Files
blockly/core/renderers/geras/drawer.js
2019-08-23 15:58:24 -07:00

136 lines
3.8 KiB
JavaScript

/**
* @license
* Visual Blocks Editor
*
* Copyright 2019 Google Inc.
* https://developers.google.com/blockly/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @fileoverview Renderer that preserves the look and feel of Blockly pre-2019.
* @author fenichel@google.com (Rachel Fenichel)
*/
'use strict';
goog.provide('Blockly.geras.Drawer');
goog.require('Blockly.blockRendering.ConstantProvider');
goog.require('Blockly.blockRendering.Drawer');
goog.require('Blockly.geras.Highlighter');
goog.require('Blockly.geras.RenderInfo');
/**
* An object that draws a block based on the given rendering information.
* @param {!Blockly.BlockSvg} block The block to render.
* @param {!Blockly.geras.RenderInfo} info An object containing all
* information needed to render this block.
* @package
* @constructor
* @extends {Blockly.blockRendering.Drawer}
*/
Blockly.geras.Drawer = function(block, info) {
Blockly.geras.Drawer.superClass_.constructor.call(this, block, info);
// Unlike Thrasos, Geras has highlights and drop shadows.
this.highlighter_ = new Blockly.geras.Highlighter(info, this.pathObject_);
};
goog.inherits(Blockly.geras.Drawer, Blockly.blockRendering.Drawer);
/**
* @override
*/
Blockly.geras.Drawer.prototype.recordSizeOnBlock_ = function() {
// This is used when the block is reporting its size to anyone else.
// The dark path adds to the size of the block in both X and Y.
this.block_.height = this.info_.height +
this.constants_.DARK_PATH_OFFSET;
this.block_.width = this.info_.widthWithChildren +
this.constants_.DARK_PATH_OFFSET;
};
/**
* @override
*/
Blockly.geras.Drawer.prototype.drawTop_ = function() {
this.highlighter_.drawTopCorner(this.info_.topRow);
this.highlighter_.drawRightSideRow(this.info_.topRow);
Blockly.geras.Drawer.superClass_.drawTop_.call(this);
};
/**
* @override
*/
Blockly.geras.Drawer.prototype.drawJaggedEdge_ = function(row) {
this.highlighter_.drawJaggedEdge_(row);
Blockly.geras.Drawer.superClass_.drawJaggedEdge_.call(this, row);
};
/**
* @override
*/
Blockly.geras.Drawer.prototype.drawValueInput_ = function(row) {
this.highlighter_.drawValueInput(row);
Blockly.geras.Drawer.superClass_.drawValueInput_.call(this, row);
};
/**
* @override
*/
Blockly.geras.Drawer.prototype.drawStatementInput_ = function(row) {
this.highlighter_.drawStatementInput(row);
Blockly.geras.Drawer.superClass_.drawStatementInput_.call(this, row);
};
/**
* @override
*/
Blockly.geras.Drawer.prototype.drawRightSideRow_ = function(row) {
this.highlighter_.drawRightSideRow(row);
Blockly.geras.Drawer.superClass_.drawRightSideRow_.call(this, row);
};
/**
* @override
*/
Blockly.geras.Drawer.prototype.drawBottom_ = function() {
this.highlighter_.drawBottomRow(this.info_.bottomRow);
Blockly.geras.Drawer.superClass_.drawBottom_.call(this);
};
/**
* Add steps for the left side of the block, which may include an output
* connection
* @private
*/
Blockly.geras.Drawer.prototype.drawLeft_ = function() {
this.highlighter_.drawLeft();
Blockly.geras.Drawer.superClass_.drawLeft_.call(this);
};
/**
* @override
*/
Blockly.geras.Drawer.prototype.drawInlineInput_ = function(input) {
this.highlighter_.drawInlineInput(input);
Blockly.geras.Drawer.superClass_.drawInlineInput_.call(this, input);
};