angular-gridster2/dist/gridsterPushResize.service.js

Angular gridster 2

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var core_1 = require("@angular/core");
var gridster_component_1 = require("./gridster.component");
var GridsterPushResize = (function () {
    function GridsterPushResize(gridsterItem) {
        this.pushedItems = [];
        this.pushedItemsPath = [];
        this.gridsterItem = gridsterItem;
        this.gridster = gridsterItem.gridster;
        this.tryPattern = {
            fromEast: this.tryWest,
            fromWest: this.tryEast,
            fromNorth: this.trySouth,
            fromSouth: this.tryNorth
        };
        this.fromSouth = 'fromSouth';
        this.fromNorth = 'fromNorth';
        this.fromEast = 'fromEast';
        this.fromWest = 'fromWest';
    }
    GridsterPushResize.prototype.destroy = function () {
        delete this.gridster;
        delete this.gridsterItem;
    };
    GridsterPushResize.prototype.pushItems = function (direction) {
        if (this.gridster.$options.pushResizeItems) {
            this.push(this.gridsterItem, direction);
        }
    };
    GridsterPushResize.prototype.restoreItems = function () {
        var i = 0;
        var l = this.pushedItems.length;
        var pushedItem;
        for (; i < l; i++) {
            pushedItem = this.pushedItems[i];
            pushedItem.$item.x = pushedItem.item.x || 0;
            pushedItem.$item.y = pushedItem.item.y || 0;
            pushedItem.$item.cols = pushedItem.item.cols || 1;
            pushedItem.$item.row = pushedItem.item.row || 1;
            pushedItem.setSize(true);
        }
        this.pushedItems = [];
        this.pushedItemsPath = [];
    };
    GridsterPushResize.prototype.setPushedItems = function () {
        var i = 0;
        var l = this.pushedItems.length;
        var pushedItem;
        for (; i < l; i++) {
            pushedItem = this.pushedItems[i];
            pushedItem.checkItemChanges(pushedItem.$item, pushedItem.item);
        }
        this.pushedItems = [];
        this.pushedItemsPath = [];
    };
    GridsterPushResize.prototype.checkPushBack = function () {
        var i = this.pushedItems.length - 1;
        var change = false;
        for (; i > -1; i--) {
            if (this.checkPushedItem(this.pushedItems[i], i)) {
                change = true;
            }
        }
        if (change) {
            this.checkPushBack();
        }
    };
    GridsterPushResize.prototype.push = function (gridsterItem, direction) {
        var gridsterItemCollision = this.gridster.checkCollision(gridsterItem.$item);
        if (gridsterItemCollision && gridsterItemCollision !== true &&
            gridsterItemCollision !== this.gridsterItem && gridsterItemCollision.canBeResized()) {
            if (this.tryPattern[direction].call(this, gridsterItemCollision, gridsterItem, direction)) {
                return true;
            }
        }
        else if (gridsterItemCollision === false) {
            return true;
        }
        return false;
    };
    GridsterPushResize.prototype.trySouth = function (gridsterItemCollide, gridsterItem, direction) {
        var backUpY = gridsterItemCollide.$item.y;
        var backUpRows = gridsterItemCollide.$item.rows;
        gridsterItemCollide.$item.y = gridsterItem.$item.y + gridsterItem.$item.rows;
        gridsterItemCollide.$item.rows = backUpRows + backUpY - gridsterItemCollide.$item.y;
        if (!gridster_component_1.GridsterComponent.checkCollisionTwoItems(gridsterItemCollide.$item, gridsterItem.$item)
            && !this.gridster.checkGridCollision(gridsterItemCollide.$item)) {
            gridsterItemCollide.setSize(true);
            this.addToPushed(gridsterItemCollide);
            this.push(gridsterItem, direction);
            return true;
        }
        else {
            gridsterItemCollide.$item.y = backUpY;
            gridsterItemCollide.$item.rows = backUpRows;
        }
        return false;
    };
    GridsterPushResize.prototype.tryNorth = function (gridsterItemCollide, gridsterItem, direction) {
        var backUpRows = gridsterItemCollide.$item.rows;
        gridsterItemCollide.$item.rows = gridsterItem.$item.y - gridsterItemCollide.$item.y;
        if (!gridster_component_1.GridsterComponent.checkCollisionTwoItems(gridsterItemCollide.$item, gridsterItem.$item)
            && !this.gridster.checkGridCollision(gridsterItemCollide.$item)) {
            gridsterItemCollide.setSize(true);
            this.addToPushed(gridsterItemCollide);
            this.push(gridsterItem, direction);
            return true;
        }
        else {
            gridsterItemCollide.$item.rows = backUpRows;
        }
        return false;
    };
    GridsterPushResize.prototype.tryEast = function (gridsterItemCollide, gridsterItem, direction) {
        var backUpX = gridsterItemCollide.$item.x;
        var backUpCols = gridsterItemCollide.$item.cols;
        gridsterItemCollide.$item.x = gridsterItem.$item.x + gridsterItem.$item.cols;
        gridsterItemCollide.$item.cols = backUpCols + backUpX - gridsterItemCollide.$item.x;
        if (!gridster_component_1.GridsterComponent.checkCollisionTwoItems(gridsterItemCollide.$item, gridsterItem.$item)
            && !this.gridster.checkGridCollision(gridsterItemCollide.$item)) {
            gridsterItemCollide.setSize(true);
            this.addToPushed(gridsterItemCollide);
            this.push(gridsterItem, direction);
            return true;
        }
        else {
            gridsterItemCollide.$item.x = backUpX;
            gridsterItemCollide.$item.cols = backUpCols;
        }
        return false;
    };
    GridsterPushResize.prototype.tryWest = function (gridsterItemCollide, gridsterItem, direction) {
        var backUpCols = gridsterItemCollide.$item.cols;
        gridsterItemCollide.$item.cols = gridsterItem.$item.x - gridsterItemCollide.$item.x;
        if (!gridster_component_1.GridsterComponent.checkCollisionTwoItems(gridsterItemCollide.$item, gridsterItem.$item)
            && !this.gridster.checkGridCollision(gridsterItemCollide.$item)) {
            gridsterItemCollide.setSize(true);
            this.addToPushed(gridsterItemCollide);
            this.push(gridsterItem, direction);
            return true;
        }
        else {
            gridsterItemCollide.$item.cols = backUpCols;
        }
        return false;
    };
    GridsterPushResize.prototype.addToPushed = function (gridsterItem) {
        if (this.pushedItems.indexOf(gridsterItem) < 0) {
            this.pushedItems.push(gridsterItem);
            this.pushedItemsPath.push([
                {
                    x: gridsterItem.item.x || 0,
                    y: gridsterItem.item.y || 0,
                    cols: gridsterItem.item.cols || 0,
                    rows: gridsterItem.item.rows || 0
                },
                {
                    x: gridsterItem.$item.x,
                    y: gridsterItem.$item.y,
                    cols: gridsterItem.$item.cols,
                    rows: gridsterItem.$item.rows
                }
            ]);
        }
        else {
            var i = this.pushedItems.indexOf(gridsterItem);
            this.pushedItemsPath[i].push({
                x: gridsterItem.$item.x,
                y: gridsterItem.$item.y,
                cols: gridsterItem.$item.cols,
                rows: gridsterItem.$item.rows
            });
        }
    };
    GridsterPushResize.prototype.removeFromPushed = function (i) {
        if (i > -1) {
            this.pushedItems.splice(i, 1);
            this.pushedItemsPath.splice(i, 1);
        }
    };
    GridsterPushResize.prototype.checkPushedItem = function (pushedItem, i) {
        var path = this.pushedItemsPath[i];
        var j = path.length - 2;
        var lastPosition, x, y, cols, rows;
        for (; j > -1; j--) {
            lastPosition = path[j];
            x = pushedItem.$item.x;
            y = pushedItem.$item.y;
            cols = pushedItem.$item.cols;
            rows = pushedItem.$item.rows;
            pushedItem.$item.x = lastPosition.x;
            pushedItem.$item.y = lastPosition.y;
            pushedItem.$item.cols = lastPosition.cols;
            pushedItem.$item.rows = lastPosition.rows;
            if (!this.gridster.findItemWithItem(pushedItem.$item)) {
                pushedItem.setSize(true);
                path.splice(j + 1, path.length - 1 - j);
            }
            else {
                pushedItem.$item.x = x;
                pushedItem.$item.y = y;
                pushedItem.$item.cols = cols;
                pushedItem.$item.rows = rows;
            }
        }
        if (path.length < 2) {
            this.removeFromPushed(i);
            return true;
        }
        return false;
    };
    GridsterPushResize.decorators = [
        { type: core_1.Injectable },
    ];
    /** @nocollapse */
    GridsterPushResize.ctorParameters = function () { return [
        null,
    ]; };
    return GridsterPushResize;
}());
exports.GridsterPushResize = GridsterPushResize;