preprocessor.js
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var zrUtil = require("zrender/lib/core/util");
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
var DEFAULT_TOOLBOX_BTNS = ['rect', 'polygon', 'keep', 'clear'];
function _default(option, isNew) {
var brushComponents = option && option.brush;
if (!zrUtil.isArray(brushComponents)) {
brushComponents = brushComponents ? [brushComponents] : [];
}
if (!brushComponents.length) {
return;
}
var brushComponentSpecifiedBtns = [];
zrUtil.each(brushComponents, function (brushOpt) {
var tbs = brushOpt.hasOwnProperty('toolbox') ? brushOpt.toolbox : [];
if (tbs instanceof Array) {
brushComponentSpecifiedBtns = brushComponentSpecifiedBtns.concat(tbs);
}
});
var toolbox = option && option.toolbox;
if (zrUtil.isArray(toolbox)) {
toolbox = toolbox[0];
}
if (!toolbox) {
toolbox = {
feature: {}
};
option.toolbox = [toolbox];
}
var toolboxFeature = toolbox.feature || (toolbox.feature = {});
var toolboxBrush = toolboxFeature.brush || (toolboxFeature.brush = {});
var brushTypes = toolboxBrush.type || (toolboxBrush.type = []);
brushTypes.push.apply(brushTypes, brushComponentSpecifiedBtns);
removeDuplicate(brushTypes);
if (isNew && !brushTypes.length) {
brushTypes.push.apply(brushTypes, DEFAULT_TOOLBOX_BTNS);
}
}
function removeDuplicate(arr) {
var map = {};
zrUtil.each(arr, function (val) {
map[val] = 1;
});
arr.length = 0;
zrUtil.each(map, function (flag, val) {
arr.push(val);
});
}
module.exports = _default;