fabric;
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var stringify = function (obj) {
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return JSONSortify(obj);
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};
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var toolbar;
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var onConnectError = function () {
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Cryptpad.errorLoadingScreen(Messages.websocketError);
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};
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var andThen = function (common) {
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var config = {};
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/* Initialize Fabric */
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var canvas = APP.canvas = new Fabric.Canvas('cp-app-whiteboard-canvas', {
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containerClass: 'cp-app-whiteboard-canvas-container'
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});
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var $canvas = $('canvas');
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var $controls = $('#cp-app-whiteboard-controls');
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var $canvasContainer = $('canvas').parents('.cp-app-whiteboard-canvas-container');
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var $pickers = $('#cp-app-whiteboard-pickers');
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var $colors = $('#cp-app-whiteboard-colors');
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var $cursors = $('#cp-app-whiteboard-cursors');
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var $deleteButton = $('#cp-app-whiteboard-delete');
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var $toggle = $('#cp-app-whiteboard-toggledraw');
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var $width = $('#cp-app-whiteboard-width');
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var $widthLabel = $('label[for="cp-app-whiteboard-width"]');
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var $opacity = $('#cp-app-whiteboard-opacity');
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var $opacityLabel = $('label[for="cp-app-whiteboard-opacity"]');
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// Brush
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var readOnly = false;
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var brush = {
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color: '#000000',
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opacity: 1
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};
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var createCursor = function () {
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var w = canvas.freeDrawingBrush.width;
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var c = canvas.freeDrawingBrush.color;
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var size = w > 30 ? w+2 : w+32;
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$cursors.html('<canvas width="'+size+'" height="'+size+'"></canvas>');
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var $ccanvas = $cursors.find('canvas');
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var ccanvas = $ccanvas[0];
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var ctx = ccanvas.getContext('2d');
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var centerX = size / 2;
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var centerY = size / 2;
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var radius = w/2;
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ctx.beginPath();
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ctx.arc(centerX, centerY, radius, 0, 2 * Math.PI, false);
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ctx.fillStyle = c;
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ctx.fill();
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ctx.lineWidth = 1;
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ctx.strokeStyle = brush.color;
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ctx.stroke();
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ctx.beginPath();
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ctx.moveTo(size/2, 0); ctx.lineTo(size/2, 10);
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ctx.moveTo(size/2, size); ctx.lineTo(size/2, size-10);
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ctx.moveTo(0, size/2); ctx.lineTo(10, size/2);
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ctx.moveTo(size, size/2); ctx.lineTo(size-10, size/2);
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ctx.strokeStyle = '#000000';
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ctx.stroke();
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var img = ccanvas.toDataURL("image/png");
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$controls.find('.cp-app-whiteboard-selected > img').attr('src', img);
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canvas.freeDrawingCursor = 'url('+img+') '+size/2+' '+size/2+', crosshair';
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};
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var updateBrushWidth = function () {
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var val = $width.val();
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canvas.freeDrawingBrush.width = Number(val);
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$widthLabel.text(Cryptpad.Messages._getKey("canvas_widthLabel", [val]));
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$('#cp-app-whiteboard-width-val').text(val + 'px');
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createCursor();
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};
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updateBrushWidth();
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$width.on('change', updateBrushWidth);
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var updateBrushOpacity = function () {
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var val = $opacity.val();
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brush.opacity = Number(val);
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canvas.freeDrawingBrush.color = Colors.hex2rgba(brush.color, brush.opacity);
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$opacityLabel.text(Cryptpad.Messages._getKey("canvas_opacityLabel", [val]));
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$('#cp-app-whiteboard-opacity-val').text((Number(val) * 100) + '%');
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createCursor();
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};
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updateBrushOpacity();
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$opacity.on('change', updateBrushOpacity);
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var pickColor = function (current, cb) {
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var $picker = $('<input>', {
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type: 'color',
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value: '#FFFFFF',
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})
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.on('change', function () {
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var color = this.value;
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cb(color);
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}).appendTo($pickers);
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setTimeout(function () {
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$picker.val(current);
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$picker.click();
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});
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};
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var setColor = function (c) {
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c = Colors.rgb2hex(c);
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brush.color = c;
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canvas.freeDrawingBrush.color = Colors.hex2rgba(brush.color, brush.opacity);
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APP.$color.css({
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'color': c,
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});
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createCursor();
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};
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var palette = AppConfig.whiteboardPalette || [
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'red', 'blue', 'green', 'white', 'black', 'purple',
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'gray', 'beige', 'brown', 'cyan', 'darkcyan', 'gold', 'yellow', 'pink'
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];
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$('.cp-app-whiteboard-palette-color').on('click', function () {
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var color = $(this).css('background-color');
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setColor(color);
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});
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APP.draw = true;
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var toggleDrawMode = function () {
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canvas.deactivateAll().renderAll();
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APP.draw = !APP.draw;
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canvas.isDrawingMode = APP.draw;
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$toggle.text(APP.draw ? Messages.canvas_disable : Messages.canvas_enable);
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if (APP.draw) { $deleteButton.hide(); }
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else { $deleteButton.show(); }
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};
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$toggle.click(toggleDrawMode);
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var deleteSelection = function () {
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if (canvas.getActiveObject()) {
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canvas.getActiveObject().remove();
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}
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if (canvas.getActiveGroup()) {
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canvas.getActiveGroup()._objects.forEach(function (el) {
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el.remove();
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});
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canvas.discardActiveGroup();
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}
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canvas.renderAll();
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config.onLocal();
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};
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$deleteButton.click(deleteSelection);
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$(window).on('keyup', function (e) {
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if (e.which === 46) { deleteSelection (); }
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});
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var setEditable = function (bool) {
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if (readOnly && bool) { return; }
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if (bool) { $controls.css('display', 'flex'); }
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else { $controls.hide(); }
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canvas.isDrawingMode = bool ? APP.draw : false;
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if (!bool) {
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canvas.deactivateAll();
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canvas.renderAll();
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}
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canvas.forEachObject(function (object) {
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object.selectable = bool;
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});
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$canvasContainer.find('canvas').css('border-color', bool? 'black': 'red');
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};
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var saveImage = APP.saveImage = function () {
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var defaultName = "pretty-picture.png";
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Cryptpad.prompt(Messages.exportPrompt, defaultName, function (filename) {
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if (!(typeof(filename) === 'string' && filename)) { return; }
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$canvas[0].toBlob(function (blob) {
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saveAs(blob, filename);
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});
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});
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};
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APP.FM = common.createFileManager({});
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APP.upload = function (title) {
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var canvas = $canvas[0];
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APP.canvas.deactivateAll().renderAll();
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var finish = function (thumb) {
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canvas.toBlob(function (blob) {
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blob.name = title;
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APP.FM.handleFile(blob, void 0, thumb);
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});
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};
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Thumb.fromCanvas(canvas, function (e, blob) {
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// carry on even if you can't get a thumbnail
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if (e) { console.error(e); }
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finish(blob);
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});
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};
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var initializing = true;
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var $bar = $('#cp-toolbar');
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var Title;
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var cpNfInner;
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var metadataMgr;
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config = {
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readOnly: readOnly,
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transformFunction: JsonOT.validate,
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// cryptpad debug logging (default is 1)
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// logLevel: 0,
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validateContent: function (content) {
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try {
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JSON.parse(content);
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return true;
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} catch (e) {
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console.log("Failed to parse, rejecting patch");
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return false;
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}
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}
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};
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var addColorToPalette = function (color, i) {
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if (readOnly) { return; }
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var $color = $('<span>', {
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'class': 'cp-app-whiteboard-palette-color',
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})
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.css({
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'background-color': color,
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})
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.click(function () {
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var c = Colors.rgb2hex($color.css('background-color'));
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setColor(c);
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})
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.on('dblclick', function (e) {
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e.preventDefault();
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pickColor(Colors.rgb2hex($color.css('background-color')), function (c) {
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$color.css({
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'background-color': c,
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});
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palette.splice(i, 1, c);
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APP.updateLocalPalette(palette);
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setColor(c);
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});
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});
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$colors.append($color);
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};
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var first = true;
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var updatePalette = function (newPalette) {
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if (first || stringify(palette) !== stringify(newPalette)) {
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palette = newPalette;
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$colors.html('<div class="hidden"> </div>');
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palette.forEach(addColorToPalette);
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first = false;
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}
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};
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var updateLocalPalette = APP.updateLocalPalette = function (newPalette) {
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updatePalette(newPalette);
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var metadata = JSON.parse(JSON.stringify(metadataMgr.getMetadata()));
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metadata.palette = newPalette;
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metadataMgr.updateMetadata(metadata);
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config.onLocal();
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};
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var makeColorButton = function ($container) {
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var $testColor = $('<input>', { type: 'color', value: '!' });
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// if colors aren't supported, bail out
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if ($testColor.attr('type') !== 'color' ||
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$testColor.val() === '!') {
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console.log("Colors aren't supported. Aborting");
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return;
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}
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var $color = APP.$color = $('<button>', {
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id: "cp-app-whiteboard-color-picker",
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title: Messages.canvas_chooseColor,
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'class': "fa fa-square cp-toolbar-rightside-button",
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})
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.on('click', function () {
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pickColor($color.css('background-color'), function (color) {
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setColor(color);
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});
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});
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setColor('#000');
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$container.append($color);
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return $color;
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};
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var stringifyInner = function (textValue) {
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var obj = {
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content: textValue,
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metadata: metadataMgr.getMetadataLazy()
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};
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// stringify the json and send it into chainpad
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return stringify(obj);
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};
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var onLocal = config.onLocal = function () {
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if (initializing) { return; }
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if (readOnly) { return; }
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var content = stringifyInner(canvas.toDatalessJSON());
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APP.patchText(content);
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};
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var blobURLToImage = function (url, cb) {
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var xhr = new XMLHttpRequest();
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xhr.onload = function() {
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var reader = new FileReader();
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reader.onloadend = function() {
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cb(reader.result);
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};
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reader.readAsDataURL(xhr.response);
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};
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xhr.open('GET', url);
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xhr.responseType = 'blob';
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xhr.send();
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};
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var addImageToCanvas = function (img) {
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var w = img.width;
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var h = img.height;
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if (w<h) {
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img.width = img.width * (300/img.height);
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img.height = 300;
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} else {
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img.height = img.height * (300/img.width);
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img.width = 300;
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}
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var cImg = new Fabric.Image(img, { left:0, top:0, angle:0, });
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APP.canvas.add(cImg);
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onLocal();
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};
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config.onInit = function (info) {
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updateLocalPalette(palette);
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readOnly = metadataMgr.getPrivateData().readOnly;
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Title = common.createTitle({});
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var configTb = {
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displayed: ['title', 'useradmin', 'spinner', 'share', 'userlist', 'newpad', 'limit'],
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title: Title.getTitleConfig(),
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metadataMgr: metadataMgr,
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readOnly: readOnly,
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realtime: info.realtime,
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common: Cryptpad,
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sfCommon: common,
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$container: $bar,
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$contentContainer: $('#cp-app-whiteboard-canvas-area')
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};
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toolbar = APP.toolbar = Toolbar.create(configTb);
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Title.setToolbar(toolbar);
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var $rightside = toolbar.$rightside;
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/* save as template */
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if (!metadataMgr.getPrivateData().isTemplate) {
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var templateObj = {
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rt: info.realtime,
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getTitle: function () { return metadataMgr.getMetadata().title; }
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};
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var $templateButton = common.createButton('template', true, templateObj);
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$rightside.append($templateButton);
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}
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|
/* add an export button */
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|
var $export = common.createButton('export', true, {}, saveImage);
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|
$rightside.append($export);
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|
if (common.isLoggedIn()) {
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common.createButton('savetodrive', true, {}, function () {})
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|
.click(function () {
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Cryptpad.prompt(Messages.exportPrompt, document.title + '.png',
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|
function (name) {
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|
if (name === null || !name.trim()) { return; }
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|
APP.upload(name);
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|
});
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|
}).appendTo($rightside);
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|
}
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|
var $forget = common.createButton('forget', true, {}, function (err) {
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|
if (err) { return; }
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|
setEditable(false);
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|
});
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|
$rightside.append($forget);
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|
common.createButton('hashtag', true).appendTo($rightside);
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|
if (!readOnly) {
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|
makeColorButton($rightside);
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|
|
|
|
|
// Embed image
|
|
|
var onUpload = function (e) {
|
|
|
var file = e.target.files[0];
|
|
|
var reader = new FileReader();
|
|
|
reader.onload = function () {
|
|
|
var img = new Image();
|
|
|
img.onload = function () {
|
|
|
addImageToCanvas(img);
|
|
|
};
|
|
|
img.src = reader.result;
|
|
|
};
|
|
|
reader.readAsDataURL(file);
|
|
|
};
|
|
|
common.createButton('', true)
|
|
|
.attr('title', Messages.canvas_imageEmbed)
|
|
|
.removeClass('fa-question').addClass('fa-file-image-o')
|
|
|
.click(function () {
|
|
|
$('<input>', {type:'file'}).on('change', onUpload).click();
|
|
|
}).appendTo($rightside);
|
|
|
var fileDialogCfg = {
|
|
|
onSelect: function (data) {
|
|
|
if (data.type === 'file') {
|
|
|
var mt = '<media-tag src="' + data.src + '" data-crypto-key="cryptpad:' + data.key + '"></media-tag>';
|
|
|
common.displayMediatagImage($(mt), function (err, $image) {
|
|
|
blobURLToImage($image.attr('src'), function (imgSrc) {
|
|
|
var img = new Image();
|
|
|
img.onload = function () { addImageToCanvas(img); };
|
|
|
img.src = imgSrc;
|
|
|
});
|
|
|
});
|
|
|
return;
|
|
|
}
|
|
|
}
|
|
|
};
|
|
|
common.initFilePicker(fileDialogCfg);
|
|
|
APP.$mediaTagButton = $('<button>', {
|
|
|
title: Messages.filePickerButton,
|
|
|
'class': 'cp-toolbar-rightside-button fa fa-picture-o',
|
|
|
style: 'font-size: 17px'
|
|
|
}).click(function () {
|
|
|
var pickerCfg = {
|
|
|
types: ['file'],
|
|
|
where: ['root'],
|
|
|
filter: {
|
|
|
fileType: ['image/']
|
|
|
}
|
|
|
};
|
|
|
common.openFilePicker(pickerCfg);
|
|
|
}).appendTo($rightside);
|
|
|
}
|
|
|
|
|
|
metadataMgr.onChange(function () {
|
|
|
var md = metadataMgr.getMetadata();
|
|
|
if (md.palette) {
|
|
|
updateLocalPalette(md.palette);
|
|
|
}
|
|
|
});
|
|
|
};
|
|
|
|
|
|
config.onReady = function (info) {
|
|
|
if (APP.realtime !== info.realtime) {
|
|
|
var realtime = APP.realtime = info.realtime;
|
|
|
APP.patchText = TextPatcher.create({
|
|
|
realtime: realtime,
|
|
|
//logging: true
|
|
|
});
|
|
|
}
|
|
|
|
|
|
var userDoc = APP.realtime.getUserDoc();
|
|
|
var isNew = false;
|
|
|
var newDoc = '';
|
|
|
if (userDoc === "" || userDoc === "{}") { isNew = true; }
|
|
|
|
|
|
if (userDoc !== "") {
|
|
|
var hjson = JSON.parse(userDoc);
|
|
|
|
|
|
if (hjson && hjson.metadata) {
|
|
|
metadataMgr.updateMetadata(hjson.metadata);
|
|
|
}
|
|
|
if (typeof (hjson) !== 'object' || Array.isArray(hjson) ||
|
|
|
(hjson.metadata && typeof(hjson.metadata.type) !== 'undefined' &&
|
|
|
hjson.metadata.type !== 'whiteboard')) {
|
|
|
var errorText = Messages.typeError;
|
|
|
Cryptpad.errorLoadingScreen(errorText);
|
|
|
throw new Error(errorText);
|
|
|
}
|
|
|
newDoc = hjson.content;
|
|
|
} else {
|
|
|
Title.updateTitle(Cryptpad.initialName || Title.defaultTitle);
|
|
|
}
|
|
|
|
|
|
nThen(function (waitFor) {
|
|
|
if (newDoc) {
|
|
|
canvas.loadFromJSON(newDoc, waitFor(function () {
|
|
|
console.log('loaded');
|
|
|
canvas.renderAll();
|
|
|
}));
|
|
|
}
|
|
|
}).nThen(function () {
|
|
|
setEditable(!readOnly);
|
|
|
initializing = false;
|
|
|
config.onLocal();
|
|
|
Cryptpad.removeLoadingScreen();
|
|
|
if (readOnly) { return; }
|
|
|
if (isNew) {
|
|
|
common.openTemplatePicker();
|
|
|
}
|
|
|
});
|
|
|
|
|
|
};
|
|
|
|
|
|
config.onRemote = function () {
|
|
|
if (initializing) { return; }
|
|
|
var userDoc = APP.realtime.getUserDoc();
|
|
|
|
|
|
var json = JSON.parse(userDoc);
|
|
|
var remoteDoc = json.content;
|
|
|
|
|
|
canvas.loadFromJSON(remoteDoc, function () {
|
|
|
canvas.renderAll();
|
|
|
if (json.metadata) {
|
|
|
metadataMgr.updateMetadata(json.metadata);
|
|
|
}
|
|
|
});
|
|
|
|
|
|
var content = canvas.toDatalessJSON();
|
|
|
if (content !== remoteDoc) { common.notify(); }
|
|
|
if (readOnly) { setEditable(false); }
|
|
|
};
|
|
|
|
|
|
config.onAbort = function () {
|
|
|
// inform of network disconnect
|
|
|
setEditable(false);
|
|
|
toolbar.failed();
|
|
|
Cryptpad.alert(Messages.common_connectionLost, undefined, true);
|
|
|
};
|
|
|
|
|
|
config.onConnectionChange = function (info) {
|
|
|
setEditable(info.state);
|
|
|
if (info.state) {
|
|
|
initializing = true;
|
|
|
Cryptpad.findOKButton().click();
|
|
|
} else {
|
|
|
Cryptpad.alert(Messages.common_connectionLost, undefined, true);
|
|
|
}
|
|
|
};
|
|
|
|
|
|
config.onError = onConnectError;
|
|
|
|
|
|
cpNfInner = common.startRealtime(config);
|
|
|
metadataMgr = cpNfInner.metadataMgr;
|
|
|
|
|
|
cpNfInner.onInfiniteSpinner(function () {
|
|
|
setEditable(false);
|
|
|
Cryptpad.confirm(Messages.realtime_unrecoverableError, function (yes) {
|
|
|
if (!yes) { return; }
|
|
|
common.gotoURL();
|
|
|
});
|
|
|
});
|
|
|
|
|
|
canvas.on('mouse:up', onLocal);
|
|
|
|
|
|
$('#cp-app-whiteboard-clear').on('click', function () {
|
|
|
canvas.clear();
|
|
|
onLocal();
|
|
|
});
|
|
|
|
|
|
$('#save').on('click', function () {
|
|
|
saveImage();
|
|
|
});
|
|
|
|
|
|
Cryptpad.onLogout(function () { setEditable(false); });
|
|
|
};
|
|
|
|
|
|
var main = function () {
|
|
|
var common;
|
|
|
|
|
|
nThen(function (waitFor) {
|
|
|
$(waitFor(function () {
|
|
|
Cryptpad.addLoadingScreen();
|
|
|
var $div = $('<div>').append(Pages['/whiteboard/']());
|
|
|
$('body').append($div.html());
|
|
|
}));
|
|
|
SFCommon.create(waitFor(function (c) { APP.common = common = c; }));
|
|
|
}).nThen(function (/*waitFor*/) {
|
|
|
Cryptpad.onError(function (info) {
|
|
|
if (info && info.type === "store") {
|
|
|
onConnectError();
|
|
|
}
|
|
|
});
|
|
|
andThen(common);
|
|
|
});
|
|
|
};
|
|
|
main();
|
|
|
});
|