337 lines
12 KiB
React
337 lines
12 KiB
React
import bindAll from 'lodash.bindall';
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import debounce from 'lodash.debounce';
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import defaultsDeep from 'lodash.defaultsdeep';
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import makeToolboxXML from '../lib/make-toolbox-xml';
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import PropTypes from 'prop-types';
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import React from 'react';
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import VMScratchBlocks from '../lib/blocks';
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import VM from 'scratch-vm';
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import Prompt from './prompt.jsx';
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import BlocksComponent from '../components/blocks/blocks.jsx';
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import ExtensionLibrary from './extension-library.jsx';
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import {connect} from 'react-redux';
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import {updateToolbox} from '../reducers/toolbox';
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import {activateColorPicker} from '../reducers/color-picker';
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import {closeExtensionLibrary} from '../reducers/modals';
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const addFunctionListener = (object, property, callback) => {
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const oldFn = object[property];
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object[property] = function () {
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const result = oldFn.apply(this, arguments);
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callback.apply(this, result);
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return result;
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};
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};
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class Blocks extends React.Component {
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constructor (props) {
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super(props);
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this.ScratchBlocks = VMScratchBlocks(props.vm);
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bindAll(this, [
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'attachVM',
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'detachVM',
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'handleCategorySelected',
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'handlePromptStart',
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'handlePromptCallback',
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'handlePromptClose',
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'onScriptGlowOn',
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'onScriptGlowOff',
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'onBlockGlowOn',
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'onBlockGlowOff',
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'handleExtensionAdded',
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'onTargetsUpdate',
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'onVisualReport',
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'onWorkspaceUpdate',
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'onWorkspaceMetricsChange',
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'setBlocks'
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]);
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this.ScratchBlocks.prompt = this.handlePromptStart;
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this.state = {
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workspaceMetrics: {},
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prompt: null
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};
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this.onTargetsUpdate = debounce(this.onTargetsUpdate, 100);
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}
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componentDidMount () {
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this.ScratchBlocks.FieldColourSlider.activateEyedropper_ = this.props.onActivateColorPicker;
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const workspaceConfig = defaultsDeep({},
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Blocks.defaultOptions,
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this.props.options,
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{toolbox: this.props.toolboxXML}
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);
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this.workspace = this.ScratchBlocks.inject(this.blocks, workspaceConfig);
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// @todo change this when blockly supports UI events
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addFunctionListener(this.workspace, 'translate', this.onWorkspaceMetricsChange);
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addFunctionListener(this.workspace, 'zoom', this.onWorkspaceMetricsChange);
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this.attachVM();
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}
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shouldComponentUpdate (nextProps, nextState) {
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return (
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this.state.prompt !== nextState.prompt ||
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this.props.isVisible !== nextProps.isVisible ||
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this.props.toolboxXML !== nextProps.toolboxXML ||
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this.props.extensionLibraryVisible !== nextProps.extensionLibraryVisible
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);
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}
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componentDidUpdate (prevProps) {
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if (prevProps.toolboxXML !== this.props.toolboxXML) {
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const selectedCategoryName = this.workspace.toolbox_.getSelectedItem().name_;
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this.workspace.updateToolbox(this.props.toolboxXML);
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this.workspace.toolbox_.setSelectedCategoryByName(selectedCategoryName);
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}
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if (this.props.isVisible === prevProps.isVisible) {
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return;
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}
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// @todo hack to resize blockly manually in case resize happened while hidden
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// @todo hack to reload the workspace due to gui bug #413
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if (this.props.isVisible) { // Scripts tab
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this.workspace.setVisible(true);
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this.props.vm.refreshWorkspace();
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window.dispatchEvent(new Event('resize'));
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} else {
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this.workspace.setVisible(false);
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}
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}
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componentWillUnmount () {
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this.detachVM();
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this.workspace.dispose();
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}
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attachVM () {
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this.workspace.addChangeListener(this.props.vm.blockListener);
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this.flyoutWorkspace = this.workspace
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.getFlyout()
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.getWorkspace();
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this.flyoutWorkspace.addChangeListener(this.props.vm.flyoutBlockListener);
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this.flyoutWorkspace.addChangeListener(this.props.vm.monitorBlockListener);
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this.props.vm.addListener('SCRIPT_GLOW_ON', this.onScriptGlowOn);
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this.props.vm.addListener('SCRIPT_GLOW_OFF', this.onScriptGlowOff);
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this.props.vm.addListener('BLOCK_GLOW_ON', this.onBlockGlowOn);
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this.props.vm.addListener('BLOCK_GLOW_OFF', this.onBlockGlowOff);
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this.props.vm.addListener('VISUAL_REPORT', this.onVisualReport);
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this.props.vm.addListener('workspaceUpdate', this.onWorkspaceUpdate);
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this.props.vm.addListener('targetsUpdate', this.onTargetsUpdate);
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this.props.vm.addListener('EXTENSION_ADDED', this.handleExtensionAdded);
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}
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detachVM () {
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this.props.vm.removeListener('SCRIPT_GLOW_ON', this.onScriptGlowOn);
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this.props.vm.removeListener('SCRIPT_GLOW_OFF', this.onScriptGlowOff);
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this.props.vm.removeListener('BLOCK_GLOW_ON', this.onBlockGlowOn);
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this.props.vm.removeListener('BLOCK_GLOW_OFF', this.onBlockGlowOff);
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this.props.vm.removeListener('VISUAL_REPORT', this.onVisualReport);
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this.props.vm.removeListener('workspaceUpdate', this.onWorkspaceUpdate);
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this.props.vm.removeListener('targetsUpdate', this.onTargetsUpdate);
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this.props.vm.removeListener('EXTENSION_ADDED', this.handleExtensionAdded);
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}
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updateToolboxBlockValue (id, value) {
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const block = this.workspace
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.getFlyout()
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.getWorkspace()
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.getBlockById(id);
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if (block) {
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block.inputList[0].fieldRow[0].setValue(value);
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}
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}
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onTargetsUpdate () {
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if (this.props.vm.editingTarget) {
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['glide', 'move', 'set'].forEach(prefix => {
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this.updateToolboxBlockValue(`${prefix}x`, this.props.vm.editingTarget.x.toFixed(0));
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this.updateToolboxBlockValue(`${prefix}y`, this.props.vm.editingTarget.y.toFixed(0));
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});
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}
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}
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onWorkspaceMetricsChange () {
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const target = this.props.vm.editingTarget;
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if (target && target.id) {
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const workspaceMetrics = Object.assign({}, this.state.workspaceMetrics, {
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[target.id]: {
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scrollX: this.workspace.scrollX,
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scrollY: this.workspace.scrollY,
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scale: this.workspace.scale
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}
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});
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this.setState({workspaceMetrics});
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}
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}
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onScriptGlowOn (data) {
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this.workspace.glowStack(data.id, true);
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}
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onScriptGlowOff (data) {
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this.workspace.glowStack(data.id, false);
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}
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onBlockGlowOn (data) {
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this.workspace.glowBlock(data.id, true);
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}
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onBlockGlowOff (data) {
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this.workspace.glowBlock(data.id, false);
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}
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onVisualReport (data) {
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this.workspace.reportValue(data.id, data.value);
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}
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onWorkspaceUpdate (data) {
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if (this.props.vm.editingTarget && !this.state.workspaceMetrics[this.props.vm.editingTarget.id]) {
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this.onWorkspaceMetricsChange();
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}
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// Remove and reattach the workspace listener (but allow flyout events)
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this.workspace.removeChangeListener(this.props.vm.blockListener);
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const dom = this.ScratchBlocks.Xml.textToDom(data.xml);
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this.ScratchBlocks.Xml.clearWorkspaceAndLoadFromXml(dom, this.workspace);
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this.workspace.addChangeListener(this.props.vm.blockListener);
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if (this.props.vm.editingTarget && this.state.workspaceMetrics[this.props.vm.editingTarget.id]) {
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const {scrollX, scrollY, scale} = this.state.workspaceMetrics[this.props.vm.editingTarget.id];
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this.workspace.scrollX = scrollX;
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this.workspace.scrollY = scrollY;
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this.workspace.scale = scale;
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this.workspace.resize();
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}
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}
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handleExtensionAdded (blocksInfo) {
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this.ScratchBlocks.defineBlocksWithJsonArray(blocksInfo.map(blockInfo => blockInfo.json));
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const dynamicBlocksXML = this.props.vm.runtime.getBlocksXML();
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const toolboxXML = makeToolboxXML(dynamicBlocksXML);
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this.props.onExtensionAdded(toolboxXML);
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}
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handleCategorySelected (categoryName) {
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this.workspace.toolbox_.setSelectedCategoryByName(categoryName);
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}
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setBlocks (blocks) {
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this.blocks = blocks;
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}
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handlePromptStart (message, defaultValue, callback) {
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this.setState({prompt: {callback, message, defaultValue}});
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}
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handlePromptCallback (data) {
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this.state.prompt.callback(data);
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this.handlePromptClose();
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}
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handlePromptClose () {
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this.setState({prompt: null});
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}
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render () {
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/* eslint-disable no-unused-vars */
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const {
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extensionLibraryVisible,
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options,
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vm,
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isVisible,
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onActivateColorPicker,
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onExtensionAdded,
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onRequestCloseExtensionLibrary,
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toolboxXML,
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...props
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} = this.props;
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/* eslint-enable no-unused-vars */
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return (
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<div>
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<BlocksComponent
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componentRef={this.setBlocks}
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{...props}
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/>
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{this.state.prompt ? (
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<Prompt
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label={this.state.prompt.message}
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placeholder={this.state.prompt.defaultValue}
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title="New Variable" // @todo the only prompt is for new variables
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onCancel={this.handlePromptClose}
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onOk={this.handlePromptCallback}
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/>
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) : null}
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{extensionLibraryVisible ? (
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<ExtensionLibrary
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vm={vm}
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onCategorySelected={this.handleCategorySelected}
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onRequestClose={onRequestCloseExtensionLibrary}
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/>
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) : null}
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</div>
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);
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}
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}
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Blocks.propTypes = {
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extensionLibraryVisible: PropTypes.bool,
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isVisible: PropTypes.bool,
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onActivateColorPicker: PropTypes.func,
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onExtensionAdded: PropTypes.func,
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onRequestCloseExtensionLibrary: PropTypes.func,
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options: PropTypes.shape({
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media: PropTypes.string,
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zoom: PropTypes.shape({
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controls: PropTypes.bool,
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wheel: PropTypes.bool,
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startScale: PropTypes.number
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}),
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colours: PropTypes.shape({
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workspace: PropTypes.string,
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flyout: PropTypes.string,
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toolbox: PropTypes.string,
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toolboxSelected: PropTypes.string,
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scrollbar: PropTypes.string,
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scrollbarHover: PropTypes.string,
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insertionMarker: PropTypes.string,
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insertionMarkerOpacity: PropTypes.number,
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fieldShadow: PropTypes.string,
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dragShadowOpacity: PropTypes.number
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}),
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comments: PropTypes.bool
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}),
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toolboxXML: PropTypes.string,
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vm: PropTypes.instanceOf(VM).isRequired
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};
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Blocks.defaultOptions = {
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zoom: {
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controls: true,
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wheel: true,
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startScale: 0.675
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},
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grid: {
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spacing: 40,
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length: 2,
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colour: '#ddd'
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},
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colours: {
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workspace: '#F9F9F9',
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flyout: '#F9F9F9',
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toolbox: '#FFFFFF',
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toolboxSelected: '#E9EEF2',
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scrollbar: '#CECDCE',
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scrollbarHover: '#CECDCE',
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insertionMarker: '#000000',
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insertionMarkerOpacity: 0.2,
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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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comments: false
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};
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Blocks.defaultProps = {
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isVisible: true,
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options: Blocks.defaultOptions
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};
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const mapStateToProps = state => ({
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extensionLibraryVisible: state.modals.extensionLibrary,
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toolboxXML: state.toolbox.toolboxXML
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});
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const mapDispatchToProps = dispatch => ({
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onActivateColorPicker: callback => dispatch(activateColorPicker(callback)),
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onExtensionAdded: toolboxXML => {
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dispatch(updateToolbox(toolboxXML));
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},
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onRequestCloseExtensionLibrary: () => {
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dispatch(closeExtensionLibrary());
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}
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});
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export default connect(
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mapStateToProps,
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mapDispatchToProps
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)(Blocks);
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