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Viewing file:     Global.js (23.86 KB)      -rw-r--r--

/*
* 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.
*/

/**
 * ECharts global model
 *
 * @module {echarts/model/Global}
 */


/**
 * Caution: If the mechanism should be changed some day, these cases
 * should be considered:
 *
 * (1) In `merge option` mode, if using the same option to call `setOption`
 * many times, the result should be the same (try our best to ensure that).
 * (2) In `merge option` mode, if a component has no id/name specified, it
 * will be merged by index, and the result sequence of the components is
 * consistent to the original sequence.
 * (3) `reset` feature (in toolbox). Find detailed info in comments about
 * `mergeOption` in module:echarts/model/OptionManager.
 */

import {__DEV__} from '../config';
import {
    each, filter, map, isArray, indexOf, isObject, isString,
    createHashMap, assert, clone, merge, extend, mixin
} from 'zrender/src/core/util';
import * as modelUtil from '../util/model';
import Model from './Model';
import ComponentModel from './Component';
import globalDefault from './globalDefault';
import colorPaletteMixin from './mixin/colorPalette';
import {resetSourceDefaulter} from '../data/helper/sourceHelper';

var OPTION_INNER_KEY = '\0_ec_inner';

/**
 * @alias module:echarts/model/Global
 *
 * @param {Object} option
 * @param {module:echarts/model/Model} parentModel
 * @param {Object} theme
 */
var GlobalModel = Model.extend({

    init: function (option, parentModel, theme, optionManager) {
        theme = theme || {};

        this.option = null; // Mark as not initialized.

        /**
         * @type {module:echarts/model/Model}
         * @private
         */
        this._theme = new Model(theme);

        /**
         * @type {module:echarts/model/OptionManager}
         */
        this._optionManager = optionManager;
    },

    setOption: function (option, optionPreprocessorFuncs) {
        assert(
            !(OPTION_INNER_KEY in option),
            'please use chart.getOption()'
        );

        this._optionManager.setOption(option, optionPreprocessorFuncs);

        this.resetOption(null);
    },

    /**
     * @param {string} type null/undefined: reset all.
     *                      'recreate': force recreate all.
     *                      'timeline': only reset timeline option
     *                      'media': only reset media query option
     * @return {boolean} Whether option changed.
     */
    resetOption: function (type) {
        var optionChanged = false;
        var optionManager = this._optionManager;

        if (!type || type === 'recreate') {
            var baseOption = optionManager.mountOption(type === 'recreate');

            if (!this.option || type === 'recreate') {
                initBase.call(this, baseOption);
            }
            else {
                this.restoreData();
                this.mergeOption(baseOption);
            }
            optionChanged = true;
        }

        if (type === 'timeline' || type === 'media') {
            this.restoreData();
        }

        if (!type || type === 'recreate' || type === 'timeline') {
            var timelineOption = optionManager.getTimelineOption(this);
            timelineOption && (this.mergeOption(timelineOption), optionChanged = true);
        }

        if (!type || type === 'recreate' || type === 'media') {
            var mediaOptions = optionManager.getMediaOption(this, this._api);
            if (mediaOptions.length) {
                each(mediaOptions, function (mediaOption) {
                    this.mergeOption(mediaOption, optionChanged = true);
                }, this);
            }
        }

        return optionChanged;
    },

    /**
     * @protected
     */
    mergeOption: function (newOption) {
        var option = this.option;
        var componentsMap = this._componentsMap;
        var newCptTypes = [];

        resetSourceDefaulter(this);

        // If no component class, merge directly.
        // For example: color, animaiton options, etc.
        each(newOption, function (componentOption, mainType) {
            if (componentOption == null) {
                return;
            }

            if (!ComponentModel.hasClass(mainType)) {
                // globalSettingTask.dirty();
                option[mainType] = option[mainType] == null
                    ? clone(componentOption)
                    : merge(option[mainType], componentOption, true);
            }
            else if (mainType) {
                newCptTypes.push(mainType);
            }
        });

        ComponentModel.topologicalTravel(
            newCptTypes, ComponentModel.getAllClassMainTypes(), visitComponent, this
        );

        function visitComponent(mainType, dependencies) {

            var newCptOptionList = modelUtil.normalizeToArray(newOption[mainType]);

            var mapResult = modelUtil.mappingToExists(
                componentsMap.get(mainType), newCptOptionList
            );

            modelUtil.makeIdAndName(mapResult);

            // Set mainType and complete subType.
            each(mapResult, function (item, index) {
                var opt = item.option;
                if (isObject(opt)) {
                    item.keyInfo.mainType = mainType;
                    item.keyInfo.subType = determineSubType(mainType, opt, item.exist);
                }
            });

            var dependentModels = getComponentsByTypes(
                componentsMap, dependencies
            );

            option[mainType] = [];
            componentsMap.set(mainType, []);

            each(mapResult, function (resultItem, index) {
                var componentModel = resultItem.exist;
                var newCptOption = resultItem.option;

                assert(
                    isObject(newCptOption) || componentModel,
                    'Empty component definition'
                );

                // Consider where is no new option and should be merged using {},
                // see removeEdgeAndAdd in topologicalTravel and
                // ComponentModel.getAllClassMainTypes.
                if (!newCptOption) {
                    componentModel.mergeOption({}, this);
                    componentModel.optionUpdated({}, false);
                }
                else {
                    var ComponentModelClass = ComponentModel.getClass(
                        mainType, resultItem.keyInfo.subType, true
                    );

                    if (componentModel && componentModel.constructor === ComponentModelClass) {
                        componentModel.name = resultItem.keyInfo.name;
                        // componentModel.settingTask && componentModel.settingTask.dirty();
                        componentModel.mergeOption(newCptOption, this);
                        componentModel.optionUpdated(newCptOption, false);
                    }
                    else {
                        // PENDING Global as parent ?
                        var extraOpt = extend(
                            {
                                dependentModels: dependentModels,
                                componentIndex: index
                            },
                            resultItem.keyInfo
                        );
                        componentModel = new ComponentModelClass(
                            newCptOption, this, this, extraOpt
                        );
                        extend(componentModel, extraOpt);
                        componentModel.init(newCptOption, this, this, extraOpt);

                        // Call optionUpdated after init.
                        // newCptOption has been used as componentModel.option
                        // and may be merged with theme and default, so pass null
                        // to avoid confusion.
                        componentModel.optionUpdated(null, true);
                    }
                }

                componentsMap.get(mainType)[index] = componentModel;
                option[mainType][index] = componentModel.option;
            }, this);

            // Backup series for filtering.
            if (mainType === 'series') {
                createSeriesIndices(this, componentsMap.get('series'));
            }
        }

        this._seriesIndicesMap = createHashMap(
            this._seriesIndices = this._seriesIndices || []
        );
    },

    /**
     * Get option for output (cloned option and inner info removed)
     * @public
     * @return {Object}
     */
    getOption: function () {
        var option = clone(this.option);

        each(option, function (opts, mainType) {
            if (ComponentModel.hasClass(mainType)) {
                var opts = modelUtil.normalizeToArray(opts);
                for (var i = opts.length - 1; i >= 0; i--) {
                    // Remove options with inner id.
                    if (modelUtil.isIdInner(opts[i])) {
                        opts.splice(i, 1);
                    }
                }
                option[mainType] = opts;
            }
        });

        delete option[OPTION_INNER_KEY];

        return option;
    },

    /**
     * @return {module:echarts/model/Model}
     */
    getTheme: function () {
        return this._theme;
    },

    /**
     * @param {string} mainType
     * @param {number} [idx=0]
     * @return {module:echarts/model/Component}
     */
    getComponent: function (mainType, idx) {
        var list = this._componentsMap.get(mainType);
        if (list) {
            return list[idx || 0];
        }
    },

    /**
     * If none of index and id and name used, return all components with mainType.
     * @param {Object} condition
     * @param {string} condition.mainType
     * @param {string} [condition.subType] If ignore, only query by mainType
     * @param {number|Array.<number>} [condition.index] Either input index or id or name.
     * @param {string|Array.<string>} [condition.id] Either input index or id or name.
     * @param {string|Array.<string>} [condition.name] Either input index or id or name.
     * @return {Array.<module:echarts/model/Component>}
     */
    queryComponents: function (condition) {
        var mainType = condition.mainType;
        if (!mainType) {
            return [];
        }

        var index = condition.index;
        var id = condition.id;
        var name = condition.name;

        var cpts = this._componentsMap.get(mainType);

        if (!cpts || !cpts.length) {
            return [];
        }

        var result;

        if (index != null) {
            if (!isArray(index)) {
                index = [index];
            }
            result = filter(map(index, function (idx) {
                return cpts[idx];
            }), function (val) {
                return !!val;
            });
        }
        else if (id != null) {
            var isIdArray = isArray(id);
            result = filter(cpts, function (cpt) {
                return (isIdArray && indexOf(id, cpt.id) >= 0)
                    || (!isIdArray && cpt.id === id);
            });
        }
        else if (name != null) {
            var isNameArray = isArray(name);
            result = filter(cpts, function (cpt) {
                return (isNameArray && indexOf(name, cpt.name) >= 0)
                    || (!isNameArray && cpt.name === name);
            });
        }
        else {
            // Return all components with mainType
            result = cpts.slice();
        }

        return filterBySubType(result, condition);
    },

    /**
     * The interface is different from queryComponents,
     * which is convenient for inner usage.
     *
     * @usage
     * var result = findComponents(
     *     {mainType: 'dataZoom', query: {dataZoomId: 'abc'}}
     * );
     * var result = findComponents(
     *     {mainType: 'series', subType: 'pie', query: {seriesName: 'uio'}}
     * );
     * var result = findComponents(
     *     {mainType: 'series',
     *     filter: function (model, index) {...}}
     * );
     * // result like [component0, componnet1, ...]
     *
     * @param {Object} condition
     * @param {string} condition.mainType Mandatory.
     * @param {string} [condition.subType] Optional.
     * @param {Object} [condition.query] like {xxxIndex, xxxId, xxxName},
     *        where xxx is mainType.
     *        If query attribute is null/undefined or has no index/id/name,
     *        do not filtering by query conditions, which is convenient for
     *        no-payload situations or when target of action is global.
     * @param {Function} [condition.filter] parameter: component, return boolean.
     * @return {Array.<module:echarts/model/Component>}
     */
    findComponents: function (condition) {
        var query = condition.query;
        var mainType = condition.mainType;

        var queryCond = getQueryCond(query);
        var result = queryCond
            ? this.queryComponents(queryCond)
            : this._componentsMap.get(mainType);

        return doFilter(filterBySubType(result, condition));

        function getQueryCond(q) {
            var indexAttr = mainType + 'Index';
            var idAttr = mainType + 'Id';
            var nameAttr = mainType + 'Name';
            return q && (
                    q[indexAttr] != null
                    || q[idAttr] != null
                    || q[nameAttr] != null
                )
                ? {
                    mainType: mainType,
                    // subType will be filtered finally.
                    index: q[indexAttr],
                    id: q[idAttr],
                    name: q[nameAttr]
                }
                : null;
        }

        function doFilter(res) {
            return condition.filter
                    ? filter(res, condition.filter)
                    : res;
        }
    },

    /**
     * @usage
     * eachComponent('legend', function (legendModel, index) {
     *     ...
     * });
     * eachComponent(function (componentType, model, index) {
     *     // componentType does not include subType
     *     // (componentType is 'xxx' but not 'xxx.aa')
     * });
     * eachComponent(
     *     {mainType: 'dataZoom', query: {dataZoomId: 'abc'}},
     *     function (model, index) {...}
     * );
     * eachComponent(
     *     {mainType: 'series', subType: 'pie', query: {seriesName: 'uio'}},
     *     function (model, index) {...}
     * );
     *
     * @param {string|Object=} mainType When mainType is object, the definition
     *                                  is the same as the method 'findComponents'.
     * @param {Function} cb
     * @param {*} context
     */
    eachComponent: function (mainType, cb, context) {
        var componentsMap = this._componentsMap;

        if (typeof mainType === 'function') {
            context = cb;
            cb = mainType;
            componentsMap.each(function (components, componentType) {
                each(components, function (component, index) {
                    cb.call(context, componentType, component, index);
                });
            });
        }
        else if (isString(mainType)) {
            each(componentsMap.get(mainType), cb, context);
        }
        else if (isObject(mainType)) {
            var queryResult = this.findComponents(mainType);
            each(queryResult, cb, context);
        }
    },

    /**
     * @param {string} name
     * @return {Array.<module:echarts/model/Series>}
     */
    getSeriesByName: function (name) {
        var series = this._componentsMap.get('series');
        return filter(series, function (oneSeries) {
            return oneSeries.name === name;
        });
    },

    /**
     * @param {number} seriesIndex
     * @return {module:echarts/model/Series}
     */
    getSeriesByIndex: function (seriesIndex) {
        return this._componentsMap.get('series')[seriesIndex];
    },

    /**
     * Get series list before filtered by type.
     * FIXME: rename to getRawSeriesByType?
     *
     * @param {string} subType
     * @return {Array.<module:echarts/model/Series>}
     */
    getSeriesByType: function (subType) {
        var series = this._componentsMap.get('series');
        return filter(series, function (oneSeries) {
            return oneSeries.subType === subType;
        });
    },

    /**
     * @return {Array.<module:echarts/model/Series>}
     */
    getSeries: function () {
        return this._componentsMap.get('series').slice();
    },

    /**
     * @return {number}
     */
    getSeriesCount: function () {
        return this._componentsMap.get('series').length;
    },

    /**
     * After filtering, series may be different
     * frome raw series.
     *
     * @param {Function} cb
     * @param {*} context
     */
    eachSeries: function (cb, context) {
        assertSeriesInitialized(this);
        each(this._seriesIndices, function (rawSeriesIndex) {
            var series = this._componentsMap.get('series')[rawSeriesIndex];
            cb.call(context, series, rawSeriesIndex);
        }, this);
    },

    /**
     * Iterate raw series before filtered.
     *
     * @param {Function} cb
     * @param {*} context
     */
    eachRawSeries: function (cb, context) {
        each(this._componentsMap.get('series'), cb, context);
    },

    /**
     * After filtering, series may be different.
     * frome raw series.
     *
     * @param {string} subType.
     * @param {Function} cb
     * @param {*} context
     */
    eachSeriesByType: function (subType, cb, context) {
        assertSeriesInitialized(this);
        each(this._seriesIndices, function (rawSeriesIndex) {
            var series = this._componentsMap.get('series')[rawSeriesIndex];
            if (series.subType === subType) {
                cb.call(context, series, rawSeriesIndex);
            }
        }, this);
    },

    /**
     * Iterate raw series before filtered of given type.
     *
     * @parma {string} subType
     * @param {Function} cb
     * @param {*} context
     */
    eachRawSeriesByType: function (subType, cb, context) {
        return each(this.getSeriesByType(subType), cb, context);
    },

    /**
     * @param {module:echarts/model/Series} seriesModel
     */
    isSeriesFiltered: function (seriesModel) {
        assertSeriesInitialized(this);
        return this._seriesIndicesMap.get(seriesModel.componentIndex) == null;
    },

    /**
     * @return {Array.<number>}
     */
    getCurrentSeriesIndices: function () {
        return (this._seriesIndices || []).slice();
    },

    /**
     * @param {Function} cb
     * @param {*} context
     */
    filterSeries: function (cb, context) {
        assertSeriesInitialized(this);
        var filteredSeries = filter(
            this._componentsMap.get('series'), cb, context
        );
        createSeriesIndices(this, filteredSeries);
    },

    restoreData: function (payload) {
        var componentsMap = this._componentsMap;

        createSeriesIndices(this, componentsMap.get('series'));

        var componentTypes = [];
        componentsMap.each(function (components, componentType) {
            componentTypes.push(componentType);
        });

        ComponentModel.topologicalTravel(
            componentTypes,
            ComponentModel.getAllClassMainTypes(),
            function (componentType, dependencies) {
                each(componentsMap.get(componentType), function (component) {
                    (componentType !== 'series' || !isNotTargetSeries(component, payload))
                        && component.restoreData();
                });
            }
        );
    }

});

function isNotTargetSeries(seriesModel, payload) {
    if (payload) {
        var index = payload.seiresIndex;
        var id = payload.seriesId;
        var name = payload.seriesName;
        return (index != null && seriesModel.componentIndex !== index)
            || (id != null && seriesModel.id !== id)
            || (name != null && seriesModel.name !== name);
    }
}

/**
 * @inner
 */
function mergeTheme(option, theme) {
    // PENDING
    // NOT use `colorLayer` in theme if option has `color`
    var notMergeColorLayer = option.color && !option.colorLayer;

    each(theme, function (themeItem, name) {
        if (name === 'colorLayer' && notMergeColorLayer) {
            return;
        }
        // 如果有 component model 则把具体的 merge 逻辑交给该 model 处理
        if (!ComponentModel.hasClass(name)) {
            if (typeof themeItem === 'object') {
                option[name] = !option[name]
                    ? clone(themeItem)
                    : merge(option[name], themeItem, false);
            }
            else {
                if (option[name] == null) {
                    option[name] = themeItem;
                }
            }
        }
    });
}

function initBase(baseOption) {
    baseOption = baseOption;

    // Using OPTION_INNER_KEY to mark that this option can not be used outside,
    // i.e. `chart.setOption(chart.getModel().option);` is forbiden.
    this.option = {};
    this.option[OPTION_INNER_KEY] = 1;

    /**
     * Init with series: [], in case of calling findSeries method
     * before series initialized.
     * @type {Object.<string, Array.<module:echarts/model/Model>>}
     * @private
     */
    this._componentsMap = createHashMap({series: []});

    /**
     * Mapping between filtered series list and raw series list.
     * key: filtered series indices, value: raw series indices.
     * @type {Array.<nubmer>}
     * @private
     */
    this._seriesIndices;

    this._seriesIndicesMap;

    mergeTheme(baseOption, this._theme.option);

    // TODO Needs clone when merging to the unexisted property
    merge(baseOption, globalDefault, false);

    this.mergeOption(baseOption);
}

/**
 * @inner
 * @param {Array.<string>|string} types model types
 * @return {Object} key: {string} type, value: {Array.<Object>} models
 */
function getComponentsByTypes(componentsMap, types) {
    if (!isArray(types)) {
        types = types ? [types] : [];
    }

    var ret = {};
    each(types, function (type) {
        ret[type] = (componentsMap.get(type) || []).slice();
    });

    return ret;
}

/**
 * @inner
 */
function determineSubType(mainType, newCptOption, existComponent) {
    var subType = newCptOption.type
        ? newCptOption.type
        : existComponent
        ? existComponent.subType
        // Use determineSubType only when there is no existComponent.
        : ComponentModel.determineSubType(mainType, newCptOption);

    // tooltip, markline, markpoint may always has no subType
    return subType;
}

/**
 * @inner
 */
function createSeriesIndices(ecModel, seriesModels) {
    ecModel._seriesIndicesMap = createHashMap(
        ecModel._seriesIndices = map(seriesModels, function (series) {
            return series.componentIndex;
        }) || []
    );
}

/**
 * @inner
 */
function filterBySubType(components, condition) {
    // Using hasOwnProperty for restrict. Consider
    // subType is undefined in user payload.
    return condition.hasOwnProperty('subType')
        ? filter(components, function (cpt) {
            return cpt.subType === condition.subType;
        })
        : components;
}

/**
 * @inner
 */
function assertSeriesInitialized(ecModel) {
    // Components that use _seriesIndices should depends on series component,
    // which make sure that their initialization is after series.
    if (__DEV__) {
        if (!ecModel._seriesIndices) {
            throw new Error('Option should contains series.');
        }
    }
}

mixin(GlobalModel, colorPaletteMixin);

export default GlobalModel;