/*
  Copyright © 2016-2019 Lidor Systems. All rights reserved.

  This file is part of the "IntegralUI Web" Library. 
                                                                   
  The contents of this file are subject to the IntegralUI Web License, and may not be used except in compliance with the License.
  A copy of the License should have been installed in the product's root installation directory or it can be found at
  http://www.lidorsystems.com/products/web/studio/license-agreement.aspx.
                                                            
  This SOFTWARE is provided "AS IS", WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language 
  governing rights and limitations under the License. Any infringement will be prosecuted under applicable laws.                           
*/

import { Component, ViewContainerRef, ViewChild, ViewEncapsulation } from '@angular/core';
import { IntegralUIGrid } from '../../integralui/components/integralui.grid';

@Component({
    selector: '',
    template: `
        <style>
            .grid-ccmb-normal
            {
                width: 750px;
                height: 325px;
            }
            .grid-ccmb-normal .iui-treegrid-expand-box
            {
                margin-top: -3px;
            }
            .grid-ccmb-item-label
            {
                display: inline-block;
                margin-top: 3px;
                padding: 2px 0;
            }

            /* CheckBox Cell */
            .cell-checkbox
            {
                background: url('') no-repeat 0 0;
                display: inline-block;
                padding: 0;
                margin: 5px 7px 0 7px;
                width: 16px;
                height: 16px;
                vertical-align: middle;
            }

            /* DropDown Cell */
            .dropdown-list
            {
                cursor: default;
                margin: 0;
                overflow: auto;
                padding: 0;
                list-style-type: none;
                white-space: nowrap;
                width: 150px;
                height: 140px;
            }
            .dropdown-list li
            {
                padding: 5px;
            }
            .dropdown-list li:hover
            {
                background: #e5e5e5;
            }
            .grid-ccmb-item-drop-mark
            {
                float: right;
            }
            .grid-ccmb-item-drop-mark span
            {
                background: url(app/resources/icons.png) -144px -80px no-repeat;
                display: inline-block;
                opacity: 0.5;
                overflow: hidden;
                padding: 0 !important;
                margin: 4px 2px 0 0;
                width: 16px;
                height: 16px;
                vertical-align: middle;
            }
       </style>
        <h2 class="feature-title">Grid / Cell with DropDown List</h2>
        <div class="feature-content">
            <div #application>
                <iui-grid [appRef]="applicationRef" [controlStyle]="gridStyle" [columns]="columns" [rows]="rows" [showFooter]="false" [rowHeight]="25" #grid>
                    <ng-template let-column [iuiTemplate]="{ type: 'header' }">
                        <span *ngIf="column.id==2" class="cell-checkbox" [ngStyle]="{ 'background-image': getCheckValue(column) }" (mousedown)="columnCheckClicked(column)"></span>
                        {{column.headerText}}
                    </ng-template>
                    <ng-template let-cell [iuiTemplate]="{ type: 'cell' }">
                        <div [ngSwitch]="cell.cid">
                            <div *ngSwitchCase="2">
                                <span class="cell-checkbox" [ngStyle]="{ 'background-image': getCheckValue(cell) }" (mousedown)="checkBoxClicked(cell)"></span>
                            </div>
                            <div *ngSwitchCase="4">
                                <div [iuiDropDown]="cell.dropdown" (dropDownOpen)="onDropDownOpen($event, cell)">
                                    <div class="grid-ccmb-item-drop-mark">
                                        <span></span> 
                                    </div>
                                    <span class="grid-ccmb-item-label">{{cell.text}}</span> 
                                    <ng-template let-obj [iuiTemplate]="{ type: 'dropdown' }">
                                        <ul class="dropdown-list" [ngStyle]="{ width: dropDownWidth + 'px'}" (mousedown)="listMouseDown($event)">
                                            <li *ngFor="let item of dropdownItems" (mousedown)="itemSelected(cell, item)">
                                                {{item.text}}
                                            </li>
                                        </ul>
                                    </ng-template>
                                </div>
                            </div>
                            <div *ngSwitchDefault>
                                <span class="grid-ccmb-item-label">{{cell.text}}</span>
                            </div>
                        </div>
                    </ng-template>
                </iui-grid>
            </div>
            <div class="feature-help" style="width:750px">
                <p><span class="initial-space"></span>An example of a Grid cell with a dropdown component. </p>
                <p><span class="initial-space"></span>Each cell in the fourth column displays a dropdowm icon, and when clicked a list of available options will appear. By selecting any option from the list, you can change the cell value.</p>
                <p><span class="initial-space"></span>For a dropdown, we are using the <strong>iuiDropDown</strong> directive, which is attachable to any HTML element or Angular component. You can add custom content in dropdown window.</p>
                <p><span class="initial-space"></span>This is a simple dropdown component, which allows you to select only one option. Additional functionality that allows checking multiple options is available here: <a routerLink="../cell-dropdown-checked-list">Grid Cell with Checked DropDown List</a></p>
                <p><span class="initial-space"></span>For more information check out the source code of this sample (<i>grid/grid-dropdown.ts</i>) file.</p> 
            </div>
        </div>
    `,
    encapsulation: ViewEncapsulation.None
})
export class GridCellDropDownSample {
    @ViewChild('application', {read: ViewContainerRef, static: false}) applicationRef: ViewContainerRef;
    @ViewChild('grid', { static: false }) grid: IntegralUIGrid;

    // An array that holds all options in the comboo box
    public dropdownItems: Array<any>;
    public dropDownWidth: number = 150;

    // Grid  settings
    public columns: Array<any>;
    public rows: Array<any>;

    // Control Style
    public gridStyle: any = {
        general: {
            normal : 'grid-ccmb-normal'
        }
    }

    private imageChecked: string = 'url(app/resources/checkbox/checkbox-checked-1.png)';
    private imageUnchecked: string = 'url(app/resources/checkbox/checkbox-unchecked-1.png)';

    constructor(){
        // Options to choose from
        this.dropdownItems = [
            { text: "Action" },
            { text: "Adventure" },
            { text: "Animation" },
            { text: "Biography" },
            { text: "Comedy" },
            { text: "Crime" },
            { text: "Drama" },
            { text: "Fantasy" },
            { text: "Horror" },
            { text: "Mystery" },
            { text: "Sci-Fi" },
            { text: "Thriller" },
            { text: "Western" }
        ];

        // Add columns and rows for the Grid
        this.columns = [
            { id: 1, headerText: "Title", width: 230},
            { id: 2, width: 30, fixedWidth: true },
            { id: 3, headerText: "Year", headerAlignment: "center", contentAlignment: "center", width: 70 },
            { id: 4, headerText: "Genre", headerAlignment: "center", contentAlignment: "center", width: 150 },
            { id: 5, headerText: "Ratings", headerAlignment: "center", contentAlignment: "center", width: 70 },
            { id: 6, headerText: "Released", headerAlignment: "center", contentAlignment: "center", width: 120 }
        ];

        this.rows = [
            { 
                id: 1,
                text: "Inception",
                cells: [{ cid: 1, text: "Inception" }, { cid: 2, value: true }, { cid: 3, text: "2010" }, { cid: 4, text: "Mystery" }, { cid: 5, text: "8.8" }, { cid: 6, text: "16 Jul 2010" } ]
            },
            { 
                id: 2,
                text: "Gravity",
                cells: [{ cid: 1, text: "Gravity" }, { cid: 2 }, { cid: 3, text: "2013" }, { cid: 4, text: "Sci-Fi" }, { cid: 5, text: "7.9" }, { cid: 6, text: "04 Oct 2013" } ]
            },
            { 
                id: 3,
                text: "Django Unchained",
                cells: [{ cid: 1, text: "Django Unchained" }, { cid: 2, value: true }, { cid: 3, text: "2012" }, { cid: 4, text: "Western" }, { cid: 5, text: "8.5" }, { cid: 6, text: "25 Dec 2012" } ]
            },
            { 
                id: 4,
                text: "Toy Story 3",
                cells: [{ cid: 1, text: "Toy Story 3" }, { cid: 2, value: true }, { cid: 3, text: "2010" }, { cid: 4, text: "Animation" }, { cid: 5, text: "8.4" }, { cid: 6, text: "18 Jun 2010" } ]
            },
            { 
                id: 5,
                text: "The Wolf of Wall Street",
                cells: [{ cid: 1, text: "The Wolf of Wall Street" }, { cid: 2, value: true }, { cid: 3, text: "2013" }, { cid: 4, text: "Comedy" }, { cid: 5, text: "8.2" }, { cid: 6, text: "25 Dec 2013" } ]
            },
            { 
                id: 6,
                text: "The Town",
                cells: [{ cid: 1, text: "The Town" }, { cid: 2 }, { cid: 3, text: "2010" }, { cid: 4, text: "Crime" }, { cid: 5, text: "7.6" }, { cid: 6, text: "17 Sep 2010" } ]
            },
            { 
                id: 7,
                text: "Nightcrawler",
                cells: [{ cid: 1, text: "Nightcrawler" }, { cid: 2, value: true }, { cid: 3, text: "2014" }, { cid: 4, text: "Thriller" }, { cid: 5, text: "7.9" }, { cid: 6, text: "31 Oct 2014" } ]
            },
            { 
                id: 8,
                text: "Locke",
                cells: [{ cid: 1, text: "Locke" }, { cid: 2 }, { cid: 3, text: "2014" }, { cid: 4, text: "Drama" }, { cid: 5, text: "7.1" }, { cid: 6, text: "29 May 2014" } ]
            },
            { 
                id: 9,
                text: "Prometheus",
                cells: [{ cid: 1, text: "Prometheus" }, { cid: 2, value: true }, { cid: 3, text: "2012" }, { cid: 4, text: "Sci-Fi" }, { cid: 5, text: "7.0" }, { cid: 6, text: "08 Jun 2012" } ]
            },
            { 
                id: 10,
                text: "The Social Network",
                cells: [{ cid: 1, text: "The Social Network" }, { cid: 2, value: true }, { cid: 3, text: "2010" }, { cid: 4, text: "Biography" }, { cid: 5, text: "7.8" }, { cid: 6, text: "01 Oct 2010" } ]
            },
            { 
                id: 11,
                text: "The Conjuring",
                cells: [{ cid: 1, text: "The Conjuring" }, { cid: 2 }, { cid: 3, text: "2013" }, { cid: 4, text: "Horror" }, { cid: 5, text: "7.5" }, { cid: 6, text: "19 Jul 2013" } ]
            },
            { 
                id: 12,
                text: "Blue Jasmine",
                cells: [{ cid: 1, text: "Blue Jasmine" }, { cid: 2, value: true }, { cid: 3, text: "2013" }, { cid: 4, text: "Drama" }, { cid: 5, text: "7.3" }, { cid: 6, text: "23 Aug 2013" } ]
            },
            { 
                id: 13,
                text: "Black Swan",
                cells: [{ cid: 1, text: "Black Swan" }, { cid: 2 }, { cid: 3, text: "2010" }, { cid: 4, text: "Mystery" }, { cid: 5, text: "8.0" }, { cid: 6, text: "17 Dec 2010" } ]
            },
            { 
                id: 14,
                text: "Prisoners",
                cells: [{ cid: 1, text: "Prisoners" }, { cid: 2 }, { cid: 3, text: "2013" }, { cid: 4, text: "Mystery" }, { cid: 5, text: "8.1" }, { cid: 6, text: "20 Sep 2013" } ]
            },
            { 
                id: 15,
                text: "The Avengers",
                cells: [{ cid: 1, text: "The Avengers" }, { cid: 2 }, { cid: 3, text: "2012" }, { cid: 4, text: "Action" }, { cid: 5, text: "8.2" }, { cid: 6, text: "04 May 2012" } ]
            },
            { 
                id: 16,
                text: "Snowpiercer",
                cells: [{ cid: 1, text: "Snowpiercer" }, { cid: 2 }, { cid: 3, text: "2014" }, { cid: 4, text: "Mystery" }, { cid: 5, text: "7.0" }, { cid: 6, text: "11 Jul 2014" } ]
            },
            { 
                id: 17,
                text: "The Dark Knight Rises",
                cells: [{ cid: 1, text: "The Dark Knight Rises" }, { cid: 2, value: true }, { cid: 3, text: "2012" }, { cid: 4, text: "Action" }, { cid: 5, text: "8.5" }, { cid: 6, text: "20 Jul 2012" } ]
            },
            { 
                id: 18,
                text: "American Hustle",
                cells: [{ cid: 1, text: "American Hustle" }, { cid: 2 }, { cid: 3, text: "2013" }, { cid: 4, text: "Crime" }, { cid: 5, text: "7.3" }, { cid: 6, text: "20 Dec 2013" } ]
            },
            { 
                id: 19,
                text: "Dawn of the Planet of the Apes",
                cells: [{ cid: 1, text: "Dawn of the Planet of the Apes" }, { cid: 2, value: true }, { cid: 3, text: "2014" }, { cid: 4, text: "Action" }, { cid: 5, text: "7.7" }, { cid: 6, text: "11 Jul 2014" } ]
            },
            { 
                id: 20,
                text: "Frozen",
                cells: [{ cid: 1, text: "Frozen" }, { cid: 2 }, { cid: 3, text: "2013" }, { cid: 4, text: "Animation" }, { cid: 5, text: "7.7" }, { cid: 6, text: "27 Nov 2013" } ]
            },
            { 
                id: 21,
                text: "Edge of Tomorrow",
                cells: [{ cid: 1, text: "Edge of Tomorrow" }, { cid: 2, value: true }, { cid: 3, text: "2014" }, { cid: 4, text: "Action" }, { cid: 5, text: "7.9" }, { cid: 6, text: "06 Jun 2014" } ]
            },
            { 
                id: 22,
                text: "Interstellar",
                cells: [{ cid: 1, text: "Interstellar" }, { cid: 2 }, { cid: 3, text: "2014" }, { cid: 4, text: "Adventure" }, { cid: 5, text: "8.7" }, { cid: 6, text: "07 Nov 2014" } ]
            },
            { 
                id: 23,
                text: "Rush",
                cells: [{ cid: 1, text: "Rush" }, { cid: 2 }, { cid: 3, text: "2013" }, { cid: 4, text: "Action" }, { cid: 5, text: "8.2" }, { cid: 6, text: "27 Sep 2013" } ]
            },
            { 
                id: 24,
                text: "Shutter Island",
                cells: [{ cid: 1, text: "Shutter Island" }, { cid: 2, value: true }, { cid: 3, text: "2010" }, { cid: 4, text: "Mystery" }, { cid: 5, text: "8.1" }, { cid: 6, text: "19 Feb 2010" } ]
            },
            { 
                id: 25,
                text: "This Is the End",
                cells: [{ cid: 1, text: "This Is the End" }, { cid: 2 }, { cid: 3, text: "2013" }, { cid: 4, text: "Comedy" }, { cid: 5, text: "6.7" }, { cid: 6, text: "12 Jun 2013" } ]
            }
        ];
    }

    ngAfterViewInit(){
        // Set a dropdown for row cells
        let list = this.grid.getList();
        for (let i = 0; i < list.length; i++)
            for (let j = 0; j < list[i].cells.length; j++){
                let cell: any = list[i].cells[j];

                if (cell.cid == 4)
                    cell.dropdown = {
                        appRef: this.applicationRef,
                        adjustment: { top: 0, left: -3 },
                        data: cell
                    }
            }
    }

    // CheckBox Cell ---------------------------------------------------------------------

    public getCheckValue(obj: any){
        return obj && obj.value == true ? this.imageChecked : this.imageUnchecked;
    }

    public checkBoxClicked(cell: any){
        if (cell){
            let currentValue = cell.value == true ? true : false;
            cell.value = !currentValue;
        }
    }

    public columnCheckClicked(column: any){
        if (column){
            let currentValue = column.value == true ? true : false;
            column.value = !currentValue;

            let list = this.grid.getList();
            for (let i = 0; i < list.length; i++){
                let cell = this.getCellWithCheckBox(list[i]);
                if (cell)
                    cell.value = column.value;
            }
        }
    }

    private getCellWithCheckBox(row: any){
        let found: any = null;

        for (let j = 0; j < row.cells.length; j++){
            if (row.cells[j].cid == 2){
                found = row.cells[j];
                break;
            }

        }

        return found;
    }


    // DropDown Cell ---------------------------------------------------------------------

    private isItemSelected: boolean = false;

    // Prevent clicks in the list scrollbar area to close the dropdown window
    listMouseDown(e: any){
        if (!this.isItemSelected)
            e.stopPropagation();
    }

    itemSelected(cell: any, item: any){
        if (cell)
            cell.text = item.text;

        this.isItemSelected = true;
    }

    // Calculates the width of grid cell
    protected getColumnWidth(column: any): number {
        return column && column.width != undefined ? column.width : 100;
    }

    getCellWidth(cell: any){
        let cellWidth: number = 100;

        for (let j = 0; j < this.columns.length; j++){
            if (this.columns[j].id == cell.cid){
                cellWidth = this.getColumnWidth(this.columns[j]) + 3; 
                break;
            }
        }

        return cellWidth;
    }

    onDropDownOpen(e: any, cell: any){
        this.isItemSelected = false;

        if (cell)
            this.dropDownWidth = this.getCellWidth(cell);
    }
}