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Merge pull request #1 from sulea/feature/merge-columns
The MergeColumns feature
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| <div class="source-column"> | ||
| <span>{{ sourceTitle }}</span> | ||
| <div class="list-container"> | ||
| <div *ngFor="let option of _getSourceOptions()" class="list-item" (click)="_onAddOption(option)"> | ||
| <span>{{ option[labelProperty] }}</span> | ||
| <em class="fa fa-solid fa-chevron-right"></em> | ||
| </div> | ||
| </div> | ||
| </div> | ||
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| <div class="target-column"> | ||
| <span>{{ targetTitle }}</span> | ||
| <div id="target-container" class="list-container" cdkDropList (cdkDropListDropped)="_onMoveOption($event)"> | ||
| <div *ngFor="let option of _value; let first = first; let last = last;" class="list-item" | ||
| (click)="_onRemoveOption(option)" cdkDrag [cdkDragData]="option" [cdkDragDisabled]="disableSort" | ||
| cdkDragBoundary="#target-container"> | ||
| <span> | ||
| <em *ngIf="!disableSort" class="fa fa-solid fa-sort"></em> {{ option[labelProperty] }}</span> | ||
| </div> | ||
| </div> | ||
| </div> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| .app-list-picker { | ||
| display: flex; | ||
| gap: 10px; | ||
|
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| .source-column, | ||
| .target-column { | ||
| display: flex; | ||
| flex-direction: column; | ||
| } | ||
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| .list-container { | ||
| min-width: 200px; | ||
| min-height: 200px; | ||
| max-height: 200px; | ||
| border: 1px #e4e7ea solid; | ||
| flex: 1 1 auto; | ||
| border-radius: 0.2rem; | ||
| overflow-y: scroll; | ||
| } | ||
|
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| .list-container .list-item:not(.cdk-drag-dragging) { | ||
| opacity: 1; | ||
| padding: 0.2rem 0.5rem; | ||
| transition: all 0.2s; | ||
| display: flex; | ||
| align-items: center; | ||
| justify-content: space-between; | ||
| border: 1px var(--white) solid; | ||
| border-radius: 0; | ||
| box-shadow: none; | ||
| border: 1x var(--white) solid; | ||
| background: var(--white); | ||
|
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| em { | ||
| color: var(--gray); | ||
| font-size: 10px; | ||
| } | ||
| } | ||
|
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| .list-container .list-item:not(.cdk-drag-dragging):hover { | ||
| background: var(--light); | ||
| cursor: pointer; | ||
| } | ||
|
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| .list-container .list-item.cdk-drag-placeholder { | ||
| opacity: 0.2; | ||
| } | ||
| } | ||
|
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| .cdk-drag.list-item { | ||
| opacity: 1; | ||
| padding: 0.2rem 0.5rem; | ||
| transition: all 0.1s; | ||
| display: flex; | ||
| align-items: center; | ||
| justify-content: space-between; | ||
| background: var(--light); | ||
| border: 1px var(--gray) solid; | ||
| border-radius: 0.2rem; | ||
| box-shadow: 0px 0px 5px var(--light); | ||
|
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| em { | ||
| color: var(--gray); | ||
| font-size: 10px; | ||
| } | ||
| } |
116 changes: 116 additions & 0 deletions
116
src/app/components/list-picker/list-picker.component.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| import { CdkDragDrop, moveItemInArray } from '@angular/cdk/drag-drop'; | ||
| import { Component, EventEmitter, forwardRef, HostBinding, Input, Output, ViewEncapsulation } from '@angular/core'; | ||
| import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms'; | ||
|
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| /** | ||
| * ListPickerComponent is used to select multiple values from a list of options. | ||
| */ | ||
| @Component({ | ||
| selector: 'app-list-picker', | ||
| templateUrl: './list-picker.component.html', | ||
| styleUrls: ['./list-picker.component.scss'], | ||
| encapsulation: ViewEncapsulation.None, | ||
| providers: [ | ||
| { | ||
| provide: NG_VALUE_ACCESSOR, | ||
| useExisting: forwardRef(() => ListPickerComponent), | ||
| multi: true, | ||
| }, | ||
| ], | ||
| }) | ||
| export class ListPickerComponent<T> implements ControlValueAccessor { | ||
|
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| @HostBinding("class") | ||
| classes = ["app-list-picker"] | ||
|
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| /** | ||
| * Title of the source options | ||
| */ | ||
| @Input() | ||
| sourceTitle = "Source"; | ||
|
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| /** | ||
| * Title of the target options | ||
| */ | ||
| @Input() | ||
| targetTitle = "Target"; | ||
|
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| /** | ||
| * An array of objects to display as the available options. | ||
| */ | ||
| @Input() | ||
| sourceOptions: Array<T> | ||
|
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| /** | ||
| * Name of the label field of an option. | ||
| */ | ||
| @Input() | ||
| labelProperty: keyof T | null; | ||
|
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| /** | ||
| * Number of maximum options that can be selected. | ||
| */ | ||
| @Input() | ||
| selectionLimit = Infinity; | ||
|
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| /** | ||
| * Disable drag and drop sorting | ||
| */ | ||
| @Input() | ||
| disableSort = false; | ||
|
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| /** | ||
| * Callback to invoke when selection limit is reached. | ||
| */ | ||
| @Output() | ||
| selectionLimitReached = new EventEmitter<void>(); | ||
|
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| _value: Array<T> | null; | ||
|
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| _disabled: boolean; | ||
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| _onChange: (value: Array<T>) => void | ||
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| _onTouched: () => void | ||
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| writeValue(value: Array<T>): void { | ||
| this._value = value | ||
| } | ||
|
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| registerOnChange(fn: (value: Array<T>) => void): void { | ||
| this._onChange = fn | ||
| } | ||
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| registerOnTouched(fn: () => void): void { | ||
| this._onTouched = fn | ||
| } | ||
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| setDisabledState?(isDisabled: boolean): void { | ||
| this._disabled = isDisabled; | ||
| } | ||
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| _getSourceOptions = () => { | ||
| return this.sourceOptions?.filter(option => !this._value?.includes(option)); | ||
| } | ||
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| _onAddOption = (option: T) => { | ||
| this._onTouched(); | ||
| if((this._value?.length ?? 0) < this.selectionLimit) { | ||
| this._value = [...this._value ?? [], option]; | ||
| this._onChange(this._value); | ||
| } else { | ||
| this.selectionLimitReached.emit() | ||
| } | ||
| } | ||
|
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| _onRemoveOption = (option: T) => { | ||
| this._value?.splice( this._value?.indexOf(option), 1); | ||
| this._onChange(this._value); | ||
| this._onTouched(); | ||
| } | ||
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| _onMoveOption = (event: CdkDragDrop<T, any>) => { | ||
| moveItemInArray(this._value, event.previousIndex, event.currentIndex); | ||
| } | ||
| } |
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