373 lines
10 KiB
TypeScript
373 lines
10 KiB
TypeScript
import { saveAs } from 'file-saver';
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import * as JSZip from 'jszip';
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import { CanvasHandler } from './canvas_handler';
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import { FileHandler } from './file_handler';
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import { FrameHandler } from './frame_handler';
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import { IAnimationData } from './Interfaces/IAnimationData';
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import { IFrame } from './Interfaces/IFrame';
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import { IProjectData } from './Interfaces/IProjectData';
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import { PinHandler } from './pin_handler';
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export class Page {
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private static handleDragOver(evt: DragEvent) {
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if (evt !== null) {
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evt.stopPropagation();
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evt.preventDefault();
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evt.dataTransfer!.dropEffect = 'copy'; // Explicitly show this is a copy.
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}
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}
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private pinHandler: PinHandler;
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private frameHandler: FrameHandler;
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private canvasHandler: CanvasHandler;
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private animationData: IAnimationData;
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private frameRateInput: HTMLInputElement;
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private loopingInput: HTMLInputElement;
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private canvasImage: HTMLCanvasElement;
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private canvasContext: CanvasRenderingContext2DSettings;
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private projectData: IProjectData;
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private filenameInput: HTMLInputElement;
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private message: HTMLElement;
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private addPinButton: HTMLElement;
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private outputMessage: HTMLElement;
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private canvasMouseHeld: boolean = false;
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public Load() {
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// defining blank slate animation data
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this.animationData = {
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frameRate: 30,
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frames: [
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{
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filename: '',
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pinData: []
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}
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],
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loop: true,
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originX: -1,
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originY: -1,
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pinDefinitions: []
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};
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// blank slate canvas data
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this.projectData = {
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currentFrame: 0,
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currentlySelectedPin: -1,
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height: 0,
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heightRatio: 0,
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width: 0,
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widthRatio: 0
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};
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const info = document.getElementById('info') as HTMLElement;
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const helpButton = document.getElementById('helpButton') as HTMLElement;
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helpButton.addEventListener('click', () => {
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info.classList.toggle('hidden');
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});
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const exportButton = document.getElementById('exportButton') as HTMLElement;
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exportButton.addEventListener('click', () => {
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this.ExportData();
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});
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this.outputMessage = document.getElementById('outputMessage') as HTMLElement;
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this.message = document.getElementById('message') as HTMLElement;
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const canvasImage = document.getElementById('canvasImage') as HTMLCanvasElement;
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const imageElement = new Image();
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this.pinHandler = new PinHandler(
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document.getElementById('pinSettings') as HTMLElement,
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document.getElementById('pinContainer') as HTMLElement,
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document.getElementById('originPin') as HTMLElement,
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this.projectData,
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this.animationData
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);
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this.addPinButton = document.getElementById('addpin') as HTMLElement;
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this.addPinButton.addEventListener('click', this.AddPinButtonPressed);
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// setup canvas
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this.canvasHandler = new CanvasHandler(
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this.animationData,
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this.projectData,
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canvasImage,
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imageElement,
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document.getElementById('originInfo') as HTMLElement
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);
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canvasImage.addEventListener('mousedown', (event: MouseEvent) => {
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this.canvasMouseHeld = true;
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this.canvasHandler.CanvasMouseDown(event.offsetX, event.offsetY);
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this.pinHandler.UpdatePinBoxStatus();
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});
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canvasImage.addEventListener('mousemove', this.CanvasMouseDown);
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// reset holds on global mouse up
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document.addEventListener('mouseup', () => {
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this.canvasMouseHeld = false;
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this.frameHandler.frameViewerMouseHeld = false;
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});
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// setup frame handler
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this.frameHandler = new FrameHandler(
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this.animationData,
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this.projectData,
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canvasImage,
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canvasImage.getContext('2d')!,
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document.getElementById('frameNumber') as HTMLElement,
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imageElement,
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this.projectData,
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document.getElementById('frameViewer') as HTMLElement
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);
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// input elements
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this.frameRateInput = document.getElementById('framerate') as HTMLInputElement;
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this.frameRateInput.addEventListener('change', this.UpdateFrameRate);
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this.loopingInput = document.getElementById('looping') as HTMLInputElement;
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this.loopingInput.addEventListener('change', this.UpdateLooping);
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this.filenameInput = document.getElementById('filename') as HTMLInputElement;
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const dropZone = document.getElementById('dropZone') as HTMLElement;
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dropZone.addEventListener('dragover', Page.handleDragOver, false);
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dropZone.addEventListener('drop', this.handleFileSelect, false);
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this.ResetProgram();
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const keyDown = (event: KeyboardEvent) => {
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switch (event.keyCode) {
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case 48:
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case 49:
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case 50:
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case 51:
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case 52:
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case 53:
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case 54:
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case 55:
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case 56:
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case 57: {
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// goto frame w 1234567890
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let targetFrame: number = event.keyCode - 49;
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if (event.keyCode === 48) {
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targetFrame = 9;
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}
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targetFrame %= this.animationData.frames.length;
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this.frameHandler.StopPlayingAnimation();
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this.frameHandler.GoToFrame(targetFrame);
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this.frameHandler.RefreshFrameViewer();
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break;
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}
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case 39:
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case 190: {
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// right_arrow, carrot
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this.frameHandler.AdvanceFrames(1);
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this.frameHandler.StopPlayingAnimation();
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break;
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}
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case 37:
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case 188: {
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// left arrow, carrot
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this.frameHandler.AdvanceFrames(-1);
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this.frameHandler.StopPlayingAnimation();
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break;
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}
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case 40: {
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// down arrow
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this.frameHandler.GoToFrame(0);
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this.frameHandler.StopPlayingAnimation();
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break;
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}
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case 32: {
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// spacebar
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this.frameHandler.TogglePlayingAnimation();
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break;
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}
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case 83: {
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if (document.activeElement === document.body) {
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this.ExportData();
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}
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}
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}
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};
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document.addEventListener('keydown', keyDown);
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}
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private ExportData() {
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this.pinHandler.UpdateAnimationPinDefinitions();
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if (this.ProjectHasNeccesaryData()) {
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const zip = new JSZip();
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// name of project
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const name = this.filenameInput.value;
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// generate output filenames
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var outputFilenames = [];
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for (let i = 0; i < this.animationData.frames.length; i++) {
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const padding = i.toString().padStart(3, '0');
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const filename = name + '_' + padding.toString() + '.png';
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outputFilenames[i] = filename;
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}
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for (let i = 0; i < this.animationData.frames.length; i++) {
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this.animationData.frames[i].filename = outputFilenames[i];
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}
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// .anim file
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zip.file(name + '.anim', JSON.stringify(this.animationData));
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// pngs
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const filenames = this.frameHandler.GetFilenames();
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for (let i = 0; i < filenames.length; i++) {
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const filedata = filenames[i].split('base64,')[1];
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zip.file(outputFilenames[i], filedata, { base64: true });
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}
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// save zip
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zip.generateAsync({ type: 'blob' }).then((content) => {
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// see FileSaver.js
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saveAs(content, name + '.zip');
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});
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}
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}
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private ProjectHasNeccesaryData(): boolean {
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this.outputMessage.innerText = '';
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this.outputMessage.classList.remove('errorMessage');
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let pass: boolean = true;
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let errorString: string = '';
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this.frameHandler.RefreshFrameViewer();
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if (this.filenameInput.value === '') {
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errorString += '- Missing name\n';
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pass = false;
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}
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if (this.animationData.originX === null || this.animationData.originY === null) {
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errorString += '- Missing origin data\n';
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pass = false;
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}
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// check frames for data errors
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let pinDataErrorString: string = '';
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let passPinData: boolean = true;
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for (let f = 0; f < this.animationData.frames.length; f++) {
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const errorOnFrame: boolean = false;
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if (this.animationData.pinDefinitions !== undefined) {
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for (let p = 0; p < this.animationData.pinDefinitions.length; p++) {
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if (this.animationData.pinDefinitions[p] !== undefined) {
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const pinIDtoCheck = this.animationData.pinDefinitions[p].id;
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// console.log('checking frame ' + f + ' for pinID ' + this.animationData.pins[p].name);
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if (this.animationData.frames[f].pinData[pinIDtoCheck] === undefined) {
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if (!errorOnFrame) {
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pinDataErrorString += f + ' :\n';
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}
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pinDataErrorString += ' Pin: ' + this.animationData.pinDefinitions[p].name + '\n';
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passPinData = false;
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}
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}
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}
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}
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}
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if (!passPinData) {
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errorString += '- Missing pin data on some frames: \n' + pinDataErrorString;
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pass = false;
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}
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if (!pass) {
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this.outputMessage.innerText = errorString;
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this.outputMessage.classList.add('errorMessage');
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}
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return pass;
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}
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private CanvasMouseDown = (event: MouseEvent) => {
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if (this.canvasMouseHeld) {
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this.canvasHandler.CanvasMouseDown(event.offsetX, event.offsetY);
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this.pinHandler.UpdatePinBoxStatus();
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}
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};
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private AddPinButtonPressed = () => {
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this.pinHandler.AddNewPin();
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};
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private handleFileSelect = async (event: DragEvent) => {
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this.ResetProgram();
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event.stopPropagation();
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event.preventDefault();
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const [ processedFilenames, originalFilenames ] = await FileHandler.ProcessImages(event.dataTransfer!.files);
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this.frameHandler.loadFrames(processedFilenames);
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const newFrames: IFrame[] = [];
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for (let i = 0; i < originalFilenames.length; i++) {
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newFrames.push({
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filename: originalFilenames[i].toString(),
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pinData: []
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});
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}
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this.animationData.frames = newFrames;
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this.frameHandler.GoToFrame(0);
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this.frameHandler.StopPlayingAnimation();
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this.frameHandler.TogglePlayingAnimation();
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const imageElement = new Image();
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imageElement.src = processedFilenames[0];
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imageElement.onload = () => {
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this.canvasHandler.ResizeCanvas(imageElement.width, imageElement.height);
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};
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this.frameHandler.ConstructFrameUI();
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};
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private ResetProgram = () => {
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// defining blank slate animation data
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this.animationData.pinDefinitions = [];
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this.animationData.originX = null;
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this.animationData.originY = null;
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this.animationData.frameRate = 30;
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this.animationData.loop = true;
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this.animationData.frames = [ { filename: '', pinData: [] } ];
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// blank slate canvas data
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this.projectData.currentFrame = 0;
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this.projectData.currentlySelectedPin = 0;
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this.projectData.width = 0;
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this.projectData.widthRatio = 0;
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this.projectData.height = 0;
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this.projectData.heightRatio = 0;
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// reset input displays
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this.frameRateInput.value = this.animationData.frameRate.toString();
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this.loopingInput.checked = this.animationData.loop;
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this.filenameInput.value = '';
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// destroy pin divs
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this.pinHandler.RemoveAllPins();
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this.projectData.currentlySelectedPin = 0;
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};
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private UpdateLooping = () => {
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this.animationData.loop = this.loopingInput.checked;
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};
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private UpdateFrameRate = () => {
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this.animationData.frameRate = this.frameRateInput.valueAsNumber;
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this.frameHandler.StopPlayingAnimation();
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this.frameHandler.TogglePlayingAnimation();
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};
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}
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