mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-28 19:03:14 +01:00
2bbac91254
- Fix ID / tag could be doubled by selecting the same tree node multiple times - Fix global categories had their marker escaped
563 lines
16 KiB
TypeScript
563 lines
16 KiB
TypeScript
import {html, LitElement, nothing} from "lit";
|
|
import {Et2Tree, TreeItemData} from "./Et2Tree";
|
|
import {Et2WidgetWithSelectMixin} from "../Et2Select/Et2WidgetWithSelectMixin";
|
|
import {property} from "lit/decorators/property.js";
|
|
import {classMap} from "lit/directives/class-map.js";
|
|
import {state} from "lit/decorators/state.js";
|
|
import {HasSlotController} from "../Et2Widget/slot";
|
|
import {map} from "lit/directives/map.js";
|
|
import {SlPopup, SlRemoveEvent} from "@shoelace-style/shoelace";
|
|
import shoelace from "../Styles/shoelace";
|
|
import styles from "./Et2TreeDropdown.styles";
|
|
import {Et2Tag} from "../Et2Select/Tag/Et2Tag";
|
|
|
|
/**
|
|
* @summary A tree that is hidden in a dropdown
|
|
*
|
|
* @dependency sl-dropdown
|
|
* @dependency et2-tree
|
|
* @dependency et2-tag
|
|
*
|
|
* @slot label - The input's label. Alternatively, you can use the `label` attribute.
|
|
* @slot help-text - Text that describes how to use the input. Alternatively, you can use the `help-text` attribute.
|
|
*
|
|
* @event change - Emitted when the control's value changes.
|
|
* @event sl-show - Emitted when the suggestion menu opens.
|
|
* @event sl-after-show - Emitted after the suggestion menu opens and all animations are complete.
|
|
* @event sl-hide - Emitted when the suggestion menu closes.
|
|
* @event sl-after-hide - Emitted after the suggestion menu closes and all animations are complete.
|
|
*
|
|
* @csspart form-control - The form control that wraps the label, input, and help text.
|
|
*/
|
|
|
|
export class Et2TreeDropdown extends Et2WidgetWithSelectMixin(LitElement)
|
|
{
|
|
|
|
static get styles()
|
|
{
|
|
return [
|
|
shoelace,
|
|
...super.styles,
|
|
styles
|
|
];
|
|
}
|
|
|
|
/** Placeholder text to show as a hint when the select is empty. */
|
|
@property() placeholder = "";
|
|
|
|
@property({type: Boolean, reflect: true}) multiple = false;
|
|
|
|
/** The component's help text. If you need to display HTML, use the `help-text` slot instead. */
|
|
@property({attribute: 'help-text'}) helpText = "";
|
|
|
|
/**
|
|
* Indicates whether the dropdown is open. You can toggle this attribute to show and hide the tree, or you can
|
|
* use the `show()` and `hide()` methods and this attribute will reflect the open state.
|
|
*/
|
|
@property({type: Boolean, reflect: true}) open = false;
|
|
|
|
@state() searching = false;
|
|
@state() hasFocus = false;
|
|
@state() currentTag : Et2Tag;
|
|
|
|
private get _popup() : SlPopup { return this.shadowRoot.querySelector("sl-popup")}
|
|
private get _tree() : Et2Tree { return this.shadowRoot.querySelector("et2-tree")}
|
|
|
|
private get _search() : HTMLInputElement { return this.shadowRoot.querySelector("#search")}
|
|
|
|
private get _tags() : Et2Tag[] { return Array.from(this.shadowRoot.querySelectorAll("et2-tag"));}
|
|
|
|
protected readonly hasSlotController = new HasSlotController(this, "help-text", "label");
|
|
private __value : string[];
|
|
|
|
protected _searchTimeout : number;
|
|
protected _searchPromise : Promise<TreeItemData[]> = Promise.resolve([]);
|
|
|
|
constructor()
|
|
{
|
|
super();
|
|
this.multiple = false;
|
|
this.__value = [];
|
|
}
|
|
|
|
/** Selected tree leaves */
|
|
@property()
|
|
set value(new_value : string | string[])
|
|
{
|
|
if(typeof new_value === "string")
|
|
{
|
|
new_value = new_value.split(",")
|
|
}
|
|
const oldValue = this.__value;
|
|
// Filter to make sure there are no trailing commas
|
|
this.__value = <string[]>new_value.filter(v => v);
|
|
this.requestUpdate("value", oldValue);
|
|
}
|
|
|
|
get value() : string | string[]
|
|
{
|
|
return this.multiple ? this.__value : (
|
|
this.__value?.length ? this.__value[0] : ""
|
|
);
|
|
}
|
|
|
|
/** Sets focus on the control. */
|
|
focus(options? : FocusOptions)
|
|
{
|
|
this.hasFocus = true;
|
|
// Should not be needed, but not firing the update
|
|
this.requestUpdate("hasFocus");
|
|
|
|
if(this._search)
|
|
{
|
|
this._search.focus(options);
|
|
}
|
|
}
|
|
|
|
/** Removes focus from the control. */
|
|
blur()
|
|
{
|
|
this.open = false;
|
|
this.hasFocus = false;
|
|
this._popup.active = false;
|
|
// Should not be needed, but not firing the update
|
|
this.requestUpdate("open");
|
|
this.requestUpdate("hasFocus");
|
|
this._search.blur();
|
|
|
|
clearTimeout(this._searchTimeout);
|
|
}
|
|
|
|
|
|
/** Shows the tree. */
|
|
async show()
|
|
{
|
|
if(this.open || this.disabled)
|
|
{
|
|
this.open = false;
|
|
this.requestUpdate("open", true);
|
|
return undefined;
|
|
}
|
|
|
|
this.open = true;
|
|
this.requestUpdate("open", false)
|
|
return this.updateComplete
|
|
}
|
|
|
|
/** Hides the tree. */
|
|
async hide()
|
|
{
|
|
if(!this.open || this.disabled)
|
|
{
|
|
return undefined;
|
|
}
|
|
|
|
this.open = false;
|
|
this._popup.active = false;
|
|
this.requestUpdate("open");
|
|
return this.updateComplete
|
|
}
|
|
|
|
private setCurrentTag(tag : Et2Tag)
|
|
{
|
|
this._tags.forEach(t =>
|
|
{
|
|
t.tabIndex = -1;
|
|
if(t.current)
|
|
{
|
|
t.current = false;
|
|
t.requestUpdate();
|
|
}
|
|
});
|
|
this.currentTag = tag;
|
|
if(tag)
|
|
{
|
|
this.currentTag.tabIndex = 0;
|
|
this.currentTag.current = true;
|
|
this.currentTag.requestUpdate();
|
|
this.currentTag.focus();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Keyboard events that the search input did not grab
|
|
* (tags, otion navigation)
|
|
*
|
|
* @param {KeyboardEvent} event
|
|
*/
|
|
handleComboboxKeyDown(event : KeyboardEvent)
|
|
{
|
|
// Navigate between tags
|
|
if(this.currentTag && (["ArrowLeft", "ArrowRight", "Home", "End"].includes(event.key)))
|
|
{
|
|
let nextTagIndex = this._tags.indexOf(this.currentTag);
|
|
const tagCount = this._tags.length
|
|
switch(event.key)
|
|
{
|
|
case 'ArrowLeft':
|
|
nextTagIndex--;
|
|
break;
|
|
case 'ArrowRight':
|
|
nextTagIndex++;
|
|
break;
|
|
case 'Home':
|
|
nextTagIndex = 0;
|
|
break;
|
|
case 'End':
|
|
nextTagIndex = this._tags.length - 1;
|
|
break;
|
|
}
|
|
nextTagIndex = Math.max(0, nextTagIndex);
|
|
if(nextTagIndex < tagCount && this._tags[nextTagIndex])
|
|
{
|
|
this.setCurrentTag(this._tags[nextTagIndex]);
|
|
}
|
|
else
|
|
{
|
|
// Arrow back to search, or got lost
|
|
this._search.focus();
|
|
}
|
|
event.stopPropagation();
|
|
return false;
|
|
}
|
|
// Remove tag
|
|
if(event.target instanceof Et2Tag && ["Delete", "Backspace"].includes(event.key))
|
|
{
|
|
const tags = this._tags;
|
|
let index = tags.indexOf(event.target);
|
|
event.target.dispatchEvent(new CustomEvent('sl-remove', {bubbles: true}));
|
|
index += event.key == "Delete" ? 1 : -1;
|
|
if(index >= 0 && index < tags.length)
|
|
{
|
|
this.setCurrentTag(this._tags[index]);
|
|
}
|
|
else
|
|
{
|
|
this._search.focus();
|
|
}
|
|
}
|
|
}
|
|
|
|
private handleSearchFocus()
|
|
{
|
|
this.hasFocus = true;
|
|
// Should not be needed, but not firing the update
|
|
this.requestUpdate("hasFocus");
|
|
this.show();
|
|
|
|
// Reset tags to not take focus
|
|
this.setCurrentTag(null);
|
|
|
|
this._search.setSelectionRange(this._search.value.length, this._search.value.length);
|
|
}
|
|
|
|
handleSearchKeyDown(event)
|
|
{
|
|
clearTimeout(this._searchTimeout);
|
|
|
|
// Left at beginning goes to tags
|
|
if(this._search.selectionStart == 0 && event.key == "ArrowLeft")
|
|
{
|
|
this.hide();
|
|
this._tags.forEach(t => t.tabIndex = 0);
|
|
if(this._tags.length > 0)
|
|
{
|
|
this.setCurrentTag(this._tags[this._tags.length - 1]);
|
|
}
|
|
event.stopPropagation();
|
|
return;
|
|
}
|
|
// Tab on empty leaves
|
|
if(this._search.value == "" && event.key == "Tab")
|
|
{
|
|
// Propagate, browser will do its thing
|
|
return;
|
|
}
|
|
// Up / Down navigates options
|
|
if(['ArrowDown', 'ArrowUp'].includes(event.key) && this._tree)
|
|
{
|
|
if(!this.open)
|
|
{
|
|
this.show();
|
|
}
|
|
event.stopPropagation();
|
|
this._tree.focus();
|
|
return;
|
|
}
|
|
|
|
// Start search immediately
|
|
else if(event.key == "Enter")
|
|
{
|
|
event.preventDefault();
|
|
this.startSearch();
|
|
return;
|
|
}
|
|
else if(event.key == "Escape")
|
|
{
|
|
this.hide();
|
|
event.stopPropagation();
|
|
return;
|
|
}
|
|
|
|
// Start the search automatically if they have enough letters
|
|
// -1 because we're in keyDown handler, and value is from _before_ this key was pressed
|
|
if(this._search.value.length - 1 > 0)
|
|
{
|
|
this._searchTimeout = window.setTimeout(() => {this.startSearch()}, 500);
|
|
}
|
|
}
|
|
|
|
protected handleLabelClick()
|
|
{
|
|
this._search.focus();
|
|
}
|
|
|
|
handleTagRemove(event : SlRemoveEvent, value : string)
|
|
{
|
|
// Find the tag value and remove it from current value
|
|
let valueArray = this.getValueAsArray();
|
|
const oldValue = valueArray.slice(0);
|
|
const index = valueArray.indexOf(value);
|
|
valueArray.splice(index, 1);
|
|
this.value = valueArray;
|
|
this.requestUpdate("value", oldValue);
|
|
// TODO: Clean up this scope violation
|
|
// sl-tree-item is not getting its selected attribute updated
|
|
Array.from(this._tree._tree.querySelectorAll('sl-tree-item')).forEach(e =>
|
|
{
|
|
if(this.value.includes(e.id))
|
|
{
|
|
e.setAttribute("selected", "");
|
|
}
|
|
else
|
|
{
|
|
e.removeAttribute("selected");
|
|
}
|
|
});
|
|
this._tree.requestUpdate();
|
|
this.updateComplete.then(() =>
|
|
{
|
|
this.dispatchEvent(new Event("change", {bubbles: true}));
|
|
});
|
|
}
|
|
|
|
handleTreeChange(event)
|
|
{
|
|
const oldValue = this.value.slice(0);
|
|
|
|
// For single value, we can just grab selected from the tree. For multiple, we need to manage it.
|
|
if(!this.multiple)
|
|
{
|
|
this.value = event?.detail?.selection?.map(i => i.id) ?? []
|
|
}
|
|
else
|
|
{
|
|
const id = event?.detail?.selection?.map(i => i.id).pop();
|
|
if(id && !this.value.includes(id))
|
|
{
|
|
// Copy so LitElement knows it changed
|
|
this.value = [...this.value, id];
|
|
}
|
|
}
|
|
|
|
this.updateComplete.then(() =>
|
|
{
|
|
this.dispatchEvent(new Event("change", {bubbles: true}));
|
|
});
|
|
if(!this.multiple)
|
|
{
|
|
this.hide();
|
|
}
|
|
}
|
|
|
|
handleTriggerClick()
|
|
{
|
|
this.hasFocus = true;
|
|
if(this.open)
|
|
{
|
|
this._popup.active = false;
|
|
}
|
|
else
|
|
{
|
|
this._popup.active = true;
|
|
}
|
|
this.open = this._popup.active;
|
|
this.requestUpdate("open");
|
|
this.updateComplete.then(() =>
|
|
{
|
|
this._tree.focus();
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Get the icon for the select option
|
|
*
|
|
* @param option
|
|
* @protected
|
|
*/
|
|
protected iconTemplate(option)
|
|
{
|
|
if(!option.icon)
|
|
{
|
|
return html``;
|
|
}
|
|
|
|
return html`
|
|
<et2-image slot="prefix" part="icon" style="width: var(--icon-width)"
|
|
src="${option.icon}"></et2-image>`
|
|
}
|
|
|
|
inputTemplate()
|
|
{
|
|
return html`
|
|
<input id="search" type="text" part="input"
|
|
class="tree-dropdown__search"
|
|
exportparts="base:search__base"
|
|
autocomplete="off"
|
|
?disabled=${this.disabled}
|
|
?readonly=${this.readonly}
|
|
placeholder="${this.hasFocus || this.value.length > 0 || this.disabled || this.readonly ? "" : this.placeholder}"
|
|
tabindex="0"
|
|
@keydown=${this.handleSearchKeyDown}
|
|
@blur=${() => {this.hasFocus = false;}}
|
|
@focus=${this.handleSearchFocus}
|
|
@paste=${this.handlePaste}
|
|
/>
|
|
`;
|
|
}
|
|
|
|
tagsTemplate()
|
|
{
|
|
const value = this.getValueAsArray();
|
|
return html`${map(value, (value, index) =>
|
|
{
|
|
// Deal with value that is not in options
|
|
const option = this.optionSearch(value, this.select_options, 'item');
|
|
return option ? this.tagTemplate(option) : nothing;
|
|
})}`;
|
|
}
|
|
|
|
tagTemplate(option : TreeItemData)
|
|
{
|
|
const readonly = (this.readonly || option && typeof (option.disabled) != "undefined" && option.disabled);
|
|
const isEditable = false && !readonly;
|
|
const image = option ? this.iconTemplate(option?.option ?? option) : null;
|
|
const isValid = true;
|
|
|
|
return html`
|
|
<et2-tag
|
|
part="tag"
|
|
exportparts="
|
|
base:tag__base,
|
|
content:tag__content,
|
|
remove-button:tag__remove-button,
|
|
remove-button__base:tag__remove-button__base,
|
|
icon:icon
|
|
"
|
|
class=${"tree_tag " + option.class ?? ""}
|
|
tabindex="-1"
|
|
variant=${isValid ? nothing : "danger"}
|
|
size=${this.size || "medium"}
|
|
?removable=${!readonly}
|
|
?readonly=${readonly}
|
|
?editable=${isEditable}
|
|
.value=${option.id}
|
|
@sl-remove=${(e : SlRemoveEvent) => this.handleTagRemove(e, option.id)}
|
|
@change=${this.handleTagEdit}
|
|
@dblclick=${this._handleDoubleClick}
|
|
@click=${typeof this.onTagClick == "function" ? (e) => this.onTagClick(e, e.target) : nothing}
|
|
>
|
|
${image ?? nothing}
|
|
${(option.label ?? option.text).trim()}
|
|
</et2-tag>
|
|
`;
|
|
}
|
|
|
|
public render()
|
|
{
|
|
const hasLabelSlot = this.hasSlotController.test('label');
|
|
const hasHelpTextSlot = this.hasSlotController.test('help-text');
|
|
const hasLabel = this.label ? true : !!hasLabelSlot;
|
|
const hasHelpText = this.helpText ? true : !!hasHelpTextSlot;
|
|
const isPlaceholderVisible = this.placeholder && this.value.length === 0 && !this.disabled && !this.readonly;
|
|
|
|
return html`
|
|
<div
|
|
part="form-control"
|
|
class=${classMap({
|
|
'form-control': true,
|
|
'form-control--medium': true,
|
|
'form-control--has-label': hasLabel,
|
|
'form-control--has-help-text': hasHelpText
|
|
})}
|
|
>
|
|
<label
|
|
id="label"
|
|
part="form-control-label"
|
|
class="form-control__label"
|
|
aria-hidden=${hasLabel ? 'false' : 'true'}
|
|
>
|
|
<slot name="label">${this.label}</slot>
|
|
</label>
|
|
<div part="form-control-input" class="form-control-input">
|
|
<sl-popup
|
|
class=${classMap({
|
|
"tree-dropdown": true,
|
|
input: true,
|
|
'tree-dropdown--open': this.open,
|
|
'tree-dropdown--disabled': this.disabled,
|
|
'tree-dropdown--readonly': this.readonly,
|
|
'tree-dropdown--focused': this.hasFocus,
|
|
'tree-dropdown--placeholder-visible': isPlaceholderVisible,
|
|
})}
|
|
flip
|
|
shift
|
|
sync="width"
|
|
auto-size="vertical"
|
|
auto-size-padding="10"
|
|
?active=${this.open}
|
|
placement=${this.placement || "bottom"}
|
|
stay-open-on-select
|
|
?disabled=${this.disabled}
|
|
>
|
|
<div
|
|
part="combobox"
|
|
class="tree-dropdown__combobox"
|
|
slot="anchor"
|
|
@keydown=${this.handleComboboxKeyDown}
|
|
>
|
|
<slot part="prefix" name="prefix" class="tree-dropdown__prefix"></slot>
|
|
<div part="tags" class="tree-dropdown__tags">
|
|
${this.tagsTemplate()}
|
|
${this.inputTemplate()}
|
|
</div>
|
|
${this.searching ? html`
|
|
<sl-spinner class="tree-dropdown"></sl-spinner>` : nothing
|
|
}
|
|
<slot part="suffix" name="suffix" class="tree-dropdown__suffix"></slot>
|
|
<slot name="expand-icon" part="expand-icon" class="tree-dropdown__expand-icon"
|
|
@click=${this.handleTriggerClick}>
|
|
<sl-icon library="system" name="chevron-down" aria-hidden="true"></sl-icon>
|
|
</slot>
|
|
</div>
|
|
<et2-tree
|
|
class="tree-dropdown__tree"
|
|
?readonly=${this.readonly}
|
|
?disabled=${this.disabled}
|
|
value=${this.multiple ? nothing : this.value}
|
|
._selectOptions=${this.select_options}
|
|
|
|
@sl-selection-change=${this.handleTreeChange}
|
|
>
|
|
</et2-tree>
|
|
</sl-popup>
|
|
</div>
|
|
`
|
|
}
|
|
}
|
|
|
|
customElements.define("et2-tree-dropdown", Et2TreeDropdown);
|
|
|
|
customElements.define("et2-tree-cat", class extends Et2TreeDropdown
|
|
{
|
|
}); |