11794105037

Committed 12 Nov 2024 09:11AM CUT coverage: 91.769% (-0.01%) from 91.783%

Build # 11794105037

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push

github

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web-flow

Commit Message

Merge pull request #15024 from IgniteUI/ganastasov/fix-15019-17.2.x

fix(slider): ensure upper thumb reaches maxValue with decimal steps - 17.2.x

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/projects/igniteui-angular/src/lib/grids/hierarchical-grid/hierarchical-grid-navigation.service.ts

import { Injectable } from '@angular/core';
import { first } from 'rxjs/operators';
import { NAVIGATION_KEYS, SUPPORTED_KEYS } from '../../core/utils';
import { GridType, IPathSegment, RowType } from '../common/grid.interface';
import { IActiveNode, IgxGridNavigationService } from '../grid-navigation.service';

@Injectable()
export class IgxHierarchicalGridNavigationService extends IgxGridNavigationService {
    protected _pendingNavigation = false;


    public override dispatchEvent(event: KeyboardEvent) {
        const key = event.key.toLowerCase();
        if (!this.activeNode || !(SUPPORTED_KEYS.has(key) || (key === 'tab' && this.grid.crudService.cell)) &&
            !this.grid.crudService.rowEditingBlocked && !this.grid.crudService.rowInEditMode) {
            return;
        }

        const targetGrid = this.getClosestElemByTag(event.target, 'igx-hierarchical-grid');
        if (targetGrid !== this.grid.nativeElement) {
            return;
        }

        if (this._pendingNavigation && NAVIGATION_KEYS.has(key)) {
            // In case focus needs to be moved from one grid to another, however there is a pending scroll operation
            // which is an async operation, any additional navigation keys should be ignored
            // untill operation complete.
            event.preventDefault();
            return;
        }
        super.dispatchEvent(event);
    }

    public override navigateInBody(rowIndex, visibleColIndex, cb: (arg: any) => void = null): void {
        const rec = this.grid.dataView[rowIndex];
        if (rec && this.grid.isChildGridRecord(rec)) {
             // target is child grid
            const virtState = this.grid.verticalScrollContainer.state;
             const inView = rowIndex >= virtState.startIndex && rowIndex <= virtState.startIndex + virtState.chunkSize;
             const isNext =  this.activeNode.row < rowIndex;
             const targetLayoutIndex = isNext ? null : this.grid.childLayoutKeys.length - 1;
             if (inView) {
                this._moveToChild(rowIndex, visibleColIndex, isNext, targetLayoutIndex, cb);
            } else {
                let scrollAmount = this.grid.verticalScrollContainer.getScrollForIndex(rowIndex, !isNext);
                scrollAmount += isNext ? 1 : -1;
                this.grid.verticalScrollContainer.getScroll().scrollTop = scrollAmount;
                this._pendingNavigation = true;
                this.grid.verticalScrollContainer.chunkLoad.pipe(first()).subscribe(() => {
                    this._moveToChild(rowIndex, visibleColIndex, isNext, targetLayoutIndex, cb);
                    this._pendingNavigation = false;
                });
            }
            return;
        }

        const isLast = rowIndex === this.grid.dataView.length;
        if ((rowIndex === -1 || isLast) &&
            this.grid.parent !== null) {
            // reached end of child grid
            const nextSiblingIndex = this.nextSiblingIndex(isLast);
            if (nextSiblingIndex !== null) {
                this.grid.parent.navigation._moveToChild(this.grid.childRow.index, visibleColIndex, isLast, nextSiblingIndex, cb);
            } else {
                this._moveToParent(isLast, visibleColIndex, cb);
            }
            return;
        }

        if (this.grid.parent) {
            const isNext = this.activeNode && typeof this.activeNode.row === 'number' ? rowIndex > this.activeNode.row : false;
            const cbHandler = (args) => {
                this._handleScrollInChild(rowIndex, isNext);
                cb(args);
            };
            if (!this.activeNode) {
                this.activeNode = { row: null, column: null };
            }
            super.navigateInBody(rowIndex, visibleColIndex, cbHandler);
            return;
        }

        if (!this.activeNode) {
            this.activeNode = { row: null, column: null };
        }
        super.navigateInBody(rowIndex, visibleColIndex, cb);
    }

    public override shouldPerformVerticalScroll(index, visibleColumnIndex = -1, isNext?) {
        const targetRec = this.grid.dataView[index];
        if (this.grid.isChildGridRecord(targetRec)) {
            const scrollAmount = this.grid.verticalScrollContainer.getScrollForIndex(index, !isNext);
            const currScroll = this.grid.verticalScrollContainer.getScroll().scrollTop;
            const shouldScroll = !isNext ? scrollAmount > currScroll : currScroll < scrollAmount;
            return shouldScroll;
        } else {
            return super.shouldPerformVerticalScroll(index, visibleColumnIndex);
        }
    }

    public override focusTbody(event) {
        if (!this.activeNode || this.activeNode.row === null) {
            this.activeNode = {
                row: 0,
                column: 0
            };

            this.grid.navigateTo(0, 0, (obj) => {
                this.grid.clearCellSelection();
                obj.target.activate(event);
            });

        } else {
            super.focusTbody(event);
        }
    }

    protected nextSiblingIndex(isNext) {
        const layoutKey = this.grid.childRow.layout.key;
        const layoutIndex = this.grid.parent.childLayoutKeys.indexOf(layoutKey);
        const nextIndex = isNext ? layoutIndex + 1 : layoutIndex - 1;
        if (nextIndex <= this.grid.parent.childLayoutKeys.length - 1 && nextIndex > -1) {
            return nextIndex;
        } else {
            return null;
        }
    }

    /**
     * Handles scrolling in child grid and ensures target child row is in main grid view port.
     *
     * @param rowIndex The row index which should be in view.
     * @param isNext  Optional. Whether we are navigating to next. Used to determine scroll direction.
     * @param cb  Optional.Callback function called when operation is complete.
     */
    protected _handleScrollInChild(rowIndex: number, isNext?: boolean, cb?: () => void) {
        const shouldScroll = this.shouldPerformVerticalScroll(rowIndex, -1, isNext);
        if (shouldScroll) {
            this.grid.navigation.performVerticalScrollToCell(rowIndex, -1, () => {
                this.positionInParent(rowIndex, isNext, cb);
            });
        } else {
            this.positionInParent(rowIndex, isNext, cb);
        }
    }

    /**
     *
     * @param rowIndex Row index that should come in view.
     * @param isNext  Whether we are navigating to next. Used to determine scroll direction.
     * @param cb  Optional.Callback function called when operation is complete.
     */
    protected positionInParent(rowIndex, isNext, cb?: () => void) {
        const row = this.grid.gridAPI.get_row_by_index(rowIndex);
        if (!row) {
            if (cb) {
                cb();
            }
            return;
        }
        const positionInfo = this.getPositionInfo(row, isNext);
        if (!positionInfo.inView) {
            // stop event from triggering multiple times before scrolling is complete.
            this._pendingNavigation = true;
            const scrollableGrid = isNext ? this.getNextScrollableDown(this.grid) : this.getNextScrollableUp(this.grid);
            scrollableGrid.grid.verticalScrollContainer.recalcUpdateSizes();
            scrollableGrid.grid.verticalScrollContainer.addScrollTop(positionInfo.offset);
            scrollableGrid.grid.verticalScrollContainer.chunkLoad.pipe(first()).subscribe(() => {
                this._pendingNavigation = false;
                if (cb) {
                    cb();
                }
            });
        } else {
            if (cb) {
                cb();
            }
        }
    }

    /**
     * Moves navigation to child grid.
     *
     * @param parentRowIndex The parent row index, at which the child grid is rendered.
     * @param childLayoutIndex Optional. The index of the child row island to which the child grid belongs to. Uses first if not set.
     */
    protected _moveToChild(parentRowIndex: number, visibleColIndex: number, isNext: boolean, childLayoutIndex?: number,
                            cb?: (arg: any) => void) {
        const ri = typeof childLayoutIndex !== 'number' ?
         this.grid.childLayoutList.first : this.grid.childLayoutList.toArray()[childLayoutIndex];
        const rowId = this.grid.dataView[parentRowIndex].rowID;
        const pathSegment: IPathSegment = {
            rowID: rowId,
            rowKey: rowId,
            rowIslandKey: ri.key
        };
        const childGrid =  this.grid.gridAPI.getChildGrid([pathSegment]);
        const targetIndex = isNext ? 0 : childGrid.dataView.length - 1;
        const targetRec =  childGrid.dataView[targetIndex];
        if (!targetRec) {
            // if no target rec, then move on in next sibling or parent
            childGrid.navigation.navigateInBody(targetIndex, visibleColIndex, cb);
            return;
        }
        if (childGrid.isChildGridRecord(targetRec)) {
            // if target is a child grid record should move into it.
            this.grid.navigation.activeNode.row = null;
            childGrid.navigation.activeNode = { row: targetIndex, column: this.activeNode.column};
            childGrid.navigation._handleScrollInChild(targetIndex, isNext, () => {
                const targetLayoutIndex = isNext ? 0 : childGrid.childLayoutList.toArray().length - 1;
                childGrid.navigation._moveToChild(targetIndex, visibleColIndex, isNext, targetLayoutIndex, cb);
            });
            return;
        }

        const childGridNav =  childGrid.navigation;
        this.clearActivation();
        const lastVisibleIndex = childGridNav.lastColumnIndex;
        const columnIndex = visibleColIndex <= lastVisibleIndex ? visibleColIndex : lastVisibleIndex;
        childGridNav.activeNode = { row: targetIndex, column: columnIndex};
        childGrid.tbody.nativeElement.focus({preventScroll: true});
        this._pendingNavigation = false;
        childGrid.navigation._handleScrollInChild(targetIndex, isNext, () => {
            childGrid.navigateTo(targetIndex, columnIndex, cb);
        });
    }

    /**
     * Moves navigation back to parent grid.
     *
     * @param rowIndex
     */
    protected _moveToParent(isNext: boolean, columnIndex, cb?) {
        const indexInParent = this.grid.childRow.index;
        const hasNextTarget = this.hasNextTarget(this.grid.parent, indexInParent, isNext);
        if (!hasNextTarget) {
            return;
        }
        this.clearActivation();
        const targetRowIndex =  isNext ? indexInParent + 1 : indexInParent - 1;
        const lastVisibleIndex = this.grid.parent.navigation.lastColumnIndex;
        const nextColumnIndex = columnIndex <= lastVisibleIndex ? columnIndex : lastVisibleIndex;
        this._pendingNavigation = true;
        const cbFunc = (args) => {
            this._pendingNavigation = false;
            cb(args);
            args.target.grid.tbody.nativeElement.focus();
        };
        this.grid.parent.navigation.navigateInBody(targetRowIndex, nextColumnIndex, cbFunc);
    }

    /**
     * Gets information on the row position relative to the root grid view port.
     * Returns whether the row is in view and its offset.
     *
     * @param rowObj
     * @param isNext
     */
    protected getPositionInfo(row: RowType, isNext: boolean) {
        // XXX: Fix type
        let rowElem = row.nativeElement;
        if ((row as any).layout) {
            const childLayoutKeys = this.grid.childLayoutKeys;
            const riKey = isNext ? childLayoutKeys[0] : childLayoutKeys[childLayoutKeys.length - 1];
            const pathSegment: IPathSegment = {
                rowID: row.data.rowID, rowKey: row.data.rowID,
                rowIslandKey: riKey
            };
            const childGrid =  this.grid.gridAPI.getChildGrid([pathSegment]);
            rowElem = childGrid.tfoot.nativeElement;
        }
        const gridBottom = this._getMinBottom(this.grid);
        const diffBottom =
        rowElem.getBoundingClientRect().bottom - gridBottom;
        const gridTop = this._getMaxTop(this.grid);
        const diffTop = rowElem.getBoundingClientRect().bottom -
        rowElem.offsetHeight - gridTop;
        // Adding Math.Round because Chrome has some inconsistencies when the page is zoomed
        const isInView = isNext ? Math.round(diffBottom) <= 0 : Math.round(diffTop) >= 0;
        const calcOffset =  isNext ? diffBottom : diffTop;

        return { inView: isInView, offset: calcOffset };
    }

    /**
     * Gets closest element by its tag name.
     *
     * @param sourceElem The element from which to start the search.
     * @param targetTag The target element tag name, for which to search.
     */
    protected getClosestElemByTag(sourceElem, targetTag) {
        let result = sourceElem;
        while (result !== null && result.nodeType === 1) {
            if (result.tagName.toLowerCase() === targetTag.toLowerCase()) {
                return result;
            }
            result = result.parentNode;
        }
        return null;
    }

    private clearActivation() {
        // clear if previous activation exists.
        if (this.activeNode && Object.keys(this.activeNode).length) {
            this.activeNode = Object.assign({} as IActiveNode);
        }
    }

    private hasNextTarget(grid: GridType, index: number, isNext: boolean) {
        const targetRowIndex =  isNext ? index + 1 : index - 1;
        const hasTargetRecord = !!grid.dataView[targetRowIndex];
        if (hasTargetRecord) {
            return true;
        } else {
            let hasTargetRecordInParent = false;
            if (grid.parent) {
                const indexInParent = grid.childRow.index;
                hasTargetRecordInParent = this.hasNextTarget(grid.parent, indexInParent, isNext);
            }
            return hasTargetRecordInParent;
        }
    }

    /**
     * Gets the max top view in the current grid hierarchy.
     *
     * @param grid
     */
    private _getMaxTop(grid) {
        let currGrid = grid;
        let top = currGrid.tbody.nativeElement.getBoundingClientRect().top;
        while (currGrid.parent) {
            currGrid = currGrid.parent;
            const pinnedRowsHeight = currGrid.hasPinnedRecords && currGrid.isRowPinningToTop ? currGrid.pinnedRowHeight : 0;
            top = Math.max(top, currGrid.tbody.nativeElement.getBoundingClientRect().top + pinnedRowsHeight);
        }
        return top;
    }

    /**
     * Gets the min bottom view in the current grid hierarchy.
     *
     * @param grid
     */
    private _getMinBottom(grid) {
        let currGrid = grid;
        let bottom = currGrid.tbody.nativeElement.getBoundingClientRect().bottom;
        while (currGrid.parent) {
            currGrid = currGrid.parent;
            const pinnedRowsHeight = currGrid.hasPinnedRecords && !currGrid.isRowPinningToTop ? currGrid.pinnedRowHeight : 0;
            bottom = Math.min(bottom, currGrid.tbody.nativeElement.getBoundingClientRect().bottom - pinnedRowsHeight);
        }
        return bottom;
    }

    /**
     * Finds the next grid that allows scrolling down.
     *
     * @param grid The grid from which to begin the search.
     */
    private getNextScrollableDown(grid) {
        let currGrid = grid.parent;
        if (!currGrid) {
            return { grid, prev: null };
        }
        let scrollTop = currGrid.verticalScrollContainer.scrollPosition;
        let scrollHeight = currGrid.verticalScrollContainer.getScroll().scrollHeight;
        let nonScrollable = scrollHeight === 0 ||
            Math.round(scrollTop + currGrid.verticalScrollContainer.igxForContainerSize) === scrollHeight;
        let prev = grid;
        while (nonScrollable && currGrid.parent !== null) {
            prev = currGrid;
            currGrid = currGrid.parent;
            scrollTop = currGrid.verticalScrollContainer.scrollPosition;
            scrollHeight = currGrid.verticalScrollContainer.getScroll().scrollHeight;
            nonScrollable = scrollHeight === 0 ||
                Math.round(scrollTop + currGrid.verticalScrollContainer.igxForContainerSize) === scrollHeight;
        }
        return { grid: currGrid, prev };
    }

    /**
     * Finds the next grid that allows scrolling up.
     *
     * @param grid The grid from which to begin the search.
     */
    private getNextScrollableUp(grid) {
        let currGrid = grid.parent;
        if (!currGrid) {
            return { grid, prev: null };
        }
        let nonScrollable = currGrid.verticalScrollContainer.scrollPosition === 0;
        let prev = grid;
        while (nonScrollable && currGrid.parent !== null) {
            prev = currGrid;
            currGrid = currGrid.parent;
            nonScrollable = currGrid.verticalScrollContainer.scrollPosition === 0;
        }
        return { grid: currGrid, prev };
    }
}

1	import { Injectable } from '@angular/core';
2	import { first } from 'rxjs/operators';
3	import { NAVIGATION_KEYS, SUPPORTED_KEYS } from '../../core/utils';
4	import { GridType, IPathSegment, RowType } from '../common/grid.interface';
5	import { IActiveNode, IgxGridNavigationService } from '../grid-navigation.service';
6
7	@Injectable()
8	export class IgxHierarchicalGridNavigationService extends IgxGridNavigationService {	2✔
9	protected _pendingNavigation = false;	856✔
10
11
12	public override dispatchEvent(event: KeyboardEvent) {
13	const key = event.key.toLowerCase();	47✔
14	if (!this.activeNode \|\| !(SUPPORTED_KEYS.has(key) \|\| (key === 'tab' && this.grid.crudService.cell)) &&	47!
15	!this.grid.crudService.rowEditingBlocked && !this.grid.crudService.rowInEditMode) {
16	return;	×
17	}
18
19	const targetGrid = this.getClosestElemByTag(event.target, 'igx-hierarchical-grid');	47✔
20	if (targetGrid !== this.grid.nativeElement) {	47!
21	return;	×
22	}
23
24	if (this._pendingNavigation && NAVIGATION_KEYS.has(key)) {	47!
25	// In case focus needs to be moved from one grid to another, however there is a pending scroll operation
26	// which is an async operation, any additional navigation keys should be ignored
27	// untill operation complete.
28	event.preventDefault();	×
29	return;	×
30	}
31	super.dispatchEvent(event);	47✔
32	}
33
34	public override navigateInBody(rowIndex, visibleColIndex, cb: (arg: any) => void = null): void {	×
35	const rec = this.grid.dataView[rowIndex];	49✔
36	if (rec && this.grid.isChildGridRecord(rec)) {	49✔
37	// target is child grid
38	const virtState = this.grid.verticalScrollContainer.state;	15✔
39	const inView = rowIndex >= virtState.startIndex && rowIndex <= virtState.startIndex + virtState.chunkSize;	15✔
40	const isNext = this.activeNode.row < rowIndex;	15✔
41	const targetLayoutIndex = isNext ? null : this.grid.childLayoutKeys.length - 1;	15✔
42	if (inView) {	15!
43	this._moveToChild(rowIndex, visibleColIndex, isNext, targetLayoutIndex, cb);	15✔
44	} else {
45	let scrollAmount = this.grid.verticalScrollContainer.getScrollForIndex(rowIndex, !isNext);	×
46	scrollAmount += isNext ? 1 : -1;	×
47	this.grid.verticalScrollContainer.getScroll().scrollTop = scrollAmount;	×
48	this._pendingNavigation = true;	×
49	this.grid.verticalScrollContainer.chunkLoad.pipe(first()).subscribe(() => {	×
50	this._moveToChild(rowIndex, visibleColIndex, isNext, targetLayoutIndex, cb);	×
51	this._pendingNavigation = false;	×
52	});
53	}
54	return;	15✔
55	}
56
57	const isLast = rowIndex === this.grid.dataView.length;	34✔
58	if ((rowIndex === -1 \|\| isLast) &&	34✔
59	this.grid.parent !== null) {
60	// reached end of child grid
61	const nextSiblingIndex = this.nextSiblingIndex(isLast);	10✔
62	if (nextSiblingIndex !== null) {	10✔
63	this.grid.parent.navigation._moveToChild(this.grid.childRow.index, visibleColIndex, isLast, nextSiblingIndex, cb);	4✔
64	} else {
65	this._moveToParent(isLast, visibleColIndex, cb);	6✔
66	}
67	return;	10✔
68	}
69
70	if (this.grid.parent) {	24✔
71	const isNext = this.activeNode && typeof this.activeNode.row === 'number' ? rowIndex > this.activeNode.row : false;	16✔
72	const cbHandler = (args) => {	16✔
73	this._handleScrollInChild(rowIndex, isNext);	15✔
74	cb(args);	15✔
75	};
76	if (!this.activeNode) {	16!
77	this.activeNode = { row: null, column: null };	×
78	}
79	super.navigateInBody(rowIndex, visibleColIndex, cbHandler);	16✔
80	return;	16✔
81	}
82
83	if (!this.activeNode) {	8!
84	this.activeNode = { row: null, column: null };	×
85	}
86	super.navigateInBody(rowIndex, visibleColIndex, cb);	8✔
87	}
88
89	public override shouldPerformVerticalScroll(index, visibleColumnIndex = -1, isNext?) {	×
90	const targetRec = this.grid.dataView[index];	140✔
91	if (this.grid.isChildGridRecord(targetRec)) {	140✔
92	const scrollAmount = this.grid.verticalScrollContainer.getScrollForIndex(index, !isNext);	2✔
93	const currScroll = this.grid.verticalScrollContainer.getScroll().scrollTop;	2✔
94	const shouldScroll = !isNext ? scrollAmount > currScroll : currScroll < scrollAmount;	2!
95	return shouldScroll;	2✔
96	} else {
97	return super.shouldPerformVerticalScroll(index, visibleColumnIndex);	138✔
98	}
99	}
100
101	public override focusTbody(event) {
102	if (!this.activeNode \|\| this.activeNode.row === null) {	93!
103	this.activeNode = {	×
104	row: 0,
105	column: 0
106	};
107
108	this.grid.navigateTo(0, 0, (obj) => {	×
109	this.grid.clearCellSelection();	×
110	obj.target.activate(event);	×
111	});
112
113	} else {
114	super.focusTbody(event);	93✔
115	}
116	}
117
118	protected nextSiblingIndex(isNext) {
119	const layoutKey = this.grid.childRow.layout.key;	10✔
120	const layoutIndex = this.grid.parent.childLayoutKeys.indexOf(layoutKey);	10✔
121	const nextIndex = isNext ? layoutIndex + 1 : layoutIndex - 1;	10✔
122	if (nextIndex <= this.grid.parent.childLayoutKeys.length - 1 && nextIndex > -1) {	10✔
123	return nextIndex;	4✔
124	} else {
125	return null;	6✔
126	}
127	}
128
129	/**
130	* Handles scrolling in child grid and ensures target child row is in main grid view port.
131	*
132	* @param rowIndex The row index which should be in view.
133	* @param isNext Optional. Whether we are navigating to next. Used to determine scroll direction.
134	* @param cb Optional.Callback function called when operation is complete.
135	*/
136	protected _handleScrollInChild(rowIndex: number, isNext?: boolean, cb?: () => void) {
137	const shouldScroll = this.shouldPerformVerticalScroll(rowIndex, -1, isNext);	31✔
138	if (shouldScroll) {	31✔
139	this.grid.navigation.performVerticalScrollToCell(rowIndex, -1, () => {	9✔
140	this.positionInParent(rowIndex, isNext, cb);	9✔
141	});
142	} else {
143	this.positionInParent(rowIndex, isNext, cb);	22✔
144	}
145	}
146
147	/**
148	*
149	* @param rowIndex Row index that should come in view.
150	* @param isNext Whether we are navigating to next. Used to determine scroll direction.
151	* @param cb Optional.Callback function called when operation is complete.
152	*/
153	protected positionInParent(rowIndex, isNext, cb?: () => void) {
154	const row = this.grid.gridAPI.get_row_by_index(rowIndex);	31✔
155	if (!row) {	31!
UNCOV 156	if (cb) {	×
UNCOV 157	cb();	×
158	}
UNCOV 159	return;	×
160	}
161	const positionInfo = this.getPositionInfo(row, isNext);	31✔
162	if (!positionInfo.inView) {	31✔
163	// stop event from triggering multiple times before scrolling is complete.
164	this._pendingNavigation = true;	8✔
165	const scrollableGrid = isNext ? this.getNextScrollableDown(this.grid) : this.getNextScrollableUp(this.grid);	8✔
166	scrollableGrid.grid.verticalScrollContainer.recalcUpdateSizes();	8✔
167	scrollableGrid.grid.verticalScrollContainer.addScrollTop(positionInfo.offset);	8✔
168	scrollableGrid.grid.verticalScrollContainer.chunkLoad.pipe(first()).subscribe(() => {	8✔
169	this._pendingNavigation = false;	8✔
170	if (cb) {	8✔
171	cb();	1✔
172	}
173	});
174	} else {
175	if (cb) {	23✔
176	cb();	15✔
177	}
178	}
179	}
180
181	/**
182	* Moves navigation to child grid.
183	*
184	* @param parentRowIndex The parent row index, at which the child grid is rendered.
185	* @param childLayoutIndex Optional. The index of the child row island to which the child grid belongs to. Uses first if not set.
186	*/
187	protected _moveToChild(parentRowIndex: number, visibleColIndex: number, isNext: boolean, childLayoutIndex?: number,
188	cb?: (arg: any) => void) {
189	const ri = typeof childLayoutIndex !== 'number' ?	20✔
190	this.grid.childLayoutList.first : this.grid.childLayoutList.toArray()[childLayoutIndex];
191	const rowId = this.grid.dataView[parentRowIndex].rowID;	20✔
192	const pathSegment: IPathSegment = {	20✔
193	rowID: rowId,
194	rowKey: rowId,
195	rowIslandKey: ri.key
196	};
197	const childGrid = this.grid.gridAPI.getChildGrid([pathSegment]);	20✔
198	const targetIndex = isNext ? 0 : childGrid.dataView.length - 1;	20✔
199	const targetRec = childGrid.dataView[targetIndex];	20✔
200	if (!targetRec) {	20✔
201	// if no target rec, then move on in next sibling or parent
202	childGrid.navigation.navigateInBody(targetIndex, visibleColIndex, cb);	4✔
203	return;	4✔
204	}
205	if (childGrid.isChildGridRecord(targetRec)) {	16✔
206	// if target is a child grid record should move into it.
207	this.grid.navigation.activeNode.row = null;	1✔
208	childGrid.navigation.activeNode = { row: targetIndex, column: this.activeNode.column};	1✔
209	childGrid.navigation._handleScrollInChild(targetIndex, isNext, () => {	1✔
210	const targetLayoutIndex = isNext ? 0 : childGrid.childLayoutList.toArray().length - 1;	1!
211	childGrid.navigation._moveToChild(targetIndex, visibleColIndex, isNext, targetLayoutIndex, cb);	1✔
212	});
213	return;	1✔
214	}
215
216	const childGridNav = childGrid.navigation;	15✔
217	this.clearActivation();	15✔
218	const lastVisibleIndex = childGridNav.lastColumnIndex;	15✔
219	const columnIndex = visibleColIndex <= lastVisibleIndex ? visibleColIndex : lastVisibleIndex;	15✔
220	childGridNav.activeNode = { row: targetIndex, column: columnIndex};	15✔
221	childGrid.tbody.nativeElement.focus({preventScroll: true});	15✔
222	this._pendingNavigation = false;	15✔
223	childGrid.navigation._handleScrollInChild(targetIndex, isNext, () => {	15✔
224	childGrid.navigateTo(targetIndex, columnIndex, cb);	15✔
225	});
226	}
227
228	/**
229	* Moves navigation back to parent grid.
230	*
231	* @param rowIndex
232	*/
233	protected _moveToParent(isNext: boolean, columnIndex, cb?) {
234	const indexInParent = this.grid.childRow.index;	6✔
235	const hasNextTarget = this.hasNextTarget(this.grid.parent, indexInParent, isNext);	6✔
236	if (!hasNextTarget) {	6!
237	return;	×
238	}
239	this.clearActivation();	6✔
240	const targetRowIndex = isNext ? indexInParent + 1 : indexInParent - 1;	6✔
241	const lastVisibleIndex = this.grid.parent.navigation.lastColumnIndex;	6✔
242	const nextColumnIndex = columnIndex <= lastVisibleIndex ? columnIndex : lastVisibleIndex;	6!
243	this._pendingNavigation = true;	6✔
244	const cbFunc = (args) => {	6✔
245	this._pendingNavigation = false;	6✔
246	cb(args);	6✔
247	args.target.grid.tbody.nativeElement.focus();	6✔
248	};
249	this.grid.parent.navigation.navigateInBody(targetRowIndex, nextColumnIndex, cbFunc);	6✔
250	}
251
252	/**
253	* Gets information on the row position relative to the root grid view port.
254	* Returns whether the row is in view and its offset.
255	*
256	* @param rowObj
257	* @param isNext
258	*/
259	protected getPositionInfo(row: RowType, isNext: boolean) {
260	// XXX: Fix type
261	let rowElem = row.nativeElement;	31✔
262	if ((row as any).layout) {	31✔
263	const childLayoutKeys = this.grid.childLayoutKeys;	1✔
264	const riKey = isNext ? childLayoutKeys[0] : childLayoutKeys[childLayoutKeys.length - 1];	1!
265	const pathSegment: IPathSegment = {	1✔
266	rowID: row.data.rowID, rowKey: row.data.rowID,
267	rowIslandKey: riKey
268	};
269	const childGrid = this.grid.gridAPI.getChildGrid([pathSegment]);	1✔
270	rowElem = childGrid.tfoot.nativeElement;	1✔
271	}
272	const gridBottom = this._getMinBottom(this.grid);	31✔
273	const diffBottom =
274	rowElem.getBoundingClientRect().bottom - gridBottom;	31✔
275	const gridTop = this._getMaxTop(this.grid);	31✔
276	const diffTop = rowElem.getBoundingClientRect().bottom -	31✔
277	rowElem.offsetHeight - gridTop;
278	// Adding Math.Round because Chrome has some inconsistencies when the page is zoomed
279	const isInView = isNext ? Math.round(diffBottom) <= 0 : Math.round(diffTop) >= 0;	31✔
280	const calcOffset = isNext ? diffBottom : diffTop;	31✔
281
282	return { inView: isInView, offset: calcOffset };	31✔
283	}
284
285	/**
286	* Gets closest element by its tag name.
287	*
288	* @param sourceElem The element from which to start the search.
289	* @param targetTag The target element tag name, for which to search.
290	*/
291	protected getClosestElemByTag(sourceElem, targetTag) {
292	let result = sourceElem;	47✔
293	while (result !== null && result.nodeType === 1) {	47✔
294	if (result.tagName.toLowerCase() === targetTag.toLowerCase()) {	181✔
295	return result;	47✔
296	}
297	result = result.parentNode;	134✔
298	}
299	return null;	×
300	}
301
302	private clearActivation() {
303	// clear if previous activation exists.
304	if (this.activeNode && Object.keys(this.activeNode).length) {	521✔
305	this.activeNode = Object.assign({} as IActiveNode);	46✔
306	}
307	}
308
309	private hasNextTarget(grid: GridType, index: number, isNext: boolean) {
310	const targetRowIndex = isNext ? index + 1 : index - 1;	6✔
311	const hasTargetRecord = !!grid.dataView[targetRowIndex];	6✔
312	if (hasTargetRecord) {	6!
313	return true;	6✔
314	} else {
315	let hasTargetRecordInParent = false;	×
316	if (grid.parent) {	×
317	const indexInParent = grid.childRow.index;	×
318	hasTargetRecordInParent = this.hasNextTarget(grid.parent, indexInParent, isNext);	×
319	}
320	return hasTargetRecordInParent;	×
321	}
322	}
323
324	/**
325	* Gets the max top view in the current grid hierarchy.
326	*
327	* @param grid
328	*/
329	private _getMaxTop(grid) {
330	let currGrid = grid;	31✔
331	let top = currGrid.tbody.nativeElement.getBoundingClientRect().top;	31✔
332	while (currGrid.parent) {	31✔
333	currGrid = currGrid.parent;	34✔
334	const pinnedRowsHeight = currGrid.hasPinnedRecords && currGrid.isRowPinningToTop ? currGrid.pinnedRowHeight : 0;	34!
335	top = Math.max(top, currGrid.tbody.nativeElement.getBoundingClientRect().top + pinnedRowsHeight);	34✔
336	}
337	return top;	31✔
338	}
339
340	/**
341	* Gets the min bottom view in the current grid hierarchy.
342	*
343	* @param grid
344	*/
345	private _getMinBottom(grid) {
346	let currGrid = grid;	31✔
347	let bottom = currGrid.tbody.nativeElement.getBoundingClientRect().bottom;	31✔
348	while (currGrid.parent) {	31✔
349	currGrid = currGrid.parent;	34✔
350	const pinnedRowsHeight = currGrid.hasPinnedRecords && !currGrid.isRowPinningToTop ? currGrid.pinnedRowHeight : 0;	34!
351	bottom = Math.min(bottom, currGrid.tbody.nativeElement.getBoundingClientRect().bottom - pinnedRowsHeight);	34✔
352	}
353	return bottom;	31✔
354	}
355
356	/**
357	* Finds the next grid that allows scrolling down.
358	*
359	* @param grid The grid from which to begin the search.
360	*/
361	private getNextScrollableDown(grid) {
362	let currGrid = grid.parent;	5✔
363	if (!currGrid) {	5!
364	return { grid, prev: null };	×
365	}
366	let scrollTop = currGrid.verticalScrollContainer.scrollPosition;	5✔
367	let scrollHeight = currGrid.verticalScrollContainer.getScroll().scrollHeight;	5✔
368	let nonScrollable = scrollHeight === 0 \|\|	5✔
369	Math.round(scrollTop + currGrid.verticalScrollContainer.igxForContainerSize) === scrollHeight;
370	let prev = grid;	5✔
371	while (nonScrollable && currGrid.parent !== null) {	5!
372	prev = currGrid;	×
373	currGrid = currGrid.parent;	×
374	scrollTop = currGrid.verticalScrollContainer.scrollPosition;	×
375	scrollHeight = currGrid.verticalScrollContainer.getScroll().scrollHeight;	×
376	nonScrollable = scrollHeight === 0 \|\|	×
377	Math.round(scrollTop + currGrid.verticalScrollContainer.igxForContainerSize) === scrollHeight;
378	}
379	return { grid: currGrid, prev };	5✔
380	}
381
382	/**
383	* Finds the next grid that allows scrolling up.
384	*
385	* @param grid The grid from which to begin the search.
386	*/
387	private getNextScrollableUp(grid) {
388	let currGrid = grid.parent;	3✔
389	if (!currGrid) {	3!
390	return { grid, prev: null };	×
391	}
392	let nonScrollable = currGrid.verticalScrollContainer.scrollPosition === 0;	3✔
393	let prev = grid;	3✔
394	while (nonScrollable && currGrid.parent !== null) {	3✔
395	prev = currGrid;	1✔
396	currGrid = currGrid.parent;	1✔
397	nonScrollable = currGrid.verticalScrollContainer.scrollPosition === 0;	1✔
398	}
399	return { grid: currGrid, prev };	3✔
400	}
401	}

IgniteUI / igniteui-angular / 11794105037

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