igniteui-angular
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Ignite UI for Angular is a dependency-free Angular toolkit for building modern web apps
203 lines • 21.7 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { Injectable, NgZone } from '@angular/core';
/**
* @hidden
*/
export class IgxColumnResizingService {
/**
* @param {?} zone
*/
constructor(zone) {
this.zone = zone;
/**
* @hidden
*/
this.resizeCursor = null;
/**
* @hidden
*/
this.showResizer = false;
}
/**
* @hidden
* @return {?}
*/
get resizerHeight() {
/** @type {?} */
let height = this.column.grid.getVisibleContentHeight();
if (this.column.level !== 0) {
height -= this.column.topLevelParent.headerGroup.height - this.column.headerGroup.height;
}
return height;
}
/**
* Returns the minimal possible width to which the column can be resized.
* @return {?}
*/
get restrictResizeMin() {
/** @type {?} */
const actualMinWidth = parseFloat(this.column.minWidth);
/** @type {?} */
const defaultMinWidth = parseFloat(this.column.defaultMinWidth);
/** @type {?} */
let minWidth = Number.isNaN(actualMinWidth) || actualMinWidth < defaultMinWidth ? defaultMinWidth : actualMinWidth;
minWidth = minWidth < parseFloat(this.column.width) ? minWidth : parseFloat(this.column.width);
return this.column.headerCell.elementRef.nativeElement.getBoundingClientRect().width - minWidth;
}
/**
* Returns the maximal possible width to which the column can be resized.
* @return {?}
*/
get restrictResizeMax() {
/** @type {?} */
const actualWidth = this.column.headerCell.elementRef.nativeElement.getBoundingClientRect().width;
if (this.column.pinned) {
/** @type {?} */
const pinnedMaxWidth = this.pinnedMaxWidth =
this.column.grid.calcPinnedContainerMaxWidth - this.column.grid.getPinnedWidth(true) + actualWidth;
if (this.column.maxWidth && parseFloat(this.column.maxWidth) < pinnedMaxWidth) {
this.pinnedMaxWidth = this.column.maxWidth;
return parseFloat(this.column.maxWidth) - actualWidth;
}
else {
return pinnedMaxWidth - actualWidth;
}
}
else {
if (this.column.maxWidth) {
return parseFloat(this.column.maxWidth) - actualWidth;
}
else {
return Number.MAX_SAFE_INTEGER;
}
}
}
/**
* Autosizes the column to the longest currently visible cell value, including the header cell.
* If the column has a predifined maxWidth and the autosized column width will become bigger than it,
* then the column is sized to its maxWidth.
* If the column is pinned and the autosized column width will cause the pinned area to become bigger
* than the maximum allowed pinned area width (80% of the total grid width), autosizing will be deismissed.
* @return {?}
*/
autosizeColumnOnDblClick() {
/** @type {?} */
const currentColWidth = this.column.headerCell.elementRef.nativeElement.getBoundingClientRect().width;
/** @type {?} */
const size = this.column.getLargestCellWidth();
if (this.column.pinned) {
/** @type {?} */
const newPinnedWidth = this.column.grid.getPinnedWidth(true) - currentColWidth + parseFloat(size);
if (newPinnedWidth <= this.column.grid.calcPinnedContainerMaxWidth) {
this.column.width = size;
}
}
else if (this.column.maxWidth && (parseFloat(size) > parseFloat(this.column.maxWidth))) {
this.column.width = parseFloat(this.column.maxWidth) + 'px';
}
else if (parseFloat(size) < parseFloat(this.column.defaultMinWidth)) {
this.column.width = this.column.defaultMinWidth + 'px';
}
else {
this.column.width = size;
}
this.zone.run(() => { });
this.column.grid.reflow();
this.column.grid.onColumnResized.emit({
column: this.column,
prevWidth: currentColWidth.toString(),
newWidth: this.column.width
});
}
/**
* Resizes the column regaridng to the column minWidth and maxWidth.
* @param {?} event
* @return {?}
*/
resizeColumn(event) {
this.showResizer = false;
/** @type {?} */
const diff = event.clientX - this.startResizePos;
/** @type {?} */
let currentColWidth = parseFloat(this.column.width);
/** @type {?} */
const actualMinWidth = parseFloat(this.column.minWidth);
/** @type {?} */
const defaultMinWidth = parseFloat(this.column.defaultMinWidth);
/** @type {?} */
let colMinWidth = Number.isNaN(actualMinWidth) || actualMinWidth < defaultMinWidth ? defaultMinWidth : actualMinWidth;
/** @type {?} */
const colMaxWidth = this.column.pinned ? parseFloat(this.pinnedMaxWidth) : parseFloat(this.column.maxWidth);
/** @type {?} */
const actualWidth = this.column.headerCell.elementRef.nativeElement.getBoundingClientRect().width;
currentColWidth = Number.isNaN(currentColWidth) || (currentColWidth < actualWidth) ? actualWidth : currentColWidth;
colMinWidth = colMinWidth < currentColWidth ? colMinWidth : currentColWidth;
if (currentColWidth + diff < colMinWidth) {
this.column.width = colMinWidth + 'px';
}
else if (colMaxWidth && (currentColWidth + diff > colMaxWidth)) {
this.column.width = colMaxWidth + 'px';
}
else {
this.column.width = (currentColWidth + diff) + 'px';
}
this.zone.run(() => { });
this.column.grid.reflow();
if (currentColWidth !== parseFloat(this.column.width)) {
this.column.grid.onColumnResized.emit({
column: this.column,
prevWidth: currentColWidth.toString(),
newWidth: this.column.width
});
}
this.isColumnResizing = false;
}
}
IgxColumnResizingService.decorators = [
{ type: Injectable }
];
/** @nocollapse */
IgxColumnResizingService.ctorParameters = () => [
{ type: NgZone }
];
if (false) {
/**
* @type {?}
* @private
*/
IgxColumnResizingService.prototype.pinnedMaxWidth;
/**
* @hidden
* @type {?}
*/
IgxColumnResizingService.prototype.startResizePos;
/**
* Indicates that a column is currently being resized.
* @type {?}
*/
IgxColumnResizingService.prototype.isColumnResizing;
/**
* @hidden
* @type {?}
*/
IgxColumnResizingService.prototype.resizeCursor;
/**
* @hidden
* @type {?}
*/
IgxColumnResizingService.prototype.showResizer;
/**
* The column being resized.
* @type {?}
*/
IgxColumnResizingService.prototype.column;
/**
* @type {?}
* @private
*/
IgxColumnResizingService.prototype.zone;
}
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{ Injectable, NgZone } from '@angular/core';\nimport { IgxColumnComponent } from './column.component';\n\n/** @hidden */\n@Injectable()\nexport class IgxColumnResizingService {\n\n    private pinnedMaxWidth: string;\n\n    /**\n     *@hidden\n     */\n    public startResizePos: number;\n    /**\n     * Indicates that a column is currently being resized.\n     */\n    public isColumnResizing: boolean;\n    /**\n     *@hidden\n     */\n    public resizeCursor: string = null;\n    /**\n     *@hidden\n     */\n    public showResizer = false;\n    /**\n     * The column being resized.\n     */\n    public column: IgxColumnComponent;\n\n    constructor(private zone: NgZone) { }\n\n    /**\n     *@hidden\n     */\n    get resizerHeight(): number {\n        let height = this.column.grid.getVisibleContentHeight();\n\n        if (this.column.level !== 0) {\n            height -= this.column.topLevelParent.headerGroup.height - this.column.headerGroup.height;\n        }\n\n        return height;\n    }\n\n    /**\n     * Returns the minimal possible width to which the column can be resized.\n     */\n    get restrictResizeMin(): number {\n        const actualMinWidth = parseFloat(this.column.minWidth);\n        const defaultMinWidth = parseFloat(this.column.defaultMinWidth);\n\n        let minWidth = Number.isNaN(actualMinWidth) || actualMinWidth < defaultMinWidth ? defaultMinWidth : actualMinWidth;\n        minWidth = minWidth < parseFloat(this.column.width) ? minWidth : parseFloat(this.column.width);\n\n        return this.column.headerCell.elementRef.nativeElement.getBoundingClientRect().width - minWidth;\n    }\n\n    /**\n     * Returns the maximal possible width to which the column can be resized.\n     */\n    get restrictResizeMax(): number {\n        const actualWidth = this.column.headerCell.elementRef.nativeElement.getBoundingClientRect().width;\n\n        if (this.column.pinned) {\n            const pinnedMaxWidth = this.pinnedMaxWidth =\n                this.column.grid.calcPinnedContainerMaxWidth - this.column.grid.getPinnedWidth(true) + actualWidth;\n\n            if (this.column.maxWidth && parseFloat(this.column.maxWidth) < pinnedMaxWidth) {\n                this.pinnedMaxWidth = this.column.maxWidth;\n\n                return parseFloat(this.column.maxWidth) - actualWidth;\n            } else {\n                return pinnedMaxWidth - actualWidth;\n            }\n        } else {\n            if (this.column.maxWidth) {\n                return parseFloat(this.column.maxWidth) - actualWidth;\n            } else {\n                return Number.MAX_SAFE_INTEGER;\n            }\n        }\n    }\n\n    /**\n     * Autosizes the column to the longest currently visible cell value, including the header cell.\n     * If the column has a predifined maxWidth and the autosized column width will become bigger than it,\n     * then the column is sized to its maxWidth.\n     * If the column is pinned and the autosized column width will cause the pinned area to become bigger\n     * than the maximum allowed pinned area width (80% of the total grid width), autosizing will be deismissed.\n     */\n    public autosizeColumnOnDblClick() {\n        const currentColWidth = this.column.headerCell.elementRef.nativeElement.getBoundingClientRect().width;\n\n        const size = this.column.getLargestCellWidth();\n\n        if (this.column.pinned) {\n            const newPinnedWidth = this.column.grid.getPinnedWidth(true) - currentColWidth + parseFloat(size);\n\n            if (newPinnedWidth <= this.column.grid.calcPinnedContainerMaxWidth) {\n                this.column.width = size;\n            }\n        } else if (this.column.maxWidth && (parseFloat(size) > parseFloat(this.column.maxWidth))) {\n            this.column.width = parseFloat(this.column.maxWidth) + 'px';\n        } else if (parseFloat(size) < parseFloat(this.column.defaultMinWidth)) {\n            this.column.width = this.column.defaultMinWidth + 'px';\n        } else {\n            this.column.width = size;\n        }\n\n        this.zone.run(() => {});\n\n        this.column.grid.reflow();\n        this.column.grid.onColumnResized.emit({\n            column: this.column,\n            prevWidth: currentColWidth.toString(),\n            newWidth: this.column.width\n        });\n    }\n\n    /**\n     * Resizes the column regaridng to the column minWidth and maxWidth.\n     */\n    public resizeColumn(event: MouseEvent) {\n        this.showResizer = false;\n        const diff = event.clientX - this.startResizePos;\n\n        let currentColWidth = parseFloat(this.column.width);\n\n        const actualMinWidth = parseFloat(this.column.minWidth);\n        const defaultMinWidth = parseFloat(this.column.defaultMinWidth);\n\n        let colMinWidth = Number.isNaN(actualMinWidth) || actualMinWidth < defaultMinWidth ? defaultMinWidth : actualMinWidth;\n        const colMaxWidth = this.column.pinned ? parseFloat(this.pinnedMaxWidth) : parseFloat(this.column.maxWidth);\n\n        const actualWidth = this.column.headerCell.elementRef.nativeElement.getBoundingClientRect().width;\n\n        currentColWidth = Number.isNaN(currentColWidth) || (currentColWidth < actualWidth) ? actualWidth : currentColWidth;\n        colMinWidth = colMinWidth < currentColWidth ? colMinWidth : currentColWidth;\n\n        if (currentColWidth + diff < colMinWidth) {\n            this.column.width = colMinWidth + 'px';\n        } else if (colMaxWidth && (currentColWidth + diff > colMaxWidth)) {\n            this.column.width = colMaxWidth + 'px';\n        } else {\n            this.column.width = (currentColWidth + diff) + 'px';\n        }\n\n        this.zone.run(() => {});\n        this.column.grid.reflow();\n\n        if (currentColWidth !== parseFloat(this.column.width)) {\n            this.column.grid.onColumnResized.emit({\n                column: this.column,\n                prevWidth: currentColWidth.toString(),\n                newWidth: this.column.width\n            });\n        }\n\n        this.isColumnResizing = false;\n    }\n}\n"]}