mirror of
https://github.com/UiO-Gaming/infoscreen3.git
synced 2026-11-07 14:54:29 +01:00
776 lines
20 KiB
JavaScript
776 lines
20 KiB
JavaScript
var canvas;
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var bundleData;
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var grid = 1280 / 32;
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var _clipboard = null;
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var slideName = "untitled";
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bundleData = {
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background: "",
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duration: 10,
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styleHeader: {},
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styleText: {},
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useWebFonts: false
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};
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$(function () {
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canvas = new fabric.Canvas('edit');
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canvas.includeDefaultValues = false;
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canvas.preserveObjectStacking = true;
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canvas.antialias = true;
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canvas.on('object:moving', function (options) {
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if (Math.round(options.target.left / grid * 4) % 4 === 0) {
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options.target.set({
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left: Math.round(options.target.left / grid) * grid,
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}).setCoords();
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}
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if (Math.round(options.target.top / grid * 4) % 4 === 0) {
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options.target.set({top: Math.round(options.target.top / grid) * grid}).setCoords();
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}
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});
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$('html').keyup(function (e) {
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if (e.keyCode === 46) {
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obj = canvas.getActiveObject();
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if (!obj.isEditing) {
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removeSelectedObjects();
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}
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}
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});
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$('#order')
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.dropdown({
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action: 'hide',
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onChange: function (value, text, selectedItem) {
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setZindex(value);
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}
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});
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$('#contextmenu .dropdown').dropdown({
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on: 'hover',
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});
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$("#displaytime").checkbox();
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$('#colorPicker')
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.popup({
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inline: true,
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hoverable: true,
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position: 'bottom center',
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delay: {
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show: 200,
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hide: 800
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}
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});
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displayTime();
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setInterval(displayTime, 1000);
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});
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// Trigger action when the contexmenu is about to be shown
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$(document).bind("contextmenu", function (event) {
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// Avoid the real one
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event.preventDefault();
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var objects = canvas.getActiveObjects();
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if (objects.length > 0) {
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// Show contextmenu
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$("#contextmenu").finish().toggle(100).// In the right position (the mouse)
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css({
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top: event.pageY + "px",
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left: event.pageX + "px"
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});
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}
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});
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// If the document is clicked somewhere
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$(document).bind("mousedown", function (e) {
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// If the clicked element is not the menu
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if (!$(e.target).parents("#contextmenu").length > 0) {
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if (!$(e.target).attr("data-action")) {
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// Hide it
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$("#contextmenu").hide(100);
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}
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}
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});
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// If the menu element is clicked
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$("#contextmenu .item").click(function () {
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// This is the triggered action name
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switch ($(this).attr("data-action")) {
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// A case for each action. Your actions here
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case "copy":
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copyObject();
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break;
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case "paste":
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pasteObject();
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break;
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case "delete":
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removeSelectedObjects();
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break;
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case "bringToFront":
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setZindex("bringToFront");
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break;
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case "sendToBack":
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setZindex("sendToBack");
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break;
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case "bringForward":
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setZindex("bringForward");
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break;
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case "sendBackwards":
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setZindex("sendBackwards");
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break;
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}
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// Hide it AFTER the action was triggered
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$("#contextmenu").hide(100);
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});
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/**
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* Displays the local time for bottom of screen
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* hh:mm
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**/
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function displayTime() {
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var date = new Date();
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var min = date.getMinutes();
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if (min < 10) min = "0" + min;
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var time = date.getHours() + ":" + min;
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$('#time2').html(time);
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checkTimeDisplay();
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}
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function setAlign(align) {
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var object = canvas.getActiveObject();
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if (object.type === "i-text") {
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object.textAlign = align;
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}
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canvas.renderAll();
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}
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function setZindex(value) {
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switch (value) {
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case "sendToBack":
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canvas.sendToBack(canvas.getActiveObject());
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break;
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case "bringToFront":
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canvas.bringToFront(canvas.getActiveObject());
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break;
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case "bringForward":
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canvas.bringForward(canvas.getActiveObject());
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break;
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case "sendBackwards":
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canvas.sendBackwards(canvas.getActiveObject());
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break;
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}
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canvas.renderAll();
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}
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// socketio
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fabric.Image.prototype.toObject = (function (toObject) {
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return function () {
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return fabric.util.object.extend(toObject.call(this), {
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src: '/images' + this.getSrc().split('images')[1]
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});
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}
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})(fabric.Image.prototype.toObject);
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var canvasWidth = document.getElementById('edit').width,
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canvasHeight = document.getElementById('edit').height;
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var edgedetection = 20;
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socket.on('connect', function () {
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socket.emit('admin.editSlide', {bundleName: bundle, fileName: file});
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});
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socket.on('callback.save', function (data) {
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if (data.error) {
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alert(data.error);
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} else {
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// alert("slide saved successfully.");
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window.close();
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}
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});
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socket.on('callback.edit.updateFileList', function (data) {
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if (data.error) {
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alert(data.error);
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} else {
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openImageBrowser();
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}
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});
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socket.on('callback.edit', function (data) {
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bundleData = data.bundleData;
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canvas.clear();
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if (data.slideData.name != null) {
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slideName = data.slideData.name;
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$("#slideName").val(slideName);
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}
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$("#duration").val(data.slideData.duration + "");
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if (data.slideData.displayTime !== null) {
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$("#override").checkbox('set checked');
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if (data.slideData.displayTime) {
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$("#displaytime").checkbox('set checked');
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} else {
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$("#displaytime").checkbox('set unchecked');
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}
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} else {
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$("#override").checkbox('set unchecked');
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}
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var transitionArray = [];
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var values = ["bars", "blinds", "blinds3d", "zip", "blocks", "blocks2", "concentric", "warp", "cube", "tiles3d", "tiles3dprev", "slide", "swipe", "dissolve"];
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transitionArray.push({name: "default", value: null});
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for (var i in values) {
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transitionArray.push({name: values[i], value: values[i]});
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}
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$('#transitions')
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.dropdown({
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direction: "downward",
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values: transitionArray,
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action: function (text, value) {
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$('#transitions').dropdown("hide");
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$('#transitions').dropdown("set selected", value);
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$('#currentTransition').text(text);
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}
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}).dropdown("set selected", data.slideData.transition);
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$('#currentTransition').text(data.slideData.transition || "default");
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if (data.bundleData.useWebFonts) {
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WebFont.load({
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google: {
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families: [data.bundleData.styleHeader.fontFamily + ":700,900", data.bundleData.styleText.fontFamily + ":700,900"]
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},
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timeout: 2000,
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active: function () {
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nextSlide(data, true);
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},
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inactive: function () {
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nextSlide(data, true);
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}
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});
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} else {
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nextSlide(data, true);
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}
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checkTimeDisplay();
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setBackground(bundleData.background);
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});
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function setBackground(background) {
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background = "/background/" + bundleData.bundleName + "/" + background;
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var video = document.getElementById("bgvid2");
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var bg = $("#bg");
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var bgImage = document.getElementById("bgimg");
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if (background.indexOf(".mp4") !== -1) {
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if (parseUrl(video.src) !== background) {
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bg.hide();
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video.src = background;
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video.load();
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video.play();
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$(video).show();
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}
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} else {
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if (parseUrl(bgImage.src) !== background) {
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bgImage.src = background;
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bg.show();
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video.pause();
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video.removeAttribute("src");
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try {
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video.load();
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} catch (err) {
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console.log(err);
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}
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$(video).hide();
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}
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}
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}
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function setStyle(object, styleName, value) {
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var style = {};
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style[styleName] = value;
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if (object.setSelectionStyles && object.isEditing) {
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object.setSelectionStyles(style);
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} else {
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object.setOptions({styles: {}});
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object.setOptions(style);
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}
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}
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function getStyle(object, styleName) {
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if (object.getSelectionStyles && object.isEditing) {
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if (object.getSelectionStyles()[styleName]) {
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return object.getSelectionStyles()[styleName];
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}
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return object[styleName];
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} else {
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return object[styleName];
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}
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}
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function parseUrl(url) {
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return '/background' + url.split('background')[1]
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}
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function drawGrid() {
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var w = 1280 / 32 / 8;
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// Grid display part
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for (var i = 1; i <= (1280 / grid); i++) {
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canvas.add(new fabric.Line([i * grid, 0, i * grid, 1280], {
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stroke: '#ccc',
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strokeDashArray: [w, w],
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opacity: 0.5,
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selectable: false,
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zIndex: 0
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}));
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canvas.add(new fabric.Line([0, i * grid, 1280, i * grid], {
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stroke: '#ccc',
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strokeDashArray: [w, w],
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opacity: 0.5,
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selectable: false,
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zIndex: 0
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}))
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}
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canvas.renderAll();
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}
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function checkTimeDisplay() {
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if ($("#override").checkbox('is checked')) {
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if ($("#displaytime").checkbox('is checked')) {
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$('#time2').removeClass('flipOutX').addClass("flipInX");
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} else {
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$('#time2').addClass('flipOutX').removeClass("flipInX");
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}
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} else {
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if (bundleData.displayTime) {
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$('#time2').removeClass('flipOutX').addClass("flipInX");
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} else {
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$('#time2').addClass('flipOutX').removeClass("flipInX");
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}
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}
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}
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function nextSlide(data) {
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canvas.loadFromJSON(data.json, function () {
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drawGrid();
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canvas.renderAll();
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}, function (obj, object) {
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if (object.type === "i-text") {
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var fill = object.get("fill");
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var fontSize = object.get("fontSize");
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if (object.id === "header") {
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object.setOptions(bundleData.styleHeader);
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if (bundleData.styleHeader.fontSize !== fontSize) {
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object.setOptions({fontSize: fontSize});
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}
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if (bundleData.styleHeader.fill !== "") {
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object.setShadow({color: "rgba(0,0,0,0.6)", blur: 5, offsetX: 2, offsetY: 2});
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}
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} else {
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object.setOptions(bundleData.styleText);
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if (bundleData.styleText.fontSize !== fontSize) {
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object.setOptions({fontSize: fontSize});
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}
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if (bundleData.styleText.fill !== "") {
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object.setShadow({color: "rgba(0,0,0,0.6)", blur: 5, offsetX: 2, offsetY: 2});
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}
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}
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if (fill != null) {
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object.setOptions({fill: fill});
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}
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object.lockRotation = true;
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object.hasControls = false;
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object.lockUniScaling = true;
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object.hasRotatingPoint = false;
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}
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object.lockUniScaling = true;
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});
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}
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function copyObject() {
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// clone what are you copying since you
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// may want copy and paste on different moment.
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// and you do not want the changes happened
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// later to reflect on the copy.
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canvas.getActiveObject().clone(function (cloned) {
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_clipboard = cloned;
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});
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}
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function pasteObject() {
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if (_clipboard === null) return;
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// clone again, so you can do multiple copies.
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_clipboard.clone(function (clonedObj) {
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canvas.discardActiveObject();
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clonedObj.set({
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left: clonedObj.left + 10,
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top: clonedObj.top + 10,
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evented: true,
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});
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if (clonedObj.type === 'activeSelection') {
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// active selection needs a reference to the canvas.
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clonedObj.canvas = canvas;
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clonedObj.forEachObject(function (obj) {
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canvas.add(obj);
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});
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// this should solve the unselectability
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clonedObj.setCoords();
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} else {
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canvas.add(clonedObj);
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}
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_clipboard.top += 10;
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_clipboard.left += 10;
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canvas.setActiveObject(clonedObj);
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canvas.requestRenderAll();
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});
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}
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function addText(content, isHeader) {
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let text = new fabric.IText(content, {
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id: "normal",
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});
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let y = 0;
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var objects = canvas.getObjects('i-text');
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for (let i in objects) {
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if (objects[i].top > y) {
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y = objects[i].top + objects[i].height;
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}
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}
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if (y === 0) {
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y = 30;
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}
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if (isHeader) {
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text.id = "header";
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text.setOptions(bundleData.styleHeader);
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text.setOptions({top: y + 10, left: 150});
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} else {
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text.setOptions(bundleData.styleText);
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text.setOptions({top: y + 10, left: 250});
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}
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text.lockRotation = true;
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text.hasControls = false;
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text.lockUniScaling = true;
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text.hasRotatingPoint = false;
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text.setShadow({color: "#000", blur: 5, offsetX: 2, offsetY: 2});
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canvas.add(text);
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}
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function addImage(imageUrl, isFullSized) {
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fabric.Image.fromURL(imageUrl, function (bgImage) {
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var canvasAspect = canvas.width / canvas.height;
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var imgAspect = bgImage.width / bgImage.height;
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var left, top, scaleFactor;
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if (canvasAspect >= imgAspect) {
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scaleFactor = canvas.width / bgImage.width;
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left = 0;
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top = -((bgImage.height * scaleFactor) - canvas.height) / 2;
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} else {
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scaleFactor = canvas.height / bgImage.height;
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top = 0;
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left = -((bgImage.width * scaleFactor) - canvas.width) / 2;
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}
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if (isFullSized) {
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bgImage.set({
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top: top,
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left: left,
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originX: 'left',
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originY: 'top',
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scaleX: scaleFactor,
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scaleY: scaleFactor
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});
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} else {
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bgImage.set({
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scaleY: 0.5,
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scaleX: 0.5,
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});
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}
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bgImage.lockUniScaling = true;
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canvas.add(bgImage);
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});
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$("#imageLayer").modal("hide");
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}
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function addHeader(content) {
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addText(content, true);
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}
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function removeSelectedObjects() {
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let obj = canvas.getActiveObjects();
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for (var i in obj) {
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canvas.remove(obj[i]);
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}
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canvas.discardActiveObject();
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canvas.requestRenderAll();
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}
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function cueSlide(id) {
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if (id === null) {
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var bool = confirm('You are about to display the current slide for ALL DISPLAYS, are you sure?')
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if (bool === false) {
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return;
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}
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}
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if (confirm('Force display of the current slide?') && bool) {
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var duration = null;
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if ($.isNumeric($("#duration").val())) {
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duration = parseFloat($("#duration").val());
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}
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var objects = canvas.getObjects('line');
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for (let i in objects) {
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canvas.remove(objects[i]);
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}
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let obj = {
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json: canvas.toJSON(['id']),
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png: canvas.toDataURL('png'),
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displayId: id,
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duration: duration
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};
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socket.emit("admin.override", obj);
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drawGrid();
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}
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}
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function save() {
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canvas.setBackgroundImage(null, null, null);
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var objects = canvas.getObjects('line');
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for (let i in objects) {
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canvas.remove(objects[i]);
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}
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slideName = $("#slideName").val();
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if (slideName === "untitled") {
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var texts = canvas.getObjects('i-text');
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for (let i in texts) {
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if (texts[i].id == "header") {
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slideName = texts[i].text;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
var duration = null;
|
|
if ($.isNumeric($("#duration").val())) {
|
|
duration = parseFloat($("#duration").val());
|
|
}
|
|
|
|
var checked = null;
|
|
|
|
if ($("#override").checkbox('is checked')) {
|
|
checked = false;
|
|
if ($("#displaytime").checkbox('is checked')) {
|
|
checked = true;
|
|
}
|
|
}
|
|
|
|
|
|
var transition = $("#transitions").dropdown("get value");
|
|
if (transition === "null") transition = "";
|
|
|
|
|
|
var obj = {
|
|
bundleName: bundle,
|
|
name: slideName,
|
|
fileName: file,
|
|
duration: duration,
|
|
json: canvas.toJSON(['id', 'fontSize']),
|
|
png: canvas.toDataURL('png'),
|
|
displayTime: checked,
|
|
transition: transition
|
|
};
|
|
|
|
socket.emit("edit.save", obj);
|
|
}
|
|
|
|
function saveAsFullScreenImage(name = "untitled", imageData) {
|
|
canvas.clear();
|
|
canvas.setBackgroundImage(null, null, null);
|
|
|
|
fabric.Image.fromURL(imageData, function (bgImage) {
|
|
|
|
var canvasAspect = canvas.width / canvas.height;
|
|
var imgAspect = bgImage.width / bgImage.height;
|
|
var left, top, scaleFactor;
|
|
|
|
if (canvasAspect >= imgAspect) {
|
|
scaleFactor = canvas.width / bgImage.width;
|
|
left = 0;
|
|
top = -((bgImage.height * scaleFactor) - canvas.height) / 2;
|
|
} else {
|
|
scaleFactor = canvas.height / bgImage.height;
|
|
top = 0;
|
|
left = -((bgImage.width * scaleFactor) - canvas.width) / 2;
|
|
}
|
|
|
|
bgImage.set({
|
|
top: top,
|
|
left: left,
|
|
originX: 'left',
|
|
originY: 'top',
|
|
scaleX: scaleFactor,
|
|
scaleY: scaleFactor
|
|
});
|
|
|
|
canvas.add(bgImage);
|
|
canvas.renderAll();
|
|
|
|
var duration = null;
|
|
if ($.isNumeric($("#duration").val())) {
|
|
duration = parseFloat($("#duration").val());
|
|
}
|
|
|
|
var checked = null;
|
|
if ($("#override").checkbox('is checked')) {
|
|
checked = $("#displaytime").checkbox('is checked');
|
|
}
|
|
|
|
|
|
var transition = $("#transitions").dropdown("get value");
|
|
if (transition === "null") transition = null;
|
|
|
|
var dataurl = canvas.toDataURL('png');
|
|
|
|
var json =
|
|
{
|
|
version: "2.6.0",
|
|
objects: [{
|
|
type: "image",
|
|
version: "2.6.0",
|
|
width: 1280,
|
|
height: 720,
|
|
crossOrigin: "",
|
|
src: dataurl,
|
|
filters: []
|
|
}]
|
|
};
|
|
|
|
var obj = {
|
|
bundleName: bundle,
|
|
name: name,
|
|
fileName: file,
|
|
duration: duration,
|
|
json: json,
|
|
png: dataurl,
|
|
displayTime: checked,
|
|
transition: transition,
|
|
};
|
|
|
|
socket.emit("edit.save", obj);
|
|
});
|
|
}
|
|
|
|
|
|
function deleteImage(name) {
|
|
if (confirm("Really delete image?")) {
|
|
socket.emit("edit.deleteImage", {
|
|
bundleName: bundle,
|
|
name: name,
|
|
});
|
|
}
|
|
}
|
|
|
|
function changeColor(elem) {
|
|
var obj = canvas.getActiveObject();
|
|
// console.log(window.getComputedStyle(elem).backgroundColor);
|
|
setStyle(obj, "fill", window.getComputedStyle(elem).backgroundColor);
|
|
canvas.renderAll();
|
|
}
|
|
|
|
function setCenter(direction) {
|
|
switch (direction) {
|
|
case "h":
|
|
canvas.getActiveObject().viewportCenterH();
|
|
break;
|
|
case "v":
|
|
canvas.getActiveObject().viewportCenterV();
|
|
break;
|
|
}
|
|
}
|
|
|
|
function fontSize(direction) {
|
|
for (var obj of canvas.getActiveObjects()) {
|
|
var sizes = [20, 28, 32, 36, 40, 44, 48, 50, 54, 58, 64, 72, 96];
|
|
if (obj.type === "i-text") {
|
|
var idx = closest(sizes, getStyle(obj, "fontSize"));
|
|
|
|
if ((idx + direction) < sizes.length && (idx + direction) > 0) {
|
|
setStyle(obj, "fontSize", sizes[idx + direction]);
|
|
}
|
|
}
|
|
}
|
|
canvas.requestRenderAll();
|
|
}
|
|
|
|
function closest(list, x) {
|
|
var min,
|
|
chosen = 0;
|
|
for (var i in list) {
|
|
min = Math.abs(list[chosen] - x);
|
|
if (Math.abs(list[i] - x) < min) {
|
|
chosen = i;
|
|
}
|
|
}
|
|
return parseInt(chosen);
|
|
}
|
|
|
|
function openImageBrowser() {
|
|
$("#imageList").load("/admin/ajax/imagelist?bundle=" + bundle + "&nocache=" + uuidv4(), null, function () {
|
|
addImagesFromUploadQueue();
|
|
$('#imageLayer').modal('show');
|
|
});
|
|
}
|
|
|
|
/** Generate an uuid
|
|
* @url https://stackoverflow.com/questions/105034/create-guid-uuid-in-javascript#2117523 **/
|
|
function uuidv4() {
|
|
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
|
|
let r = Math.random() * 16 | 0, v = c === 'x' ? r : (r & 0x3 | 0x8);
|
|
return v.toString(16);
|
|
});
|
|
} |