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* #6674 fix hiding and moving columns in parallel * #6674 add keyboard event handling * #6674 fix the first column hover handler
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,163 @@ | ||
| /* | ||
| * Copyright 2018 TWO SIGMA OPEN SOURCE, LLC | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| import {BeakerxDataGrid} from "./BeakerxDataGrid"; | ||
| import DataGridColumn from "./column/DataGridColumn"; | ||
| import {HIGHLIGHTER_TYPE} from "./interface/IHighlighterState"; | ||
| import {DataGridHelpers} from "./dataGridHelpers"; | ||
| import disableKeyboardManager = DataGridHelpers.disableKeyboardManager; | ||
| import enableKeyboardManager = DataGridHelpers.enableKeyboardManager; | ||
|
|
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| export default class EventManager { | ||
| dataGrid: BeakerxDataGrid; | ||
|
|
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| constructor(dataGrid: BeakerxDataGrid) { | ||
| this.dataGrid = dataGrid; | ||
| this.handleKeyDown = this.handleKeyDown.bind(this); | ||
| this.handleMouseOut = this.handleMouseOut.bind(this); | ||
| this.handleMouseOut = this.handleMouseOut.bind(this); | ||
|
|
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| this.dataGrid.node.removeEventListener('mouseout', this.handleMouseOut); | ||
| this.dataGrid.node.addEventListener('mouseout', this.handleMouseOut); | ||
| document.removeEventListener('keydown', this.handleKeyDown); | ||
| document.addEventListener('keydown', this.handleKeyDown); | ||
| } | ||
|
|
||
| handleEvent(event: Event, parentHandler: Function): void { | ||
| switch (event.type) { | ||
| case 'mousemove': | ||
| this.handleHeaderCellHover(event as MouseEvent); | ||
| break; | ||
| case 'mousedown': | ||
| this.handleMouseDown(event as MouseEvent); | ||
| break; | ||
| case 'wheel': | ||
| this.handleMouseWheel(event as MouseEvent, parentHandler); | ||
| return; | ||
| } | ||
|
|
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| parentHandler.call(this.dataGrid, event); | ||
| } | ||
|
|
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| destroy() { | ||
| document.removeEventListener('keydown', this.handleKeyDown); | ||
| } | ||
|
|
||
| //@todo debounce it | ||
| private handleHeaderCellHover(event: MouseEvent): void { | ||
| if (!this.dataGrid.isOverHeader(event)) { | ||
| this.dataGrid.headerCellHovered.emit(null); | ||
|
|
||
| return; | ||
| } | ||
|
|
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| const data = this.dataGrid.getCellData(event.clientX, event.clientY); | ||
|
|
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| this.dataGrid.headerCellHovered.emit(data); | ||
| } | ||
|
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| private handleMouseDown(event: MouseEvent): void { | ||
| this.dataGrid.focused = true; | ||
| this.dataGrid.node.classList.add('bko-focused'); | ||
| this.handleHeaderClick(event); | ||
| disableKeyboardManager(); | ||
| } | ||
|
|
||
| private handleMouseOut(event: MouseEvent): void { | ||
| this.dataGrid.headerCellHovered.emit(null); | ||
| this.dataGrid.node.classList.remove('bko-focused'); | ||
| this.dataGrid.focused = false; | ||
| enableKeyboardManager(); | ||
| } | ||
|
|
||
| private handleMouseWheel(event: MouseEvent, parentHandler: Function): void { | ||
| if(!this.dataGrid.focused) { | ||
| return; | ||
| } | ||
|
|
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| parentHandler.call(this.dataGrid, event); | ||
| } | ||
|
|
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| private handleHeaderClick(event: MouseEvent): void { | ||
| if (!this.dataGrid.isOverHeader(event)) { | ||
| return; | ||
| } | ||
|
|
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| const data = this.dataGrid.getCellData(event.clientX, event.clientY); | ||
|
|
||
| if (!data) { | ||
| return; | ||
| } | ||
|
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| const column = this.dataGrid.columnManager.columns[data.type][data.column]; | ||
| const destColumn = this.dataGrid.columnManager.getColumnByIndex(data.type, column.getResolvedIndex()); | ||
|
|
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| destColumn.toggleSort(); | ||
| } | ||
|
|
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| private handleKeyDown(event: KeyboardEvent): void { | ||
| if (!this.dataGrid.focused) { | ||
| return; | ||
| } | ||
|
|
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| event.preventDefault(); | ||
| event.stopPropagation(); | ||
|
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| const focusedCell = this.dataGrid.cellFocusManager.focusedCellData; | ||
| const column: DataGridColumn|null = focusedCell && this.dataGrid.columnManager.takeColumnByCell(focusedCell); | ||
| const key = event.keyCode; | ||
| const charCode = String.fromCharCode(key); | ||
|
|
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| if (!charCode) { | ||
| return; | ||
| } | ||
|
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| this.handleHighlighterKeyDown(charCode, column); | ||
| this.handleNumKeyDown(event, charCode, column); | ||
| this.handleArrowKeyDown(event); | ||
| } | ||
|
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||
| private handleHighlighterKeyDown(charCode: string, column: DataGridColumn|null) { | ||
| switch(charCode.toUpperCase()){ | ||
| case 'H': | ||
| column && column.toggleHighlighter(HIGHLIGHTER_TYPE.heatmap); | ||
| break; | ||
| case 'U': | ||
| column && column.toggleHighlighter(HIGHLIGHTER_TYPE.uniqueEntries); | ||
| break; | ||
| } | ||
| } | ||
|
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| private handleArrowKeyDown(event: KeyboardEvent) { | ||
| if (event.keyCode < 37 || event.keyCode > 40) { | ||
| return; | ||
| } | ||
|
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| this.dataGrid.cellFocusManager.setFocusedCellByArrowKey(event.keyCode); | ||
| } | ||
|
|
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| private handleNumKeyDown(event: KeyboardEvent, charCode: string, column: DataGridColumn|null) { | ||
| if (event.keyCode < 48 || event.keyCode > 57) { //numbers 1..9 | ||
| return; | ||
| } | ||
|
|
||
| if (event.shiftKey && column) { | ||
| column.setDataTypePrecission(parseInt(charCode)); | ||
| } else { | ||
| this.dataGrid.columnManager.setColumnsDataTypePrecission(parseInt(charCode)); | ||
| } | ||
| } | ||
| } |
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