mirror of
https://github.com/scratchfoundation/scratch-blocks.git
synced 2025-06-12 12:51:48 -04:00
421 lines
13 KiB
HTML
421 lines
13 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
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<title>Horizontal Playground</title>
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<script src="../blockly_uncompressed_horizontal.js"></script>
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<script src="../msg/messages.js"></script>
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<script src="../blocks_common/math.js"></script>
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<script src="../blocks_common/text.js"></script>
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<script src="../blocks_horizontal/control.js"></script>
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<script src="../blocks_horizontal/event.js"></script>
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<script src="../blocks_horizontal/wedo.js"></script>
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<script src="../blocks_horizontal/default_toolbox.js"></script>
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<script>
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'use strict';
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var fakeDragStack = [];
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var workspace = null;
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function start() {
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var soundsEnabled = null;
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if (sessionStorage) {
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// Restore sounds state.
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soundsEnabled = sessionStorage.getItem('soundsEnabled');
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if (soundsEnabled === null) {
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soundsEnabled = true;
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} else {
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soundsEnabled = (soundsEnabled === 'true');
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}
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} else {
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soundsEnabled = true;
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}
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setSoundsEnabled(soundsEnabled);
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// Setup blocks
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// Parse the URL arguments.
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var match = location.search.match(/dir=([^&]+)/);
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var rtl = match && match[1] == 'rtl';
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document.forms.options.elements.dir.selectedIndex = Number(rtl);
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var toolbox = getToolboxElement();
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document.forms.options.elements.toolbox.selectedIndex =
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toolbox ? 1: 0;
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match = location.search.match(/side=([^&]+)/);
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var side = match ? match[1] : 'start';
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document.forms.options.elements.side.value = side;
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workspace = Blockly.inject('blocklyDiv', {
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comments: false,
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disable: false,
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collapse: false,
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media: '../media/',
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readOnly: false,
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rtl: rtl,
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scrollbars: true,
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toolbox: toolbox,
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trashcan: true,
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horizontalLayout: side == 'top' || side == 'bottom',
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toolboxPosition: side == 'top' || side == 'start' ? 'start' : 'end',
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sounds: soundsEnabled,
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grid: {spacing: 16,
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length: 1,
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colour: '#2C344A',
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snap: false
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},
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zoom: {
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controls: true,
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wheel: true,
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startScale: 1.0,
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maxScale: 4,
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minScale: 0.25,
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scaleSpeed: 1.1
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},
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colours: {
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fieldShadow: 'rgba(255, 255, 255, 0.3)',
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dragShadowOpacity: 0.6
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}
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});
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if (sessionStorage) {
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// Restore previously displayed text.
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var text = sessionStorage.getItem('textarea');
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if (text) {
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document.getElementById('importExport').value = text;
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}
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taChange();
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// Restore event logging state.
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var state = sessionStorage.getItem('logEvents');
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logEvents(Boolean(state));
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// Restore flyout event logging state.
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state = sessionStorage.getItem('logFlyoutEvents');
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logFlyoutEvents(Boolean(state));
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}
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}
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function getToolboxElement() {
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var match = location.search.match(/toolbox=([^&]+)/);
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return document.getElementById('toolbox-' + (match ? match[1] : 'categories'));
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}
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function toXml() {
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var output = document.getElementById('importExport');
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var xml = Blockly.Xml.workspaceToDom(workspace);
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output.value = Blockly.Xml.domToPrettyText(xml);
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output.focus();
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output.select();
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taChange();
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}
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function fromXml() {
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var input = document.getElementById('importExport');
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var xml = Blockly.Xml.textToDom(input.value);
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Blockly.Xml.domToWorkspace(workspace, xml);
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taChange();
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}
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// Disable the "Import from XML" button if the XML is invalid.
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// Preserve text between page reloads.
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function taChange() {
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var textarea = document.getElementById('importExport');
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if (sessionStorage) {
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sessionStorage.setItem('textarea', textarea.value);
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}
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var valid = true;
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try {
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Blockly.Xml.textToDom(textarea.value);
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} catch (e) {
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valid = false;
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}
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document.getElementById('import').disabled = !valid;
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}
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function logEvents(state) {
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var checkbox = document.getElementById('logCheck');
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checkbox.checked = state;
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if (sessionStorage) {
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sessionStorage.setItem('logEvents', state ? 'checked' : '');
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}
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if (state) {
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workspace.addChangeListener(logger);
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} else {
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workspace.removeChangeListener(logger);
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}
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}
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function logFlyoutEvents(state) {
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var checkbox = document.getElementById('logFlyoutCheck');
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checkbox.checked = state;
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if (sessionStorage) {
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sessionStorage.setItem('logFlyoutEvents', state ? 'checked' : '');
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}
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var flyoutWorkspace = (workspace.flyout_) ? workspace.flyout_.workspace_ :
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workspace.toolbox_.flyout_.workspace_;
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if (state) {
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flyoutWorkspace.addChangeListener(logger);
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} else {
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flyoutWorkspace.removeChangeListener(logger);
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}
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}
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function logger(e) {
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console.log(e);
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}
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function glowBlock() {
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if (Blockly.selected) {
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workspace.glowBlock(Blockly.selected.id, true);
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}
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}
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function unglowBlock() {
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if (Blockly.selected) {
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workspace.glowBlock(Blockly.selected.id, false);
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}
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}
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function glowStack() {
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if (Blockly.selected) {
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workspace.glowStack(Blockly.selected.id, true);
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}
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}
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function unglowStack() {
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if (Blockly.selected) {
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workspace.glowStack(Blockly.selected.id, false);
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}
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}
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function sprinkles(n) {
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var prototypes = [];
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var toolbox = workspace.options.languageTree;
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if (!toolbox) {
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console.error('Toolbox not found; add a toolbox element to the DOM.');
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return;
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}
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var blocks = toolbox.getElementsByTagName('block');
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for (var i = 0; i < n; i++) {
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var blockXML = blocks[Math.floor(Math.random() * blocks.length)];
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var block = Blockly.Xml.domToBlock(blockXML, workspace);
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block.initSvg();
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block.moveBy(
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Math.round(Math.random() * 450 + 40),
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Math.round(Math.random() * 600 + 40)
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);
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}
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}
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function spaghetti(n) {
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var xml = spaghettiXml;
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for(var i = 0; i < n; i++) {
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xml = xml.replace(/(<(statement|next)( name="SUBSTACK")?>)<\//g,
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'$1' + spaghettiXml + '</');
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}
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xml = '<xml xmlns="http://www.w3.org/1999/xhtml">' + xml + '</xml>';
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var dom = Blockly.Xml.textToDom(xml);
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console.time('Spaghetti domToWorkspace');
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Blockly.Xml.domToWorkspace(workspace, dom);
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console.timeEnd('Spaghetti domToWorkspace');
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}
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var spaghettiXml = [
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' <block type="control_repeat">',
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' <value name="TIMES">',
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' <shadow type="math_whole_number">',
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' <field name="NUM">10</field>',
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' </shadow>',
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' </value>',
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' <statement name="SUBSTACK"></statement>',
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' <next></next>',
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' </block>'
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].join('\n');
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function setSoundsEnabled(state) {
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var checkbox = document.getElementById('soundsEnabled');
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checkbox.checked = (state) ? 'checked' : '';
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if (sessionStorage) {
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sessionStorage.setItem('soundsEnabled', state);
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}
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}
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function fakeDrag(id, dx, dy, opt_workspace) {
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var ws = opt_workspace || Blockly.getMainWorkspace();
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var blockToDrag = ws.getBlockById(id);
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if (!blockToDrag) {
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fakeDragWrapper();
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return;
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}
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var blockTop = blockToDrag.svgGroup_.getBoundingClientRect().top;
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var blockLeft = blockToDrag.svgGroup_.getBoundingClientRect().left;
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// Click somewhere on the block.
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var mouseDownEvent = new MouseEvent('mousedown',
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{clientX: blockLeft + 5, clientY: blockTop + 5});
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blockToDrag.onMouseDown_(mouseDownEvent);
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// Throw in a move for good measure.
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setTimeout(
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function() {
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var mouseMoveEvent = new MouseEvent('mousemove',
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{clientX: blockLeft + dx,
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clientY: blockTop + dy});
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blockToDrag.onMouseMove_(mouseMoveEvent);
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// Drop at dx, dy.
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setTimeout(
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function() {
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var mouseUpEvent = new MouseEvent('mouseup',
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{clientX: blockLeft + dx,
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clientY: blockTop + dy});
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blockToDrag.onMouseUp_(mouseUpEvent);
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setTimeout(fakeDragWrapper(), 100);
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}, 30);
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}, 30);
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};
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function fakeDragWrapper() {
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var dragInfo = fakeDragStack.pop();
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if (dragInfo) {
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fakeDrag(dragInfo.id, dragInfo.dx, dragInfo.dy, dragInfo.workspace);
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}
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}
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function fakeManyDrags() {
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var blockList = workspace.getAllBlocks();
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for (var i = 0; i < 2 * blockList.length; i++) {
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fakeDragStack.push(
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{
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id: blockList[Math.round(Math.random() * (blockList.length - 1))].id,
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// Move some blocks up and to the left, but mostly down and to the right.
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dx: Math.round((Math.random() - 0.25) * 200),
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dy: Math.round((Math.random() - 0.25) * 200),
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workspace: workspace
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});
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}
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fakeDragWrapper();
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}
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</script>
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<style>
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html, body {
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height: 100%;
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}
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body {
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background-color: #fff;
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font-family: sans-serif;
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overflow: hidden;
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}
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h1 {
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font-weight: normal;
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font-size: 140%;
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}
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#blocklyDiv {
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float: right;
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height: 95%;
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width: 70%;
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}
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#collaborators {
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float: right;
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width: 30px;
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margin-left: 10px;
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}
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#collaborators > img {
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margin-right: 5px;
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height: 30px;
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padding-bottom: 5px;
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width: 30px;
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border-radius: 3px;
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}
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#importExport {
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font-family: monospace;
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}
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</style>
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</head>
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<body onload="start()">
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<div id="collaborators"></div>
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<div id="blocklyDiv"></div>
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<!-- Sidebar -->
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<h1>Horizontal Blocks</h1>
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<p>
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<a href="javascript:void(workspace.setVisible(true))">Show</a>
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- <a href="javascript:void(workspace.setVisible(false))">Hide</a>
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</p>
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<form id="options">
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<select name="dir" onchange="document.forms.options.submit()">
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<option value="ltr">LTR</option>
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<option value="rtl">RTL</option>
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</select>
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<select name="toolbox" onchange="document.forms.options.submit()">
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<option value="categories">Categories</option>
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<option value="simple">Simple</option>
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</select>
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<select name="side" onchange="document.forms.options.submit()">
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<option value="start">Start</option>
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<option value="end">End</option>
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<option value="top">Top</option>
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<option value="bottom">Bottom</option>
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</select>
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</form>
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<p>
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<input type="button" value="Export to XML" onclick="toXml()">
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<input type="button" value="Import from XML" onclick="fromXml()" id="import">
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<br>
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<textarea id="importExport" style="width: 26%; height: 12em"
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onchange="taChange();" onkeyup="taChange()"></textarea>
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</p>
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<p>
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Log events:
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<input type="checkbox" onclick="logEvents(this.checked)" id="logCheck">
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</p>
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<p>
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Log flyout events:
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<input type="checkbox" onclick="logFlyoutEvents(this.checked)" id="logFlyoutCheck">
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</p>
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<p>
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Enable sounds (after refresh):
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<input type="checkbox" onclick="setSoundsEnabled(this.checked)" id="soundsEnabled">
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</p>
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<p>
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Stress test:
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<input type="button" value="Sprinkles!" onclick="sprinkles(100)">
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<input type="button" value="Spaghetti!" onclick="spaghetti(10)">
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<input type="button" value="Fake some drags!" onclick="fakeManyDrags()">
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</p>
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<p>
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Glows:
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<input type="button" value="Glow last clicked block" onclick="glowBlock()" />
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<input type="button" value="Unglow last clicked block" onclick="unglowBlock()" />
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<input type="button" value="Stack glow last clicked block" onclick="glowStack()" />
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<input type="button" value="Stack unglow last clicked block" onclick="unglowStack()" />
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</p>
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<p>
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<input type="button" value="Undo" onclick="workspace.undo()" />
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<input type="button" value="Redo" onclick="workspace.undo(true)" />
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</p>
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</body>
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</html>
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