mirror of
https://github.com/google/blockly.git
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111 lines
3.2 KiB
JavaScript
111 lines
3.2 KiB
JavaScript
/**
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* @license
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* Copyright 2019 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @fileoverview An object representing a single row on a rendered block and all
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* of its subcomponents.
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* @author samelh@google.com (Sam El-Husseini)
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*/
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'use strict';
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goog.provide('Blockly.zelos.BottomRow');
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goog.provide('Blockly.zelos.TopRow');
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goog.require('Blockly.blockRendering.BottomRow');
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goog.require('Blockly.blockRendering.SpacerRow');
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goog.require('Blockly.blockRendering.TopRow');
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goog.require('Blockly.utils.object');
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goog.requireType('Blockly.blockRendering.ConstantProvider');
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/**
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* An object containing information about what elements are in the top row of a
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* block as well as sizing information for the top row.
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* Elements in a top row can consist of corners, hats, spacers, and previous
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* connections.
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* After this constructor is called, the row will contain all non-spacer
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* elements it needs.
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* @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
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* constants provider.
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* @package
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* @constructor
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* @extends {Blockly.blockRendering.TopRow}
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*/
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Blockly.zelos.TopRow = function(constants) {
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Blockly.zelos.TopRow.superClass_.constructor.call(this, constants);
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};
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Blockly.utils.object.inherits(Blockly.zelos.TopRow,
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Blockly.blockRendering.TopRow);
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/**
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* @override
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*/
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Blockly.zelos.TopRow.prototype.endsWithElemSpacer = function() {
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return false;
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};
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/**
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* Render a round corner unless the block has an output connection.
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* @override
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*/
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Blockly.zelos.TopRow.prototype.hasLeftSquareCorner = function(block) {
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var hasHat = (block.hat ?
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block.hat === 'cap' : this.constants_.ADD_START_HATS) &&
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!block.outputConnection && !block.previousConnection;
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return !!block.outputConnection || hasHat;
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};
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/**
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* Render a round corner unless the block has an output connection.
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* @override
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*/
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Blockly.zelos.TopRow.prototype.hasRightSquareCorner = function(block) {
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return !!block.outputConnection && !block.statementInputCount &&
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!block.nextConnection;
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};
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/**
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* An object containing information about what elements are in the bottom row of
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* a block as well as spacing information for the top row.
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* Elements in a bottom row can consist of corners, spacers and next
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* connections.
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* @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
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* constants provider.
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* @package
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* @constructor
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* @extends {Blockly.blockRendering.BottomRow}
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*/
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Blockly.zelos.BottomRow = function(constants) {
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Blockly.zelos.BottomRow.superClass_.constructor.call(this, constants);
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};
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Blockly.utils.object.inherits(Blockly.zelos.BottomRow,
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Blockly.blockRendering.BottomRow);
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/**
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* @override
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*/
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Blockly.zelos.BottomRow.prototype.endsWithElemSpacer = function() {
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return false;
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};
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/**
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* Render a round corner unless the block has an output connection.
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* @override
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*/
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Blockly.zelos.BottomRow.prototype.hasLeftSquareCorner = function(block) {
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return !!block.outputConnection;
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};
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/**
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* Render a round corner unless the block has an output connection.
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* @override
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*/
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Blockly.zelos.BottomRow.prototype.hasRightSquareCorner = function(block) {
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return !!block.outputConnection && !block.statementInputCount &&
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!block.nextConnection;
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};
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