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58 lines
1.8 KiB
JavaScript
58 lines
1.8 KiB
JavaScript
/**
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* @license
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* Copyright 2017 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 Utility methods for working with the Closure menu
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* (goog.ui.menu).
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* @author fenichel@google.com (Rachel Fenichel)
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*/
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'use strict';
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/**
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* @name Blockly.utils.uiMenu
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* @namespace
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*/
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goog.provide('Blockly.utils.uiMenu');
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goog.require('Blockly.utils.style');
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/**
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* Get the size of a rendered goog.ui.Menu.
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* @param {!Blockly.Menu} menu The menu to measure.
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* @return {!Blockly.utils.Size} Object with width and height properties.
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* @package
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*/
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Blockly.utils.uiMenu.getSize = function(menu) {
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var menuDom = menu.getElement();
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var menuSize = Blockly.utils.style.getSize(/** @type {!Element} */ (menuDom));
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// Recalculate height for the total content, not only box height.
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menuSize.height = menuDom.scrollHeight;
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return menuSize;
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};
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/**
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* Adjust the bounding boxes used to position the widget div to deal with RTL
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* goog.ui.Menu positioning. In RTL mode the menu renders down and to the left
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* of its start point, instead of down and to the right. Adjusting all of the
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* bounding boxes accordingly allows us to use the same code for all widgets.
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* This function in-place modifies the provided bounding boxes.
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* @param {!Object} viewportBBox The bounding rectangle of the current viewport,
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* in window coordinates.
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* @param {!Object} anchorBBox The bounding rectangle of the anchor, in window
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* coordinates.
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* @param {!Blockly.utils.Size} menuSize The size of the menu that is inside the
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* widget div, in window coordinates.
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* @package
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*/
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Blockly.utils.uiMenu.adjustBBoxesForRTL = function(viewportBBox, anchorBBox,
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menuSize) {
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anchorBBox.left += menuSize.width;
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anchorBBox.right += menuSize.width;
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viewportBBox.left += menuSize.width;
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viewportBBox.right += menuSize.width;
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};
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