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/**
* @license
* Copyright 2016 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @fileoverview Blockly constants.
* @author [email protected] (Rachel Fenichel)
*/
'use strict';
goog.provide('Blockly.constants');
/**
* The multiplier for scroll wheel deltas using the line delta mode.
* @type {number}
*/
Blockly.LINE_MODE_MULTIPLIER = 40;
/**
* The multiplier for scroll wheel deltas using the page delta mode.
* @type {number}
*/
Blockly.PAGE_MODE_MULTIPLIER = 125;
/**
* Number of pixels the mouse must move before a drag starts.
*/
Blockly.DRAG_RADIUS = 5;
/**
* Number of pixels the mouse must move before a drag/scroll starts from the
* flyout. Because the drag-intention is determined when this is reached, it is
* larger than Blockly.DRAG_RADIUS so that the drag-direction is clearer.
*/
Blockly.FLYOUT_DRAG_RADIUS = 10;
/**
* Maximum misalignment between connections for them to snap together.
*/
Blockly.SNAP_RADIUS = 28;
/**
* Maximum misalignment between connections for them to snap together,
* when a connection is already highlighted.
*/
Blockly.CONNECTING_SNAP_RADIUS = Blockly.SNAP_RADIUS;
/**
* How much to prefer staying connected to the current connection over moving to
* a new connection. The current previewed connection is considered to be this
* much closer to the matching connection on the block than it actually is.
*/
Blockly.CURRENT_CONNECTION_PREFERENCE = 8;
/**
* Delay in ms between trigger and bumping unconnected block out of alignment.
*/
Blockly.BUMP_DELAY = 250;
/**
* Maximum randomness in workspace units for bumping a block.
*/
Blockly.BUMP_RANDOMNESS = 10;
/**
* 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
* milliseconds.
*/
Blockly.SOUND_LIMIT = 100;
/**
* When dragging a block out of a stack, split the stack in two (true), or drag
* out the block healing the stack (false).
*/
Blockly.DRAG_STACK = true;
/**
* 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.
/**
* 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;
/**
* ENUM representing that an event is not in any delete areas.
* Null for backwards compatibility reasons.
* @const
*/
Blockly.DELETE_AREA_NONE = null;
/**
* ENUM representing that an event is in the delete area of the trash can.
* @const
*/
Blockly.DELETE_AREA_TRASH = 1;
/**
* ENUM representing that an event is in the delete area of the toolbox or
* flyout.
* @const
*/
Blockly.DELETE_AREA_TOOLBOX = 2;
/**
* String for use in the "custom" attribute of a category in toolbox XML.
* This string indicates that the category should be dynamically populated with
* variable blocks.
* @const {string}
*/
Blockly.VARIABLE_CATEGORY_NAME = 'VARIABLE';
/**
* String for use in the "custom" attribute of a category in toolbox XML.
* This string indicates that the category should be dynamically populated with
* variable blocks.
* @const {string}
*/
Blockly.VARIABLE_DYNAMIC_CATEGORY_NAME = 'VARIABLE_DYNAMIC';
/**
* String for use in the "custom" attribute of a category in toolbox XML.
* This string indicates that the category should be dynamically populated with
* procedure blocks.
* @const {string}
*/
Blockly.PROCEDURE_CATEGORY_NAME = 'PROCEDURE';
/**
* String for use in the dropdown created in field_variable.
* This string indicates that this option in the dropdown is 'Rename
* variable...' and if selected, should trigger the prompt to rename a variable.
* @const {string}
*/
Blockly.RENAME_VARIABLE_ID = 'RENAME_VARIABLE_ID';
/**
* String for use in the dropdown created in field_variable.
* This string indicates that this option in the dropdown is 'Delete the "%1"
* variable' and if selected, should trigger the prompt to delete a variable.
* @const {string}
*/
Blockly.DELETE_VARIABLE_ID = 'DELETE_VARIABLE_ID';