iamferraz-gantt-chart
Version:
Gantt Chart Component using Echarts library
135 lines • 19.4 kB
JavaScript
export class TaskDataManipulator {
constructor(colours, enableGroup) {
this.COLOURS = colours;
this._enableGroup = enableGroup;
}
mapData(taskData) {
//Im changing the item object to array... this is why the encode is filled with indexed
var _groupData = this.mapGroups(taskData);
var mappedData = [];
for (let index = 0; index < taskData.length; index++) {
let item = taskData[index];
//filling the group information
// here I get the taskID gorupped by mapGroups functions and compare the position of taskid with the array present in the groupped. If the current taskid is in the end of array I dont need to draw the group
let isToDrawGroup = 0;
let groupInfo = _groupData[item.groupName];
if (groupInfo != undefined && groupInfo.tasks.length > 1) {
if (groupInfo.tasks.indexOf(item.taskId) < groupInfo.tasks.length - 1)
isToDrawGroup = 1;
}
let color = "";
if (this._enableGroup == false) {
color = this.getColorHex(index);
}
else {
color = groupInfo.color;
}
let index_attributes = [index, item.taskName, item.start, item.end, item.taskId, item.donePercentage, item.owner, item.image, item.groupName, isToDrawGroup, color];
mappedData.push(index_attributes);
}
return mappedData;
}
mapZebra(taskData) {
var mappedData = [];
for (let index = 0; index < taskData.length; index++) {
let item = taskData[index];
let index_attributes = [index, this.getMinDate(taskData), this.getMaxDate(taskData), item.taskId];
mappedData.push(index_attributes);
}
return mappedData;
}
getMinDate(taskData) {
let minDate = new Date(8640000000000000);
for (let index = 0; index < taskData.length; index++) {
let item = taskData[index];
if (item.start < minDate) {
minDate = item.start;
}
}
return new Date(minDate);
}
getMaxDate(taskData) {
let maxDate = new Date(-8640000000000000);
for (let index = 0; index < taskData.length; index++) {
let item = taskData[index];
if (item.end > maxDate) {
maxDate = item.end;
}
}
return new Date(maxDate);
}
mapGroups(taskData) {
/**
* return a hash
* {
* "groupName1" => { color: "#222", tasks: [taskId1, taskId2, ..., taskIdN]}
* "groupName2" => { color: "#222", tasks: [taskId1, taskId2, ..., taskIdN]}
* }
*/
if (this._enableGroup == false) {
return {};
}
let countColor = 0;
let mappedGroups = {};
//Im creating a map of groups => taskId
for (let i = 0; i < taskData.length; i++) {
if (mappedGroups[taskData[i].groupName] == undefined) {
mappedGroups[taskData[i].groupName] = {};
mappedGroups[taskData[i].groupName].color = this.getColorHex(countColor); //this.getRandomHexColor()
mappedGroups[taskData[i].groupName].tasks = [taskData[i].taskId];
countColor = countColor + 1;
}
else
mappedGroups[taskData[i].groupName].tasks.push(taskData[i].taskId);
}
return mappedGroups;
}
compareTasks(a, b) {
let dateComp = 0;
if (a.start > b.start)
dateComp = -1;
if (b.start > a.start)
dateComp = 1;
let groupOrderComp = 0;
if (a.groupOrder > b.groupOrder)
groupOrderComp = -1;
if (b.groupOrder > a.groupOrder)
groupOrderComp = 1;
let taskNameComp = 0;
if (a.taskName > b.taskName)
taskNameComp = -1;
if (b.taskName > a.taskName)
taskNameComp = 1;
return groupOrderComp || taskNameComp || dateComp;
}
getTaskById(taskData, id) {
for (let i = 0; i < taskData.length; i++) {
if (taskData[i].taskId == id) {
return taskData[i];
}
}
return null;
}
getTaskByIdInMappedData(mappedData, id) {
for (let i = 0; i < mappedData.length; i++) {
if (mappedData[i][4] == id) {
return mappedData[i];
}
}
return null;
}
randomInt(min, max) {
return min + Math.floor((max - min) * Math.random());
}
getRandomHexColor() {
//var randomColor = Math.floor(Math.random()*16777215).toString(16);
//return "#" + randomColor;
return this.COLOURS[this.randomInt(0, this.COLOURS.length)];
}
getColorHex(index) {
if (index >= this.COLOURS.length)
index = 0;
return this.COLOURS[index];
}
}
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{ TaskModel } from \"../models/task-data.model\";\r\n\r\nexport class TaskDataManipulator {\r\n    COLOURS:string[]\r\n    _enableGroup: boolean\r\n\r\n    constructor(colours:string[], enableGroup:boolean){\r\n        this.COLOURS = colours\r\n        this._enableGroup = enableGroup\r\n    }\r\n\r\n    mapData(taskData:TaskModel[]): any[]{\r\n        //Im changing the item object to array... this is why the encode is filled with indexed\r\n        var _groupData = this.mapGroups(taskData)\r\n        \r\n        var mappedData = []\r\n        \r\n        for(let index = 0; index < taskData.length; index++){\r\n            let item = taskData[index]\r\n            \r\n            //filling the group information\r\n            // here I get the taskID gorupped by mapGroups functions and compare the position of taskid with the array present in the groupped. If the current taskid is in the end of array I dont need to draw the group\r\n            let isToDrawGroup = 0\r\n            let groupInfo = _groupData[item.groupName]\r\n            if(groupInfo != undefined && groupInfo.tasks.length > 1){\r\n                if(groupInfo.tasks.indexOf(item.taskId) < groupInfo.tasks.length-1)\r\n                    isToDrawGroup = 1\r\n            }\r\n            \r\n            let color = \"\" \r\n            if(this._enableGroup == false){\r\n                color = this.getColorHex(index)\r\n            }else{\r\n                color = groupInfo.color\r\n            }\r\n\r\n            let index_attributes = [index, item.taskName, item.start, item.end, item.taskId, item.donePercentage, item.owner, item.image, item.groupName, isToDrawGroup, color];\r\n\r\n            mappedData.push(index_attributes);\r\n        }\r\n        \r\n        return mappedData\r\n    }\r\n    \r\n    mapZebra(taskData:TaskModel[]): any[]{   \r\n        var mappedData = []\r\n        \r\n        for(let index = 0; index < taskData.length; index++){    \r\n            let item = taskData[index]\r\n            let index_attributes = [index, this.getMinDate(taskData), this.getMaxDate(taskData), item.taskId];\r\n            mappedData.push(index_attributes);\r\n        }\r\n        return mappedData\r\n    }\r\n    \r\n    getMinDate(taskData:TaskModel[]):Date{\r\n        let minDate = new Date(8640000000000000)\r\n        for(let index = 0; index < taskData.length; index++){\r\n            let item = taskData[index]\r\n            if(item.start < minDate){\r\n                minDate = item.start\r\n            }\r\n        }\r\n    \r\n        return new Date(minDate)\r\n    }\r\n    \r\n    getMaxDate(taskData:TaskModel[]):Date{\r\n        let maxDate = new Date(-8640000000000000)\r\n        for(let index = 0; index < taskData.length; index++){\r\n            let item = taskData[index]\r\n            if(item.end > maxDate){\r\n                maxDate = item.end\r\n            }\r\n        }\r\n    \r\n        return new Date(maxDate)\r\n    }\r\n    \r\n    mapGroups(taskData:TaskModel[]):any{\r\n        /**\r\n         * return a hash \r\n         * { \r\n         *  \"groupName1\" => { color: \"#222\", tasks: [taskId1, taskId2, ..., taskIdN]} \r\n         *  \"groupName2\" => { color: \"#222\", tasks: [taskId1, taskId2, ..., taskIdN]} \r\n         * }\r\n         */\r\n\r\n         if(this._enableGroup == false){\r\n            return {}\r\n        }\r\n\r\n        let countColor = 0\r\n        let mappedGroups:any = {}\r\n        //Im creating a map of groups => taskId\r\n        for(let i = 0; i < taskData.length; i++){\r\n            if(mappedGroups[taskData[i].groupName] == undefined){\r\n                mappedGroups[taskData[i].groupName] = {}\r\n                mappedGroups[taskData[i].groupName].color = this.getColorHex(countColor)//this.getRandomHexColor()\r\n                mappedGroups[taskData[i].groupName].tasks = [taskData[i].taskId]\r\n                countColor = countColor + 1\r\n            }else\r\n                mappedGroups[taskData[i].groupName].tasks.push(taskData[i].taskId)\r\n        }    \r\n        \r\n        return mappedGroups\r\n    }\r\n    \r\n    compareTasks(a:TaskModel, b:TaskModel):number {\r\n        let dateComp = 0\r\n        if (a.start > b.start) dateComp = -1;\r\n        if (b.start > a.start) dateComp = 1;\r\n        \r\n        let groupOrderComp = 0\r\n        if (a.groupOrder > b.groupOrder) groupOrderComp = -1;\r\n        if (b.groupOrder > a.groupOrder) groupOrderComp = 1;\r\n\r\n        let taskNameComp = 0\r\n        if (a.taskName > b.taskName) taskNameComp = -1;\r\n        if (b.taskName > a.taskName) taskNameComp = 1;\r\n        \r\n        return groupOrderComp || taskNameComp || dateComp;\r\n    }\r\n    \r\n    getTaskById(taskData:TaskModel[], id:any):TaskModel|null{\r\n        for(let i = 0; i < taskData.length; i++){\r\n            if(taskData[i].taskId == id){\r\n                return taskData[i];\r\n            }\r\n        }\r\n        \r\n        return null;\r\n    }\r\n    \r\n    getTaskByIdInMappedData(mappedData:any, id:any):any[]|null{\r\n        for(let i = 0; i < mappedData.length; i++){\r\n            if(mappedData[i][4] == id){\r\n                return mappedData[i];\r\n            }\r\n        }\r\n        \r\n        return null;\r\n    }\r\n    \r\n    randomInt(min:number, max:number):number {\r\n        return min + Math.floor((max - min) * Math.random());\r\n    }\r\n    \r\n    getRandomHexColor(): string{\r\n        //var randomColor = Math.floor(Math.random()*16777215).toString(16);\r\n        //return \"#\" + randomColor;\r\n    \r\n        return this.COLOURS[this.randomInt(0, this.COLOURS.length)]\r\n    }\r\n\r\n    getColorHex(index:number): string{\r\n        if(index >= this.COLOURS.length)\r\n            index = 0\r\n    \r\n        return this.COLOURS[index]\r\n    }\r\n}\r\n\r\n"]}