﻿<template>
    <JqxKanban ref="myKanban"
               @itemAttrClicked="myKanbanOnItemAttrClicked($event)" @columnAttrClicked="myKanbanonColumnAttrClicked($event)"
               :width="getWidth" :height="600" :template="template" :source="dataAdapter" :columns="columns"
               :resources="resourcesAdapterFunc()" :columnRenderer="columnRenderer"
               :itemRenderer="itemRenderer">
    </JqxKanban>
</template>
<script>
    import JqxKanban from "jqwidgets-scripts/jqwidgets-vue/vue_jqxkanban.vue";

    export default {
        components: {
            JqxKanban,
        },
        data: function () {
            return {
                getWidth: '90%',
                dataAdapter: new jqx.dataAdapter(this.source),
                columns: [
                    { text: 'Backlog', iconClassName: this.getIconClassName(), dataField: 'new', maxItems: 4 },
                    { text: 'In Progress', iconClassName: this.getIconClassName(), dataField: 'work', maxItems: 2 },
                    { text: 'Done', iconClassName: this.getIconClassName(), dataField: 'done', maxItems: 5 }
                ],
                template: '<div class="jqx-kanban-item" id="">'
                    + '<div class="jqx-kanban-item-color-status"></div>'
                    + '<div style="display: none;" class="jqx-kanban-item-avatar"></div>'
                    + '<div class="jqx-icon jqx-icon-close jqx-kanban-item-template-content jqx-kanban-template-icon"></div>'
                    + '<div class="jqx-kanban-item-text"></div>'
                    + '<div style="display: none;" class="jqx-kanban-item-footer"></div>'
                    + '</div>'
            }
        },
        beforeCreate: function () {
            this.theme;

            const fields = [
                { name: 'id', type: 'string' },
                { name: 'status', map: 'state', type: 'string' },
                { name: 'text', map: 'label', type: 'string' },
                { name: 'tags', type: 'string' },
                { name: 'color', map: 'hex', type: 'string' },
                { name: 'resourceId', type: 'number' }
            ];

            this.source = {
                localData: [
                    { id: '1161', state: 'new', label: 'Make a new Dashboard', tags: 'dashboard', hex: '#36c7d0', resourceId: 3 },
                    { id: '1645', state: 'work', label: 'Prepare new release', tags: 'release', hex: '#ff7878', resourceId: 1 },
                    { id: '9213', state: 'new', label: 'One item added to the cart', tags: 'cart', hex: '#96c443', resourceId: 3 },
                    { id: '6546', state: 'done', label: 'Edit Item Price', tags: 'price, edit', hex: '#ff7878', resourceId: 4 },
                    { id: '9034', state: 'new', label: 'Login 404 issue', tags: 'issue, login', hex: '#96c443' }
                ],
                dataType: 'array',
                dataFields: fields
            };

            this.itemIndex = 0;
        },
        methods: {
            resourcesAdapterFunc: function () {
                let resourcesSource =
                    {
                        localData: [
                            { id: 0, name: 'No name', image: '../../../images/common.png', common: true },
                            { id: 1, name: 'Andrew Fuller', image: '../../../images/andrew.png' },
                            { id: 2, name: 'Janet Leverling', image: '../../../images/janet.png' },
                            { id: 3, name: 'Steven Buchanan', image: '../../../images/steven.png' },
                            { id: 4, name: 'Nancy Davolio', image: '../../../images/nancy.png' },
                            { id: 5, name: 'Michael Buchanan', image: '../../../images/Michael.png' },
                            { id: 6, name: 'Margaret Buchanan', image: '../../../images/margaret.png' },
                            { id: 7, name: 'Robert Buchanan', image: '../../../images/robert.png' },
                            { id: 8, name: 'Laura Buchanan', image: '../../../images/Laura.png' },
                            { id: 9, name: 'Laura Buchanan', image: '../../../images/Anne.png' }
                        ],
                        dataType: 'array',
                        dataFields: [
                            { name: 'id', type: 'number' },
                            { name: 'name', type: 'string' },
                            { name: 'image', type: 'string' },
                            { name: 'common', type: 'boolean' }
                        ]
                    };
                let resourcesDataAdapter = new jqx.dataAdapter(resourcesSource);
                return resourcesDataAdapter;
            },
            getIconClassName: function () {
                switch (this.theme) {
                    case 'darkblue':
                    case 'black':
                    case 'shinyblack':
                    case 'ui-le-frog':
                    case 'metrodark':
                    case 'orange':
                    case 'darkblue':
                    case 'highcontrast':
                    case 'ui-sunny':
                    case 'ui-darkness':
                        return 'jqx-icon-plus-alt-white ';
                }
                return 'jqx-icon-plus-alt';
            },
            columnRenderer: function(element, collapsedElement, column) {
                if (element[0]) {
                    let elementHeaderStatus = element[0].getElementsByClassName('jqx-kanban-column-header-status')[0];
                    let collapsedElementHeaderStatus = collapsedElement[0].getElementsByClassName('jqx-kanban-column-header-status')[0];

                    let columnItems = this.$refs.myKanban.getColumnItems(column.dataField).length;

                    elementHeaderStatus.innerHTML = ' (' + columnItems + '/' + column.maxItems + ')';
                    collapsedElementHeaderStatus.innerHTML = ' (' + columnItems + '/' + column.maxItems + ')';
                }
            },
            itemRenderer: function (element, item, resource) {
                element[0].getElementsByClassName('jqx-kanban-item-color-status')[0].innerHTML = '<span style="line-height: 23px; margin-left: 5px;">' + resource.name + '</span>';
                element[0].getElementsByClassName('jqx-kanban-item-text')[0].style.background = item.color;
            },
            myKanbanOnItemAttrClicked: function(event) {
                let args = event.args;
                if (args.attribute == 'template') {
                    this.$refs.myKanban.removeItem(args.item.id);
                }
            },
            myKanbanonColumnAttrClicked: function(event) {
                let args = event.args;
                if (args.attribute == 'button') {
                    args.cancelToggle = true;
                    if (!args.column.collapsed) {
                        let colors = ['#f19b60', '#5dc3f0', '#6bbd49', '#dddddd'];
                        this.$refs.myKanban.addItem({
                            status: args.column.dataField,
                            text: '<input placeholder="(No Title)" style="width: 96%; margin-top:2px; border-radius: 3px;' +
                                'border-color: #ddd; line-height:20px; height: 20px;" class="jqx-input" id="newItem' + this.itemIndex + '" value= "" />',
                            tags: 'new task',
                            color: colors[Math.floor(Math.random() * 4)],
                            resourceId: Math.floor(Math.random() * 4)
                        });

                        let id = `newItem${this.itemIndex}`;
                        let myInput = document.getElementById(id);

                        if (myInput !== null && myInput !== undefined) {
                            myInput.addEventListener('mousedown', (event) => {
                                event.stopPropagation();
                            });

                            myInput.addEventListener('mouseup', (event) => {
                                event.stopPropagation();
                            });

                            myInput.addEventListener('keydown', (event) => {
                                if (event.keyCode == 13) {
                                    let valueElement = `<span>${event.target.value}</span>`;
                                    event.target.insertAdjacentHTML('beforebegin', valueElement);
                                    event.target.remove();
                                }
                            });

                            myInput.focus();
                        }
                        this.itemIndex++;
                    }
                }
            }
        }
    }
</script>

<style>
    .jqx-kanban-item-color-status {
        width: 100%;
        height: 25px;
        border-top-left-radius: 3px;
        border-top-right-radius: 3px;
        position: relative;
        margin-top: 0px;
        top: 0px;
    }

    .jqx-kanban-item {
        padding-top: 0px;
        padding-bottom: 0px;
    }

    .jqx-kanban-item-text {
        padding-top: 6px;
        padding-bottom: 6px;
    }

    .jqx-kanban-item-avatar {
        top: 9px;
    }

    .jqx-kanban-template-icon {
        position: absolute;
        right: 3px;
        top: 12px;
    }
</style>
