@catull/igniteui-angular
Version:
Ignite UI for Angular is a dependency-free Angular toolkit for building modern web apps
181 lines • 27.6 kB
JavaScript
import { __decorate, __metadata } from "tslib";
import { Injectable, NgZone } from '@angular/core';
/**
* @hidden
* @internal
*/
let IgxColumnResizingService = class IgxColumnResizingService {
constructor(zone) {
this.zone = zone;
/**
*@hidden
*/
this.resizeCursor = null;
/**
*@hidden
*/
this.showResizer = false;
}
/**
*@hidden
*/
get resizerHeight() {
let height = this.column.grid.getVisibleContentHeight();
// Column height multiplier in case there are Column Layouts. The resizer height need to take into account rowStart.
let columnHeightMultiplier = 1;
if (this.column.columnLayoutChild) {
columnHeightMultiplier = this.column.grid.multiRowLayoutRowSize - this.column.rowStart + 1;
}
if (this.column.level !== 0) {
height -= this.column.topLevelParent.headerGroup.height - this.column.headerGroup.height * columnHeightMultiplier;
}
return height;
}
/**
* Returns the minimal possible width to which the column can be resized.
*/
get restrictResizeMin() {
const actualMinWidth = parseFloat(this.column.minWidth);
const minWidth = actualMinWidth < parseFloat(this.column.width) ? actualMinWidth : 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.
*/
get restrictResizeMax() {
const actualWidth = this.column.headerCell.elementRef.nativeElement.getBoundingClientRect().width;
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.
*/
autosizeColumnOnDblClick() {
const currentColWidth = this.column.headerCell.elementRef.nativeElement.getBoundingClientRect().width;
const size = this.column.getLargestCellWidth();
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.minWidth)) {
this.column.width = this.column.minWidth + 'px';
}
else {
this.column.width = size;
}
this.zone.run(() => { });
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.
*/
resizeColumn(event) {
this.showResizer = false;
const diff = event.clientX - this.startResizePos;
let currentColWidth = parseFloat(this.column.width);
const actualWidth = this.column.headerCell.elementRef.nativeElement.getBoundingClientRect().width;
currentColWidth = Number.isNaN(currentColWidth) || (currentColWidth < actualWidth) ? actualWidth : currentColWidth;
const colMinWidth = this.getColMinWidth(this.column);
const colMaxWidth = this.getColMaxWidth(this.column);
if (this.column.grid.hasColumnLayouts) {
this.resizeColumnLayoutFor(this.column, diff);
}
else {
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(() => { });
if (currentColWidth !== parseFloat(this.column.width)) {
this.column.grid.onColumnResized.emit({
column: this.column,
prevWidth: currentColWidth.toString(),
newWidth: this.column.width
});
}
this.isColumnResizing = false;
}
getColMinWidth(column) {
let currentColWidth = parseFloat(column.width);
const actualWidth = column.headerCell.elementRef.nativeElement.getBoundingClientRect().width;
currentColWidth = Number.isNaN(currentColWidth) || (currentColWidth < actualWidth) ? actualWidth : currentColWidth;
const actualMinWidth = parseFloat(column.minWidth);
return actualMinWidth < currentColWidth ? actualMinWidth : currentColWidth;
}
getColMaxWidth(column) {
return column.pinned ? parseFloat(this.pinnedMaxWidth) : parseFloat(column.maxWidth);
}
resizeColumnLayoutFor(column, diff) {
const relativeColumns = column.getResizableColUnderEnd();
const combinedSpan = relativeColumns.reduce((acc, col) => acc + col.spanUsed, 0);
// Resize first those who might reach min/max width
let columnsToResize = [...relativeColumns];
let updatedDiff = diff;
let updatedCombinedSpan = combinedSpan;
let setMinMaxCols = false;
do {
// Cycle them until there are not ones that reach min/max size, because the diff accumulates after each cycle.
// This is because we can have at first 2 cols reaching min width and then after
// recalculating the diff there might be 1 more that reaches min width.
setMinMaxCols = false;
let newCombinedSpan = updatedCombinedSpan;
const newColsToResize = [];
columnsToResize.forEach((col) => {
const currentResizeWidth = parseFloat(col.target.calcWidth);
const resizeScaled = (diff / updatedCombinedSpan) * col.target.gridColumnSpan;
const minWidth = this.getColMinWidth(col.target);
const maxWidth = this.getColMaxWidth(col.target);
if (currentResizeWidth + resizeScaled < minWidth) {
col.target.width = minWidth + 'px';
updatedDiff += (currentResizeWidth - minWidth);
newCombinedSpan -= col.spanUsed;
setMinMaxCols = true;
}
else if (maxWidth && (currentResizeWidth + resizeScaled > maxWidth)) {
col.target.width = maxWidth + 'px';
updatedDiff -= (maxWidth - currentResizeWidth);
newCombinedSpan -= col.spanUsed;
setMinMaxCols = true;
}
else {
// Save new ones that can be resized
newColsToResize.push(col);
}
});
updatedCombinedSpan = newCombinedSpan;
columnsToResize = newColsToResize;
} while (setMinMaxCols);
// Those left that don't reach min/max size resize them normally.
columnsToResize.forEach((col) => {
const currentResizeWidth = parseFloat(col.target.calcWidth);
const resizeScaled = (updatedDiff / updatedCombinedSpan) * col.target.gridColumnSpan;
col.target.width = (currentResizeWidth + resizeScaled) + 'px';
});
}
};
IgxColumnResizingService.ctorParameters = () => [
{ type: NgZone }
];
IgxColumnResizingService = __decorate([
Injectable(),
__metadata("design:paramtypes", [NgZone])
], IgxColumnResizingService);
export { IgxColumnResizingService };
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{ Injectable, NgZone } from '@angular/core';\nimport { IgxColumnComponent } from '../columns/column.component';\n\n/**\n * @hidden\n * @internal\n */\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        // Column height multiplier in case there are Column Layouts. The resizer height need to take into account rowStart.\n        let columnHeightMultiplier = 1;\n        if (this.column.columnLayoutChild) {\n            columnHeightMultiplier = this.column.grid.multiRowLayoutRowSize - this.column.rowStart + 1;\n        }\n\n        if (this.column.level !== 0) {\n            height -= this.column.topLevelParent.headerGroup.height - this.column.headerGroup.height * columnHeightMultiplier;\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 minWidth = actualMinWidth < parseFloat(this.column.width) ? actualMinWidth : 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        if (this.column.maxWidth) {\n            return parseFloat(this.column.maxWidth) - actualWidth;\n        } else {\n            return Number.MAX_SAFE_INTEGER;\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        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.minWidth)) {\n            this.column.width = this.column.minWidth + 'px';\n        } else {\n            this.column.width = size;\n        }\n\n        this.zone.run(() => {});\n\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        const actualWidth = this.column.headerCell.elementRef.nativeElement.getBoundingClientRect().width;\n        currentColWidth = Number.isNaN(currentColWidth) || (currentColWidth < actualWidth) ? actualWidth : currentColWidth;\n\n        const colMinWidth = this.getColMinWidth(this.column);\n        const colMaxWidth = this.getColMaxWidth(this.column);\n        if (this.column.grid.hasColumnLayouts) {\n            this.resizeColumnLayoutFor(this.column, diff);\n        } else {\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\n        this.zone.run(() => {});\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    protected getColMinWidth(column: IgxColumnComponent) {\n        let currentColWidth = parseFloat(column.width);\n        const actualWidth = column.headerCell.elementRef.nativeElement.getBoundingClientRect().width;\n        currentColWidth = Number.isNaN(currentColWidth) || (currentColWidth < actualWidth) ? actualWidth : currentColWidth;\n\n        const actualMinWidth = parseFloat(column.minWidth);\n        return actualMinWidth < currentColWidth ? actualMinWidth : currentColWidth;\n    }\n\n    protected getColMaxWidth(column: IgxColumnComponent) {\n        return column.pinned ? parseFloat(this.pinnedMaxWidth) : parseFloat(column.maxWidth);\n    }\n\n    protected resizeColumnLayoutFor(column: IgxColumnComponent, diff: number) {\n        const relativeColumns = column.getResizableColUnderEnd();\n        const combinedSpan = relativeColumns.reduce((acc, col) =>  acc + col.spanUsed, 0);\n\n        // Resize first those who might reach min/max width\n        let columnsToResize = [...relativeColumns];\n        let updatedDiff = diff;\n        let updatedCombinedSpan = combinedSpan;\n        let setMinMaxCols = false;\n        do {\n            // Cycle them until there are not ones that reach min/max size, because the diff accumulates after each cycle.\n            // This is because we can have at first 2 cols reaching min width and then after\n            // recalculating the diff there might be 1 more that reaches min width.\n            setMinMaxCols = false;\n            let newCombinedSpan = updatedCombinedSpan;\n            const newColsToResize = [];\n            columnsToResize.forEach((col) => {\n                const currentResizeWidth = parseFloat(col.target.calcWidth);\n                const resizeScaled = (diff / updatedCombinedSpan) * col.target.gridColumnSpan;\n\n                const minWidth = this.getColMinWidth(col.target);\n                const maxWidth = this.getColMaxWidth(col.target);\n                if (currentResizeWidth + resizeScaled < minWidth) {\n                    col.target.width = minWidth + 'px';\n                    updatedDiff += (currentResizeWidth - minWidth);\n                    newCombinedSpan -= col.spanUsed;\n                    setMinMaxCols = true;\n                } else if (maxWidth && (currentResizeWidth + resizeScaled > maxWidth)) {\n                    col.target.width = maxWidth + 'px';\n                    updatedDiff -= (maxWidth - currentResizeWidth);\n                    newCombinedSpan -= col.spanUsed;\n                    setMinMaxCols = true;\n                } else {\n                    // Save new ones that can be resized\n                    newColsToResize.push(col);\n                }\n            });\n\n            updatedCombinedSpan = newCombinedSpan;\n            columnsToResize = newColsToResize;\n        } while (setMinMaxCols);\n\n        // Those left that don't reach min/max size resize them normally.\n        columnsToResize.forEach((col) => {\n            const currentResizeWidth = parseFloat(col.target.calcWidth);\n            const resizeScaled = (updatedDiff / updatedCombinedSpan) * col.target.gridColumnSpan;\n            col.target.width = (currentResizeWidth + resizeScaled) + 'px';\n        });\n    }\n}\n"]}