mirror of
https://github.com/google/blockly.git
synced 2026-01-09 01:50:11 +01:00
682 lines
18 KiB
JavaScript
682 lines
18 KiB
JavaScript
/**
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* @license
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* Copyright 2013 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @fileoverview Inject Blockly's CSS synchronously.
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* @author fraser@google.com (Neil Fraser)
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*/
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'use strict';
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/**
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* @name Blockly.Css
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* @namespace
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*/
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goog.provide('Blockly.Css');
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/**
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* Has CSS already been injected?
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* @type {boolean}
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* @private
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*/
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Blockly.Css.injected_ = false;
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/**
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* Add some CSS to the blob that will be injected later. Allows optional
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* components such as fields and the toolbox to store separate CSS.
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* The provided array of CSS will be destroyed by this function.
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* @param {!Array.<string>} cssArray Array of CSS strings.
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*/
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Blockly.Css.register = function(cssArray) {
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if (Blockly.Css.injected_) {
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throw Error('CSS already injected');
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}
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// Concatenate cssArray onto Blockly.Css.CONTENT.
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Array.prototype.push.apply(Blockly.Css.CONTENT, cssArray);
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cssArray.length = 0; // Garbage collect provided CSS content.
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};
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/**
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* Inject the CSS into the DOM. This is preferable over using a regular CSS
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* file since:
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* a) It loads synchronously and doesn't force a redraw later.
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* b) It speeds up loading by not blocking on a separate HTTP transfer.
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* c) The CSS content may be made dynamic depending on init options.
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* @param {boolean} hasCss If false, don't inject CSS
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* (providing CSS becomes the document's responsibility).
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* @param {string} pathToMedia Path from page to the Blockly media directory.
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*/
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Blockly.Css.inject = function(hasCss, pathToMedia) {
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// Only inject the CSS once.
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if (Blockly.Css.injected_) {
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return;
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}
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Blockly.Css.injected_ = true;
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var text = Blockly.Css.CONTENT.join('\n');
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Blockly.Css.CONTENT.length = 0; // Garbage collect CSS content.
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if (!hasCss) {
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return;
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}
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// Strip off any trailing slash (either Unix or Windows).
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var mediaPath = pathToMedia.replace(/[\\/]$/, '');
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text = text.replace(/<<<PATH>>>/g, mediaPath);
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// Inject CSS tag at start of head.
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var cssNode = document.createElement('style');
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cssNode.id = 'blockly-common-style';
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var cssTextNode = document.createTextNode(text);
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cssNode.appendChild(cssTextNode);
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document.head.insertBefore(cssNode, document.head.firstChild);
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};
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/**
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* Set the cursor to be displayed when over something draggable.
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* See See https://github.com/google/blockly/issues/981 for context.
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* @param {*} _cursor Enum.
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* @deprecated April 2017.
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*/
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Blockly.Css.setCursor = function(_cursor) {
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console.warn('Deprecated call to Blockly.Css.setCursor. ' +
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'See https://github.com/google/blockly/issues/981 for context');
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};
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/**
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* Array making up the CSS content for Blockly.
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*/
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Blockly.Css.CONTENT = [
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/* eslint-disable indent */
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'.blocklySvg {',
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'background-color: #fff;',
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'outline: none;',
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'overflow: hidden;', /* IE overflows by default. */
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'position: absolute;',
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'display: block;',
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'}',
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'.blocklyWidgetDiv {',
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'display: none;',
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'position: absolute;',
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'z-index: 99999;', /* big value for bootstrap3 compatibility */
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'}',
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'.injectionDiv {',
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'height: 100%;',
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'position: relative;',
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'overflow: hidden;', /* So blocks in drag surface disappear at edges */
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'touch-action: none;',
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'}',
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'.blocklyNonSelectable {',
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'user-select: none;',
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'-ms-user-select: none;',
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'-webkit-user-select: none;',
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'}',
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'.blocklyWsDragSurface {',
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'display: none;',
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'position: absolute;',
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'top: 0;',
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'left: 0;',
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'}',
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/* Added as a separate rule with multiple classes to make it more specific
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than a bootstrap rule that selects svg:root. See issue #1275 for context.
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*/
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'.blocklyWsDragSurface.blocklyOverflowVisible {',
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'overflow: visible;',
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'}',
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'.blocklyBlockDragSurface {',
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'display: none;',
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'position: absolute;',
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'top: 0;',
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'left: 0;',
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'right: 0;',
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'bottom: 0;',
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'overflow: visible !important;',
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'z-index: 50;', /* Display below toolbox, but above everything else. */
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'}',
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'.blocklyBlockCanvas.blocklyCanvasTransitioning,',
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'.blocklyBubbleCanvas.blocklyCanvasTransitioning {',
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'transition: transform .5s;',
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'}',
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'.blocklyTooltipDiv {',
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'background-color: #ffffc7;',
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'border: 1px solid #ddc;',
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'box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);',
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'color: #000;',
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'display: none;',
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'font-family: sans-serif;',
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'font-size: 9pt;',
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'opacity: .9;',
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'padding: 2px;',
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'position: absolute;',
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'z-index: 100000;', /* big value for bootstrap3 compatibility */
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'}',
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'.blocklyDropDownDiv {',
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'position: absolute;',
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'left: 0;',
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'top: 0;',
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'z-index: 1000;',
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'display: none;',
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'border: 1px solid;',
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'border-color: #dadce0;',
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'background-color: #fff;',
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'border-radius: 2px;',
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'padding: 4px;',
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'box-shadow: 0px 0px 3px 1px rgba(0,0,0,.3);',
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'}',
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'.blocklyDropDownDiv.focused {',
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'box-shadow: 0px 0px 6px 1px rgba(0,0,0,.3);',
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'}',
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'.blocklyDropDownContent {',
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'max-height: 300px;', // @todo: spec for maximum height.
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'overflow: auto;',
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'overflow-x: hidden;',
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'}',
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'.blocklyDropDownArrow {',
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'position: absolute;',
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'left: 0;',
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'top: 0;',
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'width: 16px;',
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'height: 16px;',
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'z-index: -1;',
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'background-color: inherit;',
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'border-color: inherit;',
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'}',
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'.blocklyDropDownButton {',
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'display: inline-block;',
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'float: left;',
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'padding: 0;',
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'margin: 4px;',
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'border-radius: 4px;',
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'outline: none;',
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'border: 1px solid;',
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'transition: box-shadow .1s;',
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'cursor: pointer;',
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'}',
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'.arrowTop {',
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'border-top: 1px solid;',
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'border-left: 1px solid;',
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'border-top-left-radius: 4px;',
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'border-color: inherit;',
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'}',
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'.arrowBottom {',
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'border-bottom: 1px solid;',
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'border-right: 1px solid;',
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'border-bottom-right-radius: 4px;',
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'border-color: inherit;',
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'}',
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'.blocklyResizeSE {',
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'cursor: se-resize;',
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'fill: #aaa;',
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'}',
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'.blocklyResizeSW {',
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'cursor: sw-resize;',
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'fill: #aaa;',
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'}',
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'.blocklyResizeLine {',
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'stroke: #515A5A;',
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'stroke-width: 1;',
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'}',
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'.blocklyHighlightedConnectionPath {',
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'fill: none;',
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'stroke: #fc3;',
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'stroke-width: 4px;',
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'}',
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'.blocklyPathLight {',
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'fill: none;',
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'stroke-linecap: round;',
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'stroke-width: 1;',
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'}',
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'.blocklySelected>.blocklyPathLight {',
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'display: none;',
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'}',
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'.blocklyDraggable {',
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/* backup for browsers (e.g. IE11) that don't support grab */
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'cursor: url("<<<PATH>>>/handopen.cur"), auto;',
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'cursor: grab;',
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'cursor: -webkit-grab;',
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'}',
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'.blocklyDragging {',
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/* backup for browsers (e.g. IE11) that don't support grabbing */
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'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',
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'cursor: grabbing;',
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'cursor: -webkit-grabbing;',
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'}',
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/* Changes cursor on mouse down. Not effective in Firefox because of
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https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
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'.blocklyDraggable:active {',
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/* backup for browsers (e.g. IE11) that don't support grabbing */
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'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',
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'cursor: grabbing;',
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'cursor: -webkit-grabbing;',
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'}',
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/* Change the cursor on the whole drag surface in case the mouse gets
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ahead of block during a drag. This way the cursor is still a closed hand.
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*/
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'.blocklyBlockDragSurface .blocklyDraggable {',
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/* backup for browsers (e.g. IE11) that don't support grabbing */
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'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',
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'cursor: grabbing;',
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'cursor: -webkit-grabbing;',
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'}',
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'.blocklyDragging.blocklyDraggingDelete {',
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'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',
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'}',
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'.blocklyDragging>.blocklyPath,',
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'.blocklyDragging>.blocklyPathLight {',
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'fill-opacity: .8;',
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'stroke-opacity: .8;',
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'}',
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'.blocklyDragging>.blocklyPathDark {',
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'display: none;',
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'}',
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'.blocklyDisabled>.blocklyPath {',
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'fill-opacity: .5;',
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'stroke-opacity: .5;',
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'}',
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'.blocklyDisabled>.blocklyPathLight,',
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'.blocklyDisabled>.blocklyPathDark {',
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'display: none;',
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'}',
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'.blocklyInsertionMarker>.blocklyPath,',
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'.blocklyInsertionMarker>.blocklyPathLight,',
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'.blocklyInsertionMarker>.blocklyPathDark {',
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'fill-opacity: .2;',
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'stroke: none',
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'}',
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'.blocklyMultilineText {',
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'font-family: monospace;',
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'}',
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'.blocklyNonEditableText>text {',
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'pointer-events: none;',
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'}',
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'.blocklyBubbleText {',
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'fill: #000;',
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'}',
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'.blocklyFlyout {',
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'position: absolute;',
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'z-index: 20;',
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'}',
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/*
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Don't allow users to select text. It gets annoying when trying to
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drag a block and selected text moves instead.
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*/
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'.blocklySvg text, .blocklyBlockDragSurface text {',
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'user-select: none;',
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'-ms-user-select: none;',
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'-webkit-user-select: none;',
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'cursor: inherit;',
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'}',
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'.blocklyHidden {',
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'display: none;',
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'}',
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'.blocklyFieldDropdown:not(.blocklyHidden) {',
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'display: block;',
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'}',
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'.blocklyIconGroup {',
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'cursor: default;',
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'}',
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'.blocklyIconGroup:not(:hover),',
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'.blocklyIconGroupReadonly {',
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'opacity: .6;',
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'}',
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'.blocklyIconShape {',
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'fill: #00f;',
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'stroke: #fff;',
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'stroke-width: 1px;',
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'}',
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'.blocklyIconSymbol {',
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'fill: #fff;',
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'}',
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'.blocklyMinimalBody {',
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'margin: 0;',
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'padding: 0;',
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'}',
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'.blocklyHtmlInput {',
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'border: none;',
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'border-radius: 4px;',
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'height: 100%;',
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'margin: 0;',
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'outline: none;',
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'padding: 0;',
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'width: 100%;',
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'text-align: center;',
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'display: block;',
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'box-sizing: border-box;',
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'}',
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/* Edge and IE introduce a close icon when the input value is longer than a
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certain length. This affects our sizing calculations of the text input.
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Hiding the close icon to avoid that. */
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'.blocklyHtmlInput::-ms-clear {',
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'display: none;',
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'}',
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'.blocklyMainBackground {',
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'stroke-width: 1;',
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'stroke: #c6c6c6;', /* Equates to #ddd due to border being off-pixel. */
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'}',
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'.blocklyMutatorBackground {',
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'fill: #fff;',
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'stroke: #ddd;',
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'stroke-width: 1;',
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'}',
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'.blocklyFlyoutBackground {',
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'fill: #ddd;',
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'fill-opacity: .8;',
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'}',
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'.blocklyMainWorkspaceScrollbar {',
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'z-index: 20;',
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'}',
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'.blocklyFlyoutScrollbar {',
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'z-index: 30;',
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'}',
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'.blocklyScrollbarHorizontal, .blocklyScrollbarVertical {',
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'position: absolute;',
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'outline: none;',
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'}',
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'.blocklyScrollbarBackground {',
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'opacity: 0;',
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'}',
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'.blocklyScrollbarHandle {',
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'fill: #ccc;',
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'}',
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'.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,',
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'.blocklyScrollbarHandle:hover {',
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'fill: #bbb;',
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'}',
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/* Darken flyout scrollbars due to being on a grey background. */
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/* By contrast, workspace scrollbars are on a white background. */
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'.blocklyFlyout .blocklyScrollbarHandle {',
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'fill: #bbb;',
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'}',
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'.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,',
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'.blocklyFlyout .blocklyScrollbarHandle:hover {',
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'fill: #aaa;',
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'}',
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'.blocklyInvalidInput {',
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'background: #faa;',
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'}',
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'.blocklyContextMenu {',
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'border-radius: 4px;',
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'max-height: 100%;',
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'}',
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'.blocklyDropdownMenu {',
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'border-radius: 2px;',
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'padding: 0 !important;',
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'}',
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'.blocklyWidgetDiv .blocklyDropdownMenu .goog-menuitem,',
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'.blocklyDropDownDiv .blocklyDropdownMenu .goog-menuitem {',
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/* 28px on the left for icon or checkbox. */
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'padding-left: 28px;',
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'}',
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/* BiDi override for the resting state. */
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/* #noflip */
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'.blocklyWidgetDiv .blocklyDropdownMenu .goog-menuitem.goog-menuitem-rtl,',
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'.blocklyDropDownDiv .blocklyDropdownMenu .goog-menuitem.goog-menuitem-rtl {',
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/* Flip left/right padding for BiDi. */
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'padding-left: 5px;',
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'padding-right: 28px;',
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'}',
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'.blocklyVerticalCursor {',
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'stroke-width: 3px;',
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'fill: rgba(255,255,255,.5);',
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'}',
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'.blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox,',
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'.blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon,',
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'.blocklyDropDownDiv .goog-option-selected .goog-menuitem-checkbox,',
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'.blocklyDropDownDiv .goog-option-selected .goog-menuitem-icon {',
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'background: url(<<<PATH>>>/sprites.png) no-repeat -48px -16px;',
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'}',
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/* Copied from: goog/css/menu.css */
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/*
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* Copyright 2009 The Closure Library Authors. All Rights Reserved.
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*
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* Use of this source code is governed by the Apache License, Version 2.0.
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* See the COPYING file for details.
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*/
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/**
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* Standard styling for menus created by goog.ui.MenuRenderer.
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*
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* @author attila@google.com (Attila Bodis)
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*/
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'.blocklyWidgetDiv .goog-menu {',
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'background: #fff;',
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'border-color: transparent;',
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'border-style: solid;',
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'border-width: 1px;',
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'cursor: default;',
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'font: normal 13px Arial, sans-serif;',
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'margin: 0;',
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'outline: none;',
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'padding: 4px 0;',
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'position: absolute;',
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'overflow-y: auto;',
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'overflow-x: hidden;',
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'max-height: 100%;',
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'z-index: 20000;', /* Arbitrary, but some apps depend on it... */
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'box-shadow: 0px 0px 3px 1px rgba(0,0,0,.3);',
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'}',
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'.blocklyWidgetDiv .goog-menu.focused {',
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'box-shadow: 0px 0px 6px 1px rgba(0,0,0,.3);',
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'}',
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'.blocklyDropDownDiv .goog-menu {',
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'cursor: default;',
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'font: normal 13px "Helvetica Neue", Helvetica, sans-serif;',
|
|
'outline: none;',
|
|
'z-index: 20000;', /* Arbitrary, but some apps depend on it... */
|
|
'}',
|
|
|
|
/* Copied from: goog/css/menuitem.css */
|
|
/*
|
|
* Copyright 2009 The Closure Library Authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by the Apache License, Version 2.0.
|
|
* See the COPYING file for details.
|
|
*/
|
|
|
|
/**
|
|
* Standard styling for menus created by goog.ui.MenuItemRenderer.
|
|
*
|
|
* @author attila@google.com (Attila Bodis)
|
|
*/
|
|
|
|
/**
|
|
* State: resting.
|
|
*
|
|
* NOTE(mleibman,chrishenry):
|
|
* The RTL support in Closure is provided via two mechanisms -- "rtl" CSS
|
|
* classes and BiDi flipping done by the CSS compiler. Closure supports RTL
|
|
* with or without the use of the CSS compiler. In order for them not to
|
|
* conflict with each other, the "rtl" CSS classes need to have the #noflip
|
|
* annotation. The non-rtl counterparts should ideally have them as well,
|
|
* but, since .goog-menuitem existed without .goog-menuitem-rtl for so long
|
|
* before being added, there is a risk of people having templates where they
|
|
* are not rendering the .goog-menuitem-rtl class when in RTL and instead
|
|
* rely solely on the BiDi flipping by the CSS compiler. That's why we're
|
|
* not adding the #noflip to .goog-menuitem.
|
|
*/
|
|
'.blocklyWidgetDiv .goog-menuitem,',
|
|
'.blocklyDropDownDiv .goog-menuitem {',
|
|
'color: #000;',
|
|
'font: normal 13px Arial, sans-serif;',
|
|
'list-style: none;',
|
|
'margin: 0;',
|
|
/* 7em on the right for shortcut. */
|
|
'min-width: 7em;',
|
|
'border: none;',
|
|
'padding: 6px 15px;',
|
|
'white-space: nowrap;',
|
|
'cursor: pointer;',
|
|
'}',
|
|
|
|
/* If a menu doesn't have checkable items or items with icons,
|
|
* remove padding.
|
|
*/
|
|
'.blocklyWidgetDiv .goog-menu-nocheckbox .goog-menuitem,',
|
|
'.blocklyWidgetDiv .goog-menu-noicon .goog-menuitem,',
|
|
'.blocklyDropDownDiv .goog-menu-nocheckbox .goog-menuitem,',
|
|
'.blocklyDropDownDiv .goog-menu-noicon .goog-menuitem {',
|
|
'padding-left: 12px;',
|
|
'}',
|
|
|
|
'.blocklyWidgetDiv .goog-menuitem-content,',
|
|
'.blocklyDropDownDiv .goog-menuitem-content {',
|
|
'font-family: Arial, sans-serif;',
|
|
'font-size: 13px;',
|
|
'}',
|
|
|
|
'.blocklyWidgetDiv .goog-menuitem-content {',
|
|
'color: #000;',
|
|
'}',
|
|
|
|
'.blocklyDropDownDiv .goog-menuitem-content {',
|
|
'color: #000;',
|
|
'}',
|
|
|
|
/* State: disabled. */
|
|
'.blocklyWidgetDiv .goog-menuitem-disabled,',
|
|
'.blocklyDropDownDiv .goog-menuitem-disabled {',
|
|
'cursor: inherit;',
|
|
'}',
|
|
|
|
'.blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-content,',
|
|
'.blocklyDropDownDiv .goog-menuitem-disabled .goog-menuitem-content {',
|
|
'color: #ccc !important;',
|
|
'}',
|
|
|
|
'.blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-icon,',
|
|
'.blocklyDropDownDiv .goog-menuitem-disabled .goog-menuitem-icon {',
|
|
'opacity: .3;',
|
|
'filter: alpha(opacity=30);',
|
|
'}',
|
|
|
|
/* State: hover. */
|
|
'.blocklyWidgetDiv .goog-menuitem-highlight ,',
|
|
'.blocklyDropDownDiv .goog-menuitem-highlight {',
|
|
'background-color: rgba(0,0,0,.1);',
|
|
'}',
|
|
|
|
/* State: selected/checked. */
|
|
'.blocklyWidgetDiv .goog-menuitem-checkbox,',
|
|
'.blocklyWidgetDiv .goog-menuitem-icon,',
|
|
'.blocklyDropDownDiv .goog-menuitem-checkbox,',
|
|
'.blocklyDropDownDiv .goog-menuitem-icon {',
|
|
'background-repeat: no-repeat;',
|
|
'height: 16px;',
|
|
'left: 6px;',
|
|
'position: absolute;',
|
|
'right: auto;',
|
|
'vertical-align: middle;',
|
|
'width: 16px;',
|
|
'}',
|
|
|
|
/* BiDi override for the selected/checked state. */
|
|
/* #noflip */
|
|
'.blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-checkbox,',
|
|
'.blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-icon,',
|
|
'.blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-checkbox,',
|
|
'.blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-icon {',
|
|
/* Flip left/right positioning. */
|
|
'left: auto;',
|
|
'right: 6px;',
|
|
'}',
|
|
|
|
'.blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox,',
|
|
'.blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon,',
|
|
'.blocklyDropDownDiv .goog-option-selected .goog-menuitem-checkbox,',
|
|
'.blocklyDropDownDiv .goog-option-selected .goog-menuitem-icon {',
|
|
'position: static;', /* Scroll with the menu. */
|
|
'float: left;',
|
|
'margin-left: -24px;',
|
|
'}',
|
|
|
|
'.blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-checkbox,',
|
|
'.blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-icon,',
|
|
'.blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-checkbox,',
|
|
'.blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-icon {',
|
|
'float: right;',
|
|
'margin-right: -24px;',
|
|
'}',
|
|
|
|
'.blocklyComputeCanvas {',
|
|
'position: absolute;',
|
|
'width: 0;',
|
|
'height: 0;',
|
|
'}',
|
|
/* eslint-enable indent */
|
|
];
|