Get category icons & colors working for select category

Also some refactoring of things to where they should be

api/categories.php

@@ -44,7 +44,9 @@ foreach($categories as $cat)
 	{
 		// Use slightly more specific selector that just class, to allow defaults
 		// if the category has no color
-		$content .= ".egwGridView_scrollarea tr.row_category.cat_{$cat['id']} > td:first-child, .select-cat li.cat_{$cat['id']}, .et2_selectbox ul.chzn-results li.cat_{$cat['id']}, .et2_selectbox ul.chzn-choices li.cat_{$cat['id']}, .nextmatch_header_row .et2_selectbox.select-cat.cat_{$cat['id']} a.chzn-single , et2-select-cat > .cat_{$cat['id']} {border-left-color: {$cat['data']['color']};} .cat_{$cat['id']}.fullline_cat_bg, div.cat_{$cat['id']}, span.cat_{$cat['id']} { background-color: {$cat['data']['color']};} /*{$cat['name']}*/\n";
+		$content .= "/** {$cat['name']} **/\n/*webComponent*/\n";
+		$content .= ":root,:host {--cat-{$cat['id']}-color: {$cat['data']['color']};}, :host.cat_{$cat['id']}, .cat_{$cat['id']} {--category-color: {$cat['data']['color']};} et2-select-cat > .cat_{$cat['id']} {--category-color: {$cat['data']['color']};} \n";
+		$content .= "/*legacy*/\n.egwGridView_scrollarea tr.row_category.cat_{$cat['id']} > td:first-child, .select-cat li.cat_{$cat['id']}, .et2_selectbox ul.chzn-results li.cat_{$cat['id']}, .et2_selectbox ul.chzn-choices li.cat_{$cat['id']}, .nextmatch_header_row .et2_selectbox.select-cat.cat_{$cat['id']} a.chzn-single , .cat_{$cat['id']}.fullline_cat_bg, div.cat_{$cat['id']}, span.cat_{$cat['id']} { background-color: {$cat['data']['color']};}  \n";
 	}
 	if (!empty($cat['data']['icon']))
 	{

api/js/etemplate/Et2Select/Et2Select.ts

@@ -13,10 +13,11 @@ import {StaticOptions} from "./StaticOptions";
 import {Et2widgetWithSelectMixin} from "./Et2WidgetWithSelectMixin";
 import {SelectOption} from "./FindSelectOptions";
 import {Et2InvokerMixin} from "../Et2Url/Et2InvokerMixin";
-import {SlSelect} from "@shoelace-style/shoelace";
+import {SlMenuItem, SlSelect} from "@shoelace-style/shoelace";
 import {egw} from "../../jsapi/egw_global";
 import shoelace from "../Styles/shoelace";
 import {Et2WithSearchMixin} from "./SearchMixin";
+import {Et2Tag} from "./Tag/Et2Tag";
 
 // export Et2WidgetWithSelect which is used as type in other modules
 export class Et2WidgetWithSelect extends Et2widgetWithSelectMixin(SlSelect)
@@ -49,12 +50,33 @@ export class Et2Select extends Et2WithSearchMixin(Et2InvokerMixin(Et2WidgetWithS
 				vertical-align: middle;
 			}
 			
+			/* Get rid of padding before/after options */
+			sl-menu::part(base) {
+				padding: 0px;
+			}
+			
 			/* Avoid double scrollbar if there are a lot of options */
 			.select__menu
 			{
 				max-height: initial;
 			}
 
+			/** multiple=true uses tags for each value **/
+			/* styling for icon inside tag (not option) */
+			.tag_image {
+				margin-right: var(--sl-spacing-x-small);
+			}
+			/* Maximum height + scrollbar on tags (+ other styling) */
+			.select__tags {
+				max-height: 5em;
+				overflow-y: auto;
+				
+				gap: 0.1rem 0.5rem;
+			}
+			/* Keep overflow tag right-aligned.  It's the only sl-tag. */
+			 .select__tags sl-tag {
+				margin-left: auto;
+			}	
 			select:hover {
 				box-shadow: 1px 1px 1px rgb(0 0 0 / 60%);
 			}`
@@ -260,16 +282,48 @@ export class Et2Select extends Et2WithSearchMixin(Et2InvokerMixin(Et2WidgetWithS
 		}
 
 		// propagate multiple to selectbox
-		if (changedProperties.has('multiple'))
+		if(changedProperties.has('multiple'))
 		{
 			// switch the expand button off
-			if (this.multiple)
+			if(this.multiple)
 			{
 				this.expand_multiple_rows = 0;
 			}
 		}
 	}
 
+	/**
+	 * Override this method from SlSelect to stick our own tags in there
+	 */
+	syncItemsFromValue()
+	{
+		if(typeof super.syncItemsFromValue === "function")
+		{
+			super.syncItemsFromValue();
+		}
+
+		// Only applies to multiple
+		if(typeof this.displayTags !== "object" || !this.multiple)
+		{
+			return;
+		}
+
+		let overflow = null;
+		if(this.maxTagsVisible > 0 && this.displayTags.length > this.maxTagsVisible)
+		{
+			overflow = this.displayTags.pop();
+		}
+		const checkedItems = Object.values(this.menuItems).filter(item => this.value.includes(item.value));
+		this.displayTags = checkedItems.map(item => this._createTagNode(item));
+
+		// Re-slice & add overflow tag
+		if(overflow)
+		{
+			this.displayTags = this.displayTags.slice(0, this.maxTagsVisible);
+			this.displayTags.push(overflow);
+		}
+	}
+
 	_emptyLabelTemplate() : TemplateResult
 	{
 		if(!this.empty_label || this.multiple)
@@ -280,18 +334,93 @@ export class Et2Select extends Et2WithSearchMixin(Et2InvokerMixin(Et2WidgetWithS
             <sl-menu-item value="">${this.empty_label}</sl-menu-item>`;
 	}
 
+	/**
+	 * Tag used for rendering options
+	 * Used for finding & filtering options, they're created by the mixed-in class
+	 * @returns {string}
+	 */
+	public get optionTag()
+	{
+		return "sl-menu-item";
+	}
+
+
 	_optionTemplate(option : SelectOption) : TemplateResult
 	{
 		let icon = option.icon ? html`
             <et2-image slot="prefix" part="icon" style="width: var(--icon-width)"
                        src="${option.icon}"></et2-image>` : "";
 
+		// Tag used must match this.optionTag, but you can't use the variable directly
 		return html`
             <sl-menu-item value="${option.value}" title="${option.title}" class="${option.class}">
                 ${icon}
                 ${option.label}
             </sl-menu-item>`;
 	}
+
+	/**
+	 * Tag used for rendering tags when multiple=true
+	 * Used for creating, finding & filtering options.
+	 * @see createTagNode()
+	 * @returns {string}
+	 */
+	public get tagTag()
+	{
+		return "et2-tag";
+	}
+
+	/**
+	 * Customise how tags are rendered.  This overrides what SlSelect
+	 * does in syncItemsFromValue().
+	 * This is a copy+paste from SlSelect.syncItemsFromValue().
+	 *
+	 * @param item
+	 * @protected
+	 */
+	protected _createTagNode(item)
+	{
+		const tag = <Et2Tag>document.createElement(this.tagTag);
+		tag.value = item.value;
+		tag.textContent = this.getItemLabel(item);
+		tag.class = item.classList.value + " search_tag";
+		tag.addEventListener("dblclick", this._handleDoubleClick);
+		tag.addEventListener("click", this.handleTagInteraction);
+		tag.addEventListener("keydown", this.handleTagInteraction);
+		tag.addEventListener("sl-remove", (event) =>
+		{
+			event.stopPropagation();
+			if(!this.disabled)
+			{
+				item.checked = false;
+				this.syncValueFromItems();
+			}
+		});
+		let image = this._createImage(item);
+		if(image)
+		{
+			tag.prepend(image);
+		}
+		return tag;
+	}
+
+	protected _createImage(item)
+	{
+		let image = item.querySelector("et2-image");
+		if(image)
+		{
+			image = image.clone();
+			image.slot = "prefix";
+			image.class = "tag_image";
+			return image;
+		}
+		return "";
+	}
+
+	public get menuItems() : HTMLElement[]
+	{
+		return [...this.querySelectorAll<SlMenuItem>(this.optionTag)];
+	}
 }
 
 customElements.define("et2-select", Et2Select);
@@ -359,9 +488,13 @@ export class Et2SelectCategory extends Et2Select
 		return [
 			...super.styles,
 			css`
-				::slotted(*) {
-					border-left: 3px solid transparent;
-					}
+			/* Category color on options */
+			::slotted(*) {
+				border-left: 3px solid var(--category-color, transparent);
+			}
+			.select--standard .select__control {
+				border-left: 4px solid transparent;
+			}			
 			`
 		]
 	}
@@ -391,6 +524,71 @@ export class Et2SelectCategory extends Et2Select
 
 		this.select_options = so.cat(this);
 	}
+
+	connectedCallback()
+	{
+		super.connectedCallback();
+
+		if(typeof this.application == 'undefined')
+		{
+			this.application =
+				// When the widget is first created, it doesn't have a parent and can't find it's instanceManager
+				(this.getInstanceManager() && this.getInstanceManager().app) ||
+				this.egw().app_name();
+		}
+	}
+
+
+	updated(changedProperties : PropertyValues)
+	{
+		super.updated(changedProperties);
+
+		if(changedProperties.has("value"))
+		{
+			this.doLabelChange()
+		}
+	}
+
+	doLabelChange()
+	{
+		// Update the display label when checked menu item's label changes
+		if(this.multiple)
+		{
+			return;
+		}
+
+		const checkedItem = this.menuItems.find(item => item.value === this.value);
+		this.displayLabel = checkedItem ? checkedItem.textContent : '';
+		this.querySelector("[slot=prefix].tag_image")?.remove();
+		if(checkedItem)
+		{
+			let image = this._createImage(checkedItem)
+			if(image)
+			{
+				this.append(image);
+			}
+			this.dropdown.querySelector(".select__control").style.borderColor =
+				getComputedStyle(checkedItem).getPropertyValue("--category-color") || "transparent";
+		}
+	}
+
+	get tagTag() : string
+	{
+		return "et2-category-tag";
+	}
+
+	/**
+	 * Customise how tags are rendered.  This overrides parent to set application
+	 *
+	 * @param item
+	 * @protected
+	 */
+	protected _createTagNode(item)
+	{
+		let tag = super._createTagNode(item);
+		tag.application = this.application;
+		return tag;
+	}
 }
 
 // @ts-ignore TypeScript is not recognizing that this widget is a LitElement

api/js/etemplate/Et2Select/Et2SelectAccount.ts

@@ -9,7 +9,7 @@
 
 import {Et2Select} from "./Et2Select";
 import {SelectOption} from "./FindSelectOptions";
-import {html} from "@lion/core";
+import {Et2Image} from "../Et2Image/Et2Image";
 
 export type AccountType = 'accounts'|'groups'|'both'|'owngroups';
 
@@ -90,11 +90,11 @@ export class Et2SelectAccount extends Et2Select
 	 * @protected
 	 *
 	 */
-	protected _tagImageTemplate(item)
+	protected _createImage(item) : Et2Image
 	{
-		return html`
-            <et2-image slot="prefix" part="icon"
-                       src="/egroupware/api/avatar.php?account_id=${item.value}&etag=1"></et2-image>`;
+		const image = super._createImage(item);
+		image.src = "/egroupware/api/avatar.php?account_id=" + item.value + "&etag=1";
+		return image;
 	}
 }
 

api/js/etemplate/Et2Select/Et2SelectEmail.ts

@@ -29,6 +29,12 @@ export class Et2SelectEmail extends Et2Select
 			::slotted(sl-icon[slot="suffix"]) {
 				display: none;
 			}
+			
+			/* Hide selected options from the dropdown */
+			::slotted([checked])
+			{
+				display: none;
+			}
 			`
 		];
 	}

api/js/etemplate/Et2Select/SearchMixin.ts

@@ -142,10 +142,6 @@ export const Et2WithSearchMixin = <T extends Constructor<LitElement>>(superclass
 				:host([allowFreeEntries]) ::slotted([slot="suffix"]) {
 					display: none;
 				}
-				/* Get rid of padding before/after options */
-				sl-menu::part(base) {
-					padding: 0px;
-				}
 				/* Make search textbox take full width */
 				::slotted(.search_input), ::slotted(.search_input) input, .search_input, .search_input input {
 					width: 100%;
@@ -195,30 +191,10 @@ export const Et2WithSearchMixin = <T extends Constructor<LitElement>>(superclass
 				::slotted(.no-match) {
 					display: none;
 				}
-				/* Hide selected options from the dropdown */
-				::slotted([checked])
-				{
-					display: none;
-				}
 				/* Different cursor for editable tags */
 				:host([allowfreeentries]) .search_tag::part(base)  {
 					cursor: text;
 				}
-				/* styling for icon inside tag (not option) */
-				.tag_image {
-					margin-right: var(--sl-spacing-x-small);
-				}
-				/* Maximum height + scrollbar on tags (+ other styling) */
-				.select__tags {
-					max-height: 5em;
-					overflow-y: auto;
-					
-    				gap: 0.1rem 0.5rem;
-				}
-				/* Keep overflow tag right-aligned.  It's the only sl-tag. */
-				 .select__tags sl-tag {
-					margin-left: auto;
-				}
 				`
 			]
 		}
@@ -337,7 +313,7 @@ export const Et2WithSearchMixin = <T extends Constructor<LitElement>>(superclass
 
 		protected _searchInputTemplate()
 		{
-			let edit = '';
+			let edit = null;
 			if(this.editModeEnabled)
 			{
 				edit = html`<input id="edit" type="text" part="input"
@@ -385,20 +361,6 @@ export const Et2WithSearchMixin = <T extends Constructor<LitElement>>(superclass
 				   this.querySelector(".search_input");
 		}
 
-		/**
-		 * Tag used for rendering options
-		 * Used for finding & filtering options, they're created by the mixed-in class
-		 * @returns {string}
-		 */
-		public get optionTag()
-		{
-			return "sl-menu-item";
-		}
-
-		protected get menuItems()
-		{
-			return this.querySelectorAll(this.optionTag);
-		}
 
 		/**
 		 * Only local options, excludes server options
@@ -432,7 +394,7 @@ export const Et2WithSearchMixin = <T extends Constructor<LitElement>>(superclass
 			// Overridden to add options if allowFreeEntries=true
 			if(this.allowFreeEntries)
 			{
-				if(typeof this.value == "string" && !Object.values(this.menuItems).find(o => o.value == this.value))
+				if(typeof this.value == "string" && !this.menuItems.find(o => o.value == this.value))
 				{
 					this.createFreeEntry(this.value);
 				}
@@ -440,7 +402,7 @@ export const Et2WithSearchMixin = <T extends Constructor<LitElement>>(superclass
 				{
 					this.value.forEach((e) =>
 					{
-						if(!Object.values(this.menuItems).find(o => o.value == e))
+						if(!this.menuItems.find(o => o.value == e))
 						{
 							this.createFreeEntry(e);
 						}
@@ -856,85 +818,6 @@ export const Et2WithSearchMixin = <T extends Constructor<LitElement>>(superclass
 			this.handleMenuShow();
 		}
 
-		/**
-		 * Override this method from SlSelect to stick our own tags in there
-		 */
-		syncItemsFromValue()
-		{
-			if(typeof super.syncItemsFromValue === "function")
-			{
-				super.syncItemsFromValue();
-			}
-
-			// Only applies to multiple
-			if(typeof this.displayTags !== "object" || !this.multiple)
-			{
-				return;
-			}
-
-			let overflow = null;
-			if(this.maxTagsVisible > 0 && this.displayTags.length > this.maxTagsVisible)
-			{
-				overflow = this.displayTags.pop();
-			}
-			const checkedItems = Object.values(this.menuItems).filter(item => this.value.includes(item.value));
-			this.displayTags = checkedItems.map(item => this._tagTemplate(item));
-
-			// Re-slice & add overflow tag
-			if(overflow)
-			{
-				this.displayTags = this.displayTags.slice(0, this.maxTagsVisible);
-				this.displayTags.push(overflow);
-			}
-		}
-
-
-		/**
-		 * Customise how tags are rendered.  This overrides what SlSelect
-		 * does in syncItemsFromValue().
-		 * This is a copy+paste from SlSelect.syncItemsFromValue().
-		 *
-		 * @param item
-		 * @protected
-		 */
-		protected _tagTemplate(item)
-		{
-			return html`
-                <et2-tag class="${item.classList.value} search_tag"
-                         removable
-                         value="${item.value}"
-                         @dblclick=${this._handleDoubleClick}
-                         @click=${this.handleTagInteraction}
-                         @keydown=${this.handleTagInteraction}
-                         @sl-remove=${(event) =>
-                         {
-                             event.stopPropagation();
-                             if(!this.disabled)
-                             {
-                                 item.checked = false;
-                                 this.syncValueFromItems();
-                             }
-                         }}
-                >
-                    ${this._tagImageTemplate(item)}
-                    ${this.getItemLabel(item)}
-                </et2-tag>
-			`;
-		}
-
-		protected _tagImageTemplate(item)
-		{
-			let image = item.querySelector("et2-image");
-			if(image)
-			{
-				image = image.clone();
-				image.slot = "prefix";
-				image.class = "tag_image";
-				return image;
-			}
-			return "";
-		}
-
 		protected _handleSearchAbort(e)
 		{
 			this._activeControls.classList.remove("active");

api/js/etemplate/Et2Select/Tag/Et2CategoryTag.ts

@@ -0,0 +1,54 @@
+/**
+ * EGroupware eTemplate2 - Category Tag WebComponent
+ *
+ * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
+ * @package api
+ * @link https://www.egroupware.org
+ * @author Nathan Gray
+ */
+import {css, html, TemplateResult} from "@lion/core";
+import shoelace from "../../Styles/shoelace";
+import {Et2Tag} from "./Et2Tag";
+
+/**
+ * Tag is usually used in a Et2CategorySelect with multiple=true, but there's no reason it can't go anywhere
+ */
+export class Et2CategoryTag extends Et2Tag
+{
+	private value : string;
+
+	static get styles()
+	{
+		return [
+			super.styles,
+			shoelace, css`
+			.tag {
+				gap: var(--sl-spacing-2x-small);
+				/* --category-color is passed through in _styleTemplate() */
+				border-left: 5px solid var(--category-color, transparent);
+			}
+		`];
+	}
+
+	constructor(...args : [])
+	{
+		super(...args);
+	}
+
+	/**
+	 * Due to how the scoping / encapulation works, we need to re-assign the category color
+	 * variable here so it can be passed through.  .cat_# {--category-color} is not visible.
+	 *
+	 * @returns {TemplateResult}
+	 * @protected
+	 */
+	protected _styleTemplate() : TemplateResult
+	{
+		let cat_var = "var(--cat-" + this.value + "-color)"
+		// @formatter:off
+		return html`<style>.tag { --category-color: ${cat_var}}</style>`;
+		//@formatter:on
+	}
+}
+
+customElements.define("et2-category-tag", Et2CategoryTag);

api/js/etemplate/Et2Select/Tag/Et2Tag.ts

@@ -8,7 +8,7 @@
  */
 import {Et2Widget} from "../../Et2Widget/Et2Widget";
 import {SlTag} from "@shoelace-style/shoelace";
-import {classMap, css, html} from "@lion/core";
+import {classMap, css, html, TemplateResult} from "@lion/core";
 import shoelace from "../../Styles/shoelace";
 
 /**
@@ -36,15 +36,31 @@ export class Et2Tag extends Et2Widget(SlTag)
 		`];
 	}
 
+	static get properties()
+	{
+		return {
+			...super.properties,
+			value: {type: String, reflect: true}
+		}
+	}
+
 	constructor(...args : [])
 	{
 		super(...args);
+		this.value = "";
 		this.pill = true;
+		this.removable = true;
+	}
+
+	protected _styleTemplate() : TemplateResult
+	{
+		return null;
 	}
 
 	render()
 	{
 		return html`
+            ${this._styleTemplate()}
             <span
                     part="base"
                     class=${classMap({

api/js/etemplate/etemplate2.ts

@@ -54,6 +54,7 @@ import './Et2Select/Et2SelectAccount';
 import './Et2Select/Et2SelectEmail';
 import './Et2Select/Et2SelectReadonly';
 import './Et2Select/Tag/Et2Tag';
+import './Et2Select/Tag/Et2CategoryTag'
 import './Et2Textarea/Et2Textarea';
 import './Et2Textbox/Et2Textbox';
 import './Et2Textbox/Et2TextboxReadonly';