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449
frontend/node_modules/echarts/lib/util/layout.js
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449
frontend/node_modules/echarts/lib/util/layout.js
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. 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,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/**
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* AUTO-GENERATED FILE. DO NOT MODIFY.
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*/
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. 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,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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// Layout helpers for each component positioning
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import * as zrUtil from 'zrender/lib/core/util.js';
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import BoundingRect from 'zrender/lib/core/BoundingRect.js';
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import { parsePercent } from './number.js';
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import * as formatUtil from './format.js';
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var each = zrUtil.each;
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/**
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* @public
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*/
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export var LOCATION_PARAMS = ['left', 'right', 'top', 'bottom', 'width', 'height'];
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/**
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* @public
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*/
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export var HV_NAMES = [['width', 'left', 'right'], ['height', 'top', 'bottom']];
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function boxLayout(orient, group, gap, maxWidth, maxHeight) {
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var x = 0;
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var y = 0;
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if (maxWidth == null) {
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maxWidth = Infinity;
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}
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if (maxHeight == null) {
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maxHeight = Infinity;
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}
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var currentLineMaxSize = 0;
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group.eachChild(function (child, idx) {
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var rect = child.getBoundingRect();
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var nextChild = group.childAt(idx + 1);
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var nextChildRect = nextChild && nextChild.getBoundingRect();
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var nextX;
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var nextY;
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if (orient === 'horizontal') {
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var moveX = rect.width + (nextChildRect ? -nextChildRect.x + rect.x : 0);
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nextX = x + moveX;
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// Wrap when width exceeds maxWidth or meet a `newline` group
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// FIXME compare before adding gap?
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if (nextX > maxWidth || child.newline) {
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x = 0;
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nextX = moveX;
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y += currentLineMaxSize + gap;
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currentLineMaxSize = rect.height;
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} else {
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// FIXME: consider rect.y is not `0`?
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currentLineMaxSize = Math.max(currentLineMaxSize, rect.height);
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}
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} else {
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var moveY = rect.height + (nextChildRect ? -nextChildRect.y + rect.y : 0);
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nextY = y + moveY;
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// Wrap when width exceeds maxHeight or meet a `newline` group
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if (nextY > maxHeight || child.newline) {
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x += currentLineMaxSize + gap;
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y = 0;
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nextY = moveY;
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currentLineMaxSize = rect.width;
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} else {
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currentLineMaxSize = Math.max(currentLineMaxSize, rect.width);
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}
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}
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if (child.newline) {
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return;
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}
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child.x = x;
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child.y = y;
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child.markRedraw();
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orient === 'horizontal' ? x = nextX + gap : y = nextY + gap;
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});
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}
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/**
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* VBox or HBox layouting
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* @param {string} orient
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* @param {module:zrender/graphic/Group} group
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* @param {number} gap
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* @param {number} [width=Infinity]
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* @param {number} [height=Infinity]
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*/
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export var box = boxLayout;
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/**
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* VBox layouting
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* @param {module:zrender/graphic/Group} group
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* @param {number} gap
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* @param {number} [width=Infinity]
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* @param {number} [height=Infinity]
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*/
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export var vbox = zrUtil.curry(boxLayout, 'vertical');
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/**
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* HBox layouting
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* @param {module:zrender/graphic/Group} group
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* @param {number} gap
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* @param {number} [width=Infinity]
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* @param {number} [height=Infinity]
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*/
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export var hbox = zrUtil.curry(boxLayout, 'horizontal');
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/**
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* If x or x2 is not specified or 'center' 'left' 'right',
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* the width would be as long as possible.
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* If y or y2 is not specified or 'middle' 'top' 'bottom',
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* the height would be as long as possible.
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*/
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export function getAvailableSize(positionInfo, containerRect, margin) {
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var containerWidth = containerRect.width;
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var containerHeight = containerRect.height;
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var x = parsePercent(positionInfo.left, containerWidth);
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var y = parsePercent(positionInfo.top, containerHeight);
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var x2 = parsePercent(positionInfo.right, containerWidth);
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var y2 = parsePercent(positionInfo.bottom, containerHeight);
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(isNaN(x) || isNaN(parseFloat(positionInfo.left))) && (x = 0);
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(isNaN(x2) || isNaN(parseFloat(positionInfo.right))) && (x2 = containerWidth);
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(isNaN(y) || isNaN(parseFloat(positionInfo.top))) && (y = 0);
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(isNaN(y2) || isNaN(parseFloat(positionInfo.bottom))) && (y2 = containerHeight);
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margin = formatUtil.normalizeCssArray(margin || 0);
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return {
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width: Math.max(x2 - x - margin[1] - margin[3], 0),
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height: Math.max(y2 - y - margin[0] - margin[2], 0)
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};
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}
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/**
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* Parse position info.
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*/
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export function getLayoutRect(positionInfo, containerRect, margin) {
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margin = formatUtil.normalizeCssArray(margin || 0);
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var containerWidth = containerRect.width;
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var containerHeight = containerRect.height;
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var left = parsePercent(positionInfo.left, containerWidth);
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var top = parsePercent(positionInfo.top, containerHeight);
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var right = parsePercent(positionInfo.right, containerWidth);
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var bottom = parsePercent(positionInfo.bottom, containerHeight);
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var width = parsePercent(positionInfo.width, containerWidth);
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var height = parsePercent(positionInfo.height, containerHeight);
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var verticalMargin = margin[2] + margin[0];
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var horizontalMargin = margin[1] + margin[3];
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var aspect = positionInfo.aspect;
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// If width is not specified, calculate width from left and right
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if (isNaN(width)) {
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width = containerWidth - right - horizontalMargin - left;
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}
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if (isNaN(height)) {
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height = containerHeight - bottom - verticalMargin - top;
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}
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if (aspect != null) {
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// If width and height are not given
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// 1. Graph should not exceeds the container
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// 2. Aspect must be keeped
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// 3. Graph should take the space as more as possible
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// FIXME
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// Margin is not considered, because there is no case that both
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// using margin and aspect so far.
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if (isNaN(width) && isNaN(height)) {
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if (aspect > containerWidth / containerHeight) {
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width = containerWidth * 0.8;
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} else {
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height = containerHeight * 0.8;
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}
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}
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// Calculate width or height with given aspect
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if (isNaN(width)) {
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width = aspect * height;
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}
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if (isNaN(height)) {
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height = width / aspect;
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}
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}
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// If left is not specified, calculate left from right and width
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if (isNaN(left)) {
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left = containerWidth - right - width - horizontalMargin;
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}
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if (isNaN(top)) {
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top = containerHeight - bottom - height - verticalMargin;
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}
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// Align left and top
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switch (positionInfo.left || positionInfo.right) {
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case 'center':
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left = containerWidth / 2 - width / 2 - margin[3];
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break;
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case 'right':
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left = containerWidth - width - horizontalMargin;
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break;
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}
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switch (positionInfo.top || positionInfo.bottom) {
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case 'middle':
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case 'center':
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top = containerHeight / 2 - height / 2 - margin[0];
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break;
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case 'bottom':
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top = containerHeight - height - verticalMargin;
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break;
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}
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// If something is wrong and left, top, width, height are calculated as NaN
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left = left || 0;
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top = top || 0;
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if (isNaN(width)) {
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// Width may be NaN if only one value is given except width
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width = containerWidth - horizontalMargin - left - (right || 0);
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}
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if (isNaN(height)) {
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// Height may be NaN if only one value is given except height
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height = containerHeight - verticalMargin - top - (bottom || 0);
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}
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var rect = new BoundingRect(left + margin[3], top + margin[0], width, height);
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rect.margin = margin;
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return rect;
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}
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/**
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* Position a zr element in viewport
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* Group position is specified by either
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* {left, top}, {right, bottom}
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* If all properties exists, right and bottom will be igonred.
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*
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* Logic:
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* 1. Scale (against origin point in parent coord)
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* 2. Rotate (against origin point in parent coord)
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* 3. Translate (with el.position by this method)
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* So this method only fixes the last step 'Translate', which does not affect
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* scaling and rotating.
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*
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* If be called repeatedly with the same input el, the same result will be gotten.
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*
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* Return true if the layout happened.
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*
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* @param el Should have `getBoundingRect` method.
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* @param positionInfo
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* @param positionInfo.left
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* @param positionInfo.top
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* @param positionInfo.right
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* @param positionInfo.bottom
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* @param positionInfo.width Only for opt.boundingModel: 'raw'
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* @param positionInfo.height Only for opt.boundingModel: 'raw'
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* @param containerRect
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* @param margin
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* @param opt
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* @param opt.hv Only horizontal or only vertical. Default to be [1, 1]
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* @param opt.boundingMode
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* Specify how to calculate boundingRect when locating.
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* 'all': Position the boundingRect that is transformed and uioned
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* both itself and its descendants.
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* This mode simplies confine the elements in the bounding
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* of their container (e.g., using 'right: 0').
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* 'raw': Position the boundingRect that is not transformed and only itself.
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* This mode is useful when you want a element can overflow its
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* container. (Consider a rotated circle needs to be located in a corner.)
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* In this mode positionInfo.width/height can only be number.
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*/
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export function positionElement(el, positionInfo, containerRect, margin, opt, out) {
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var h = !opt || !opt.hv || opt.hv[0];
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var v = !opt || !opt.hv || opt.hv[1];
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var boundingMode = opt && opt.boundingMode || 'all';
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out = out || el;
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out.x = el.x;
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out.y = el.y;
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if (!h && !v) {
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return false;
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}
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var rect;
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if (boundingMode === 'raw') {
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rect = el.type === 'group' ? new BoundingRect(0, 0, +positionInfo.width || 0, +positionInfo.height || 0) : el.getBoundingRect();
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} else {
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rect = el.getBoundingRect();
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if (el.needLocalTransform()) {
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var transform = el.getLocalTransform();
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// Notice: raw rect may be inner object of el,
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// which should not be modified.
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rect = rect.clone();
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rect.applyTransform(transform);
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}
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}
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// The real width and height can not be specified but calculated by the given el.
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var layoutRect = getLayoutRect(zrUtil.defaults({
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width: rect.width,
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height: rect.height
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}, positionInfo), containerRect, margin);
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// Because 'tranlate' is the last step in transform
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// (see zrender/core/Transformable#getLocalTransform),
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// we can just only modify el.position to get final result.
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var dx = h ? layoutRect.x - rect.x : 0;
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var dy = v ? layoutRect.y - rect.y : 0;
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if (boundingMode === 'raw') {
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out.x = dx;
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out.y = dy;
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} else {
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out.x += dx;
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out.y += dy;
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}
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if (out === el) {
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el.markRedraw();
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}
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return true;
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}
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/**
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* @param option Contains some of the properties in HV_NAMES.
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* @param hvIdx 0: horizontal; 1: vertical.
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*/
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export function sizeCalculable(option, hvIdx) {
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return option[HV_NAMES[hvIdx][0]] != null || option[HV_NAMES[hvIdx][1]] != null && option[HV_NAMES[hvIdx][2]] != null;
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}
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export function fetchLayoutMode(ins) {
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var layoutMode = ins.layoutMode || ins.constructor.layoutMode;
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return zrUtil.isObject(layoutMode) ? layoutMode : layoutMode ? {
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type: layoutMode
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} : null;
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}
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/**
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* Consider Case:
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* When default option has {left: 0, width: 100}, and we set {right: 0}
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* through setOption or media query, using normal zrUtil.merge will cause
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* {right: 0} does not take effect.
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*
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* @example
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* ComponentModel.extend({
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* init: function () {
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* ...
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* let inputPositionParams = layout.getLayoutParams(option);
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* this.mergeOption(inputPositionParams);
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* },
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* mergeOption: function (newOption) {
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* newOption && zrUtil.merge(thisOption, newOption, true);
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* layout.mergeLayoutParam(thisOption, newOption);
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* }
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* });
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*
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* @param targetOption
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* @param newOption
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* @param opt
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*/
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export function mergeLayoutParam(targetOption, newOption, opt) {
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var ignoreSize = opt && opt.ignoreSize;
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!zrUtil.isArray(ignoreSize) && (ignoreSize = [ignoreSize, ignoreSize]);
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var hResult = merge(HV_NAMES[0], 0);
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var vResult = merge(HV_NAMES[1], 1);
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copy(HV_NAMES[0], targetOption, hResult);
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copy(HV_NAMES[1], targetOption, vResult);
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function merge(names, hvIdx) {
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var newParams = {};
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var newValueCount = 0;
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var merged = {};
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var mergedValueCount = 0;
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var enoughParamNumber = 2;
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each(names, function (name) {
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merged[name] = targetOption[name];
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});
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each(names, function (name) {
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// Consider case: newOption.width is null, which is
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// set by user for removing width setting.
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hasProp(newOption, name) && (newParams[name] = merged[name] = newOption[name]);
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hasValue(newParams, name) && newValueCount++;
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hasValue(merged, name) && mergedValueCount++;
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});
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if (ignoreSize[hvIdx]) {
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// Only one of left/right is premitted to exist.
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if (hasValue(newOption, names[1])) {
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merged[names[2]] = null;
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} else if (hasValue(newOption, names[2])) {
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merged[names[1]] = null;
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}
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return merged;
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}
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// Case: newOption: {width: ..., right: ...},
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// or targetOption: {right: ...} and newOption: {width: ...},
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// There is no conflict when merged only has params count
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// little than enoughParamNumber.
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if (mergedValueCount === enoughParamNumber || !newValueCount) {
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return merged;
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}
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// Case: newOption: {width: ..., right: ...},
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// Than we can make sure user only want those two, and ignore
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// all origin params in targetOption.
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else if (newValueCount >= enoughParamNumber) {
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return newParams;
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} else {
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// Chose another param from targetOption by priority.
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for (var i = 0; i < names.length; i++) {
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var name_1 = names[i];
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if (!hasProp(newParams, name_1) && hasProp(targetOption, name_1)) {
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newParams[name_1] = targetOption[name_1];
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break;
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}
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}
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return newParams;
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}
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}
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function hasProp(obj, name) {
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return obj.hasOwnProperty(name);
|
||||
}
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||||
function hasValue(obj, name) {
|
||||
return obj[name] != null && obj[name] !== 'auto';
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}
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||||
function copy(names, target, source) {
|
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each(names, function (name) {
|
||||
target[name] = source[name];
|
||||
});
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Retrieve 'left', 'right', 'top', 'bottom', 'width', 'height' from object.
|
||||
*/
|
||||
export function getLayoutParams(source) {
|
||||
return copyLayoutParams({}, source);
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||||
}
|
||||
/**
|
||||
* Retrieve 'left', 'right', 'top', 'bottom', 'width', 'height' from object.
|
||||
* @param {Object} source
|
||||
* @return {Object} Result contains those props.
|
||||
*/
|
||||
export function copyLayoutParams(target, source) {
|
||||
source && target && each(LOCATION_PARAMS, function (name) {
|
||||
source.hasOwnProperty(name) && (target[name] = source[name]);
|
||||
});
|
||||
return target;
|
||||
}
|
||||
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Block a user