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/**
* @license
* Visual Blocks Editor
*
* Copyright 2016 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 Blockly constants.
* @author fenichel@google.com (Rachel Fenichel)
*/
'use strict';
goog.provide('Blockly.constants');
/**
* Number of pixels the mouse must move before a drag starts.
*/
Blockly.DRAG_RADIUS = 5;
/**
* Maximum misalignment between connections for them to snap together.
*/
Blockly.SNAP_RADIUS = 20;
/**
* Delay in ms between trigger and bumping unconnected block out of alignment.
*/
Blockly.BUMP_DELAY = 250;
/**
* Number of characters to truncate a collapsed block to.
*/
Blockly.COLLAPSE_CHARS = 30;
/**
* Length in ms for a touch to become a long press.
*/
Blockly.LONGPRESS = 750;
/**
* Prevent a sound from playing if another sound preceded it within this many
* miliseconds.
*/
Blockly.SOUND_LIMIT = 100;
/**
* The richness of block colours, regardless of the hue.
* Must be in the range of 0 (inclusive) to 1 (exclusive).
*/
Blockly.HSV_SATURATION = 0.45;
/**
* The intensity of block colours, regardless of the hue.
* Must be in the range of 0 (inclusive) to 1 (exclusive).
*/
Blockly.HSV_VALUE = 0.65;
/**
* Sprited icons and images.
*/
Blockly.SPRITE = {
width: 96,
height: 124,
url: 'sprites.png'
};
// Constants below this point are not intended to be changed.
/**
* Required name space for SVG elements.
* @const
*/
Blockly.SVG_NS = 'http://www.w3.org/2000/svg';
/**
* Required name space for HTML elements.
* @const
*/
Blockly.HTML_NS = 'http://www.w3.org/1999/xhtml';
/**
* ENUM for a right-facing value input. E.g. 'set item to' or 'return'.
* @const
*/
Blockly.INPUT_VALUE = 1;
/**
* ENUM for a left-facing value output. E.g. 'random fraction'.
* @const
*/
Blockly.OUTPUT_VALUE = 2;
/**
* ENUM for a down-facing block stack. E.g. 'if-do' or 'else'.
* @const
*/
Blockly.NEXT_STATEMENT = 3;
/**
* ENUM for an up-facing block stack. E.g. 'break out of loop'.
* @const
*/
Blockly.PREVIOUS_STATEMENT = 4;
/**
* ENUM for an dummy input. Used to add field(s) with no input.
* @const
*/
Blockly.DUMMY_INPUT = 5;
/**
* ENUM for left alignment.
* @const
*/
Blockly.ALIGN_LEFT = -1;
/**
* ENUM for centre alignment.
* @const
*/
Blockly.ALIGN_CENTRE = 0;
/**
* ENUM for right alignment.
* @const
*/
Blockly.ALIGN_RIGHT = 1;
/**
* ENUM for no drag operation.
* @const
*/
Blockly.DRAG_NONE = 0;
/**
* ENUM for inside the sticky DRAG_RADIUS.
* @const
*/
Blockly.DRAG_STICKY = 1;
/**
* ENUM for inside the non-sticky DRAG_RADIUS, for differentiating between
* clicks and drags.
* @const
*/
Blockly.DRAG_BEGIN = 1;
/**
* ENUM for freely draggable (outside the DRAG_RADIUS, if one applies).
* @const
*/
Blockly.DRAG_FREE = 2;
/**
* Lookup table for determining the opposite type of a connection.
* @const
*/
Blockly.OPPOSITE_TYPE = [];
Blockly.OPPOSITE_TYPE[Blockly.INPUT_VALUE] = Blockly.OUTPUT_VALUE;
Blockly.OPPOSITE_TYPE[Blockly.OUTPUT_VALUE] = Blockly.INPUT_VALUE;
Blockly.OPPOSITE_TYPE[Blockly.NEXT_STATEMENT] = Blockly.PREVIOUS_STATEMENT;
Blockly.OPPOSITE_TYPE[Blockly.PREVIOUS_STATEMENT] = Blockly.NEXT_STATEMENT;
/**
* ENUM for toolbox and flyout at top of screen.
* @const
*/
Blockly.TOOLBOX_AT_TOP = 0;
/**
* ENUM for toolbox and flyout at bottom of screen.
* @const
*/
Blockly.TOOLBOX_AT_BOTTOM = 1;
/**
* ENUM for toolbox and flyout at left of screen.
* @const
*/
Blockly.TOOLBOX_AT_LEFT = 2;
/**
* ENUM for toolbox and flyout at right of screen.
* @const
*/
Blockly.TOOLBOX_AT_RIGHT = 3;
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