mirror of
https://github.com/google/blockly.git
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106 lines
3.5 KiB
JavaScript
106 lines
3.5 KiB
JavaScript
/**
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* @license
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* Visual Blocks Editor
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*
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* Copyright 2019 Google Inc.
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* https://developers.google.com/blockly/
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @fileoverview Namespace for block rendering functionality.
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* @author fenichel@google.com (Rachel Fenichel)
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*/
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'use strict';
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/**
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* The top level namespace for block rendering.
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* @namespace Blockly.blockRendering
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*/
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goog.provide('Blockly.blockRendering');
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goog.require('Blockly.blockRendering.Debug');
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goog.require('Blockly.blockRendering.Drawer');
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goog.require('Blockly.blockRendering.RenderInfo');
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goog.require('Blockly.blockRendering.ConstantProvider');
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goog.require('Blockly.geras.HighlightConstantProvider');
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goog.require('Blockly.geras.Drawer');
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goog.require('Blockly.geras.RenderInfo');
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goog.require('Blockly.thrasos.RenderInfo');
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goog.require('Blockly.zelos.Drawer');
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goog.require('Blockly.zelos.RenderInfo');
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goog.require('Blockly.zelos.ConstantProvider');
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// TODO (#2702): Pick an API for choosing a renderer.
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Blockly.blockRendering.rendererName = 'geras';
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Blockly.blockRendering.useDebugger = false;
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/**
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* Initialize anything needed for rendering (constants, etc).
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* @package
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*/
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Blockly.blockRendering.init = function() {
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if (Blockly.blockRendering.rendererName == 'geras') {
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Blockly.blockRendering.constants =
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new Blockly.blockRendering.ConstantProvider();
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Blockly.blockRendering.constants.init();
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// No one else has a highlight provider.
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Blockly.blockRendering.highlightConstants =
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new Blockly.geras.HighlightConstantProvider();
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} else if (Blockly.blockRendering.rendererName == 'thrasos') {
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Blockly.blockRendering.constants =
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new Blockly.blockRendering.ConstantProvider();
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Blockly.blockRendering.constants.init();
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} else if (Blockly.blockRendering.rendererName == 'zelos') {
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Blockly.blockRendering.constants =
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new Blockly.zelos.ConstantProvider();
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Blockly.blockRendering.constants.init();
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}
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};
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/**
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* Render the given block, using the new rendering.
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* Developers should not call this directly. Instead, call block.render().
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* @param {!Blockly.BlockSvg} block The block to render
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* @public
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*/
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Blockly.blockRendering.render = function(block) {
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if (!block.renderingDebugger) {
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block.renderingDebugger = new Blockly.blockRendering.Debug();
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}
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if (Blockly.blockRendering.rendererName == 'geras') {
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var info = new Blockly.geras.RenderInfo(block);
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info.measure();
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new Blockly.geras.Drawer(block, info).draw();
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} else if (Blockly.blockRendering.rendererName == 'thrasos') {
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var info = new Blockly.thrasos.RenderInfo(block);
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info.measure();
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new Blockly.blockRendering.Drawer(block, info).draw();
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} else if (Blockly.blockRendering.rendererName == 'zelos') {
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var info = new Blockly.zelos.RenderInfo(block);
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info.measure();
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new Blockly.zelos.Drawer(block, info).draw();
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}
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};
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Blockly.blockRendering.getConstants = function() {
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return Blockly.blockRendering.constants;
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};
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Blockly.blockRendering.getHighlightConstants = function() {
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return Blockly.blockRendering.highlightConstants;
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};
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