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128 lines
3.8 KiB
JavaScript
128 lines
3.8 KiB
JavaScript
/**
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* @license
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* Copyright 2019 Google LLC
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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 Zelos renderer.
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* @author fenichel@google.com (Rachel Fenichel)
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*/
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'use strict';
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goog.provide('Blockly.zelos.Renderer');
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goog.require('Blockly.blockRendering');
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goog.require('Blockly.blockRendering.Renderer');
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goog.require('Blockly.utils.object');
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goog.require('Blockly.zelos.ConstantProvider');
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goog.require('Blockly.zelos.Drawer');
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goog.require('Blockly.zelos.PathObject');
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goog.require('Blockly.zelos.RenderInfo');
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goog.require('Blockly.zelos.MarkerSvg');
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/**
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* The zelos renderer.
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* @param {string} name The renderer name.
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* @package
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* @constructor
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* @extends {Blockly.blockRendering.Renderer}
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*/
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Blockly.zelos.Renderer = function(name) {
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Blockly.zelos.Renderer.superClass_.constructor.call(this, name);
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};
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Blockly.utils.object.inherits(Blockly.zelos.Renderer,
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Blockly.blockRendering.Renderer);
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/**
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* Create a new instance of the renderer's constant provider.
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* @return {!Blockly.zelos.ConstantProvider} The constant provider.
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* @protected
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* @override
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*/
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Blockly.zelos.Renderer.prototype.makeConstants_ = function() {
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return new Blockly.zelos.ConstantProvider();
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};
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/**
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* Create a new instance of the renderer's render info object.
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* @param {!Blockly.BlockSvg} block The block to measure.
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* @return {!Blockly.zelos.RenderInfo} The render info object.
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* @protected
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* @override
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*/
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Blockly.zelos.Renderer.prototype.makeRenderInfo_ = function(block) {
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return new Blockly.zelos.RenderInfo(this, block);
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};
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/**
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* Create a new instance of the renderer's drawer.
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* @param {!Blockly.BlockSvg} block The block to render.
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* @param {!Blockly.blockRendering.RenderInfo} info An object containing all
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* information needed to render this block.
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* @return {!Blockly.zelos.Drawer} The drawer.
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* @protected
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* @override
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*/
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Blockly.zelos.Renderer.prototype.makeDrawer_ = function(block, info) {
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return new Blockly.zelos.Drawer(block,
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/** @type {!Blockly.zelos.RenderInfo} */ (info));
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};
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/**
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* Create a new instance of the renderer's cursor drawer.
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* @param {!Blockly.WorkspaceSvg} workspace The workspace the cursor belongs to.
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* @param {!Blockly.Marker} marker The marker.
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* @return {!Blockly.blockRendering.MarkerSvg} The object in charge of drawing
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* the marker.
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* @package
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* @override
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*/
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Blockly.zelos.Renderer.prototype.makeMarkerDrawer = function(
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workspace, marker) {
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return new Blockly.zelos.MarkerSvg(workspace, this.getConstants(), marker);
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};
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/**
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* Create a new instance of a renderer path object.
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* @param {!SVGElement} root The root SVG element.
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* @param {!Blockly.Theme.BlockStyle} style The style object to use for
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* colouring.
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* @return {!Blockly.zelos.PathObject} The renderer path object.
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* @package
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* @override
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*/
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Blockly.zelos.Renderer.prototype.makePathObject = function(root, style) {
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return new Blockly.zelos.PathObject(root, style,
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/** @type {!Blockly.zelos.ConstantProvider} */ (this.getConstants()));
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};
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/**
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* @override
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*/
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Blockly.zelos.Renderer.prototype.shouldHighlightConnection = function(conn) {
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return conn.type != Blockly.INPUT_VALUE && conn.type !== Blockly.OUTPUT_VALUE;
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};
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/**
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* @override
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*/
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Blockly.zelos.Renderer.prototype.shouldInsertDraggedBlock = function(_block,
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_conn) {
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return false;
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};
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Blockly.blockRendering.register('zelos', Blockly.zelos.Renderer);
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