WIP on Et2LinkList

api/js/etemplate/Et2Link/Et2Link.ts

@@ -34,13 +34,14 @@ export class Et2Link extends ExposeMixin<Et2Widget>(Et2Widget(LitElement)) imple
 			css`
 			:host {
 				display: block;
+				cursor: pointer;
 			}
 			/** Style based on parent **/
 			:host-context(et2-link-string) {
 				display: inline;
 			}
-			:host-context(et2-link-list) {
-				background-color: green;
+			:host-context(et2-link-string):hover {
+				text-decoration: underline;
 			}
 			`
 		];
@@ -122,8 +123,6 @@ export class Et2Link extends ExposeMixin<Et2Widget>(Et2Widget(LitElement)) imple
 	connectedCallback()
 	{
 		super.connectedCallback();
-
-		this.classList.add(...["et2_clickable", "et2_link"]);
 	}
 
 	render()
@@ -278,6 +277,7 @@ export interface LinkInfo
 	id : string,
 	title? : string,
 
+	link_id? : string;
 	comment? : string
 	icon? : string,
 

api/js/etemplate/Et2Link/Et2LinkList.ts

@@ -0,0 +1,538 @@
+/**
+ * EGroupware eTemplate2 - JS Link list object
+ *
+ * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
+ * @package etemplate
+ * @subpackage api
+ * @link https://www.egroupware.org
+ * @author Nathan Gray
+ * @copyright 2022 Nathan Gray
+ */
+
+
+import {css, html, repeat, TemplateResult} from "@lion/core";
+import {Et2Link, LinkInfo} from "./Et2Link";
+import {egw} from "../../jsapi/egw_global";
+import {Et2LinkString} from "./Et2LinkString";
+import {egwMenu} from "../../egw_action/egw_menu";
+import {Et2Dialog} from "../Et2Dialog/Et2Dialog";
+import {et2_vfsSelect} from "../et2_widget_vfs";
+import {et2_createWidget} from "../et2_core_widget";
+
+/**
+ * Display a list of entries in a comma separated list
+ *
+ * Given an application & entry ID, will query the list of links and display
+ *
+ * @see Et2Link
+ *
+ * To make things easy and consistent for ExposeMixin, we don't want children in the shadow dom, so they are slotted
+ * in.  When rendering we generate a slot for each link, then let browser slot them in using the slot name.
+ *
+ * Templates:
+ * _listTemplate - generates the list
+ * 	_rowTemplate - creates the slots
+ * 	_linkTemplate - generates the content _inside_ each slot
+ * 		_thumbnailTemplate - generates the thumbnail image
+ */
+
+// @ts-ignore TypeScript says there's something wrong with types
+export class Et2LinkList extends Et2LinkString
+{
+
+	static get styles()
+	{
+		return [
+			...super.styles,
+			css`
+			:host {
+				display:flex;
+				flex-direction: column;
+				column-gap: 10px;
+				overflow: hidden;
+			}
+			div {
+				display: flex;
+				gap: 10px;
+			}
+			div:hover {
+				background-color: var(--highlight-background-color);
+			}
+			
+			/* CSS for child elements */
+            ::slotted(*):after {
+            	/* Reset from Et2LinkString */
+            	content: initial;
+            }
+            ::slotted(et2-vfs-mime), ::slotted(et2-image-expose) {
+            	width: 16px;
+            }
+            ::slotted(et2-link) {
+            	flex: 1 1 auto;
+            }
+            ::slotted(.delete_button) {
+            	display: none;
+            	width: 16px;
+            }
+			`
+		];
+	}
+
+
+	static get properties()
+	{
+		return {
+			...super.properties,
+
+			// JS code which is executed when the links change
+			onchange: {type: Function},
+			// Does NOT allow user to enter data, just displays existing data
+			// Disables delete, etc.
+			readonly: {type: Boolean}
+		}
+	}
+
+	constructor()
+	{
+		super();
+		this.readonly = false;
+
+		this._handleRowHover = this._handleRowHover.bind(this);
+		this._handleRowContext = this._handleRowContext.bind(this);
+		this.addEventListener("mouseover", this._handleRowHover);
+		this.addEventListener("mouseout", this._handleRowHover);
+	}
+
+	connectedCallback()
+	{
+		super.connectedCallback();
+		this._createContextMenu();
+	}
+
+	protected _listTemplate()
+	{
+		return html`
+            ${repeat(this._link_list,
+                    (link) => link.app + ":" + link.id,
+                    (link) => this._rowTemplate(link))
+            }`;
+	}
+
+	/**
+	 * Render a list of links inside the list
+	 * These get put inside the shadow dom rather than slotted
+	 *
+	 * @param links
+	 * @protected
+	 */
+	protected _addLinks(links : LinkInfo[])
+	{
+		this._link_list = links;
+		super._addLinks(links);
+		this.requestUpdate();
+
+	}
+
+	/**
+	 * Render one link
+	 *
+	 * @param link
+	 * @returns {TemplateResult}
+	 * @protected
+	 */
+	protected _linkTemplate(link) : TemplateResult
+	{
+		return html`
+            ${this._thumbnailTemplate(link)}
+            <et2-link slot="${this._get_row_id(link)}" app="${link.app}" entry_id="${link.id}"
+                      @contextmenu=${this._handleRowContext}
+                      .value=${link}></et2-link>
+            ${this._deleteButtonTemplate(link)}
+		`;
+	}
+
+	/**
+	 * Render one link
+	 *
+	 * @param link
+	 * @returns {TemplateResult}
+	 * @protected
+	 */
+	protected _rowTemplate(link) : TemplateResult
+	{
+		let hover = () =>
+		{
+			console.log(link);
+			debugger;
+		}
+		return html`
+            <div id="${this._get_row_id(link)}">
+                <slot name="${this._get_row_id(link)}"></slot>
+            </div>`;
+	}
+
+	/**
+	 * Handle show/hide delete button
+	 * @param _ev
+	 * @protected
+	 */
+	protected _handleRowHover(_ev)
+	{
+		// Ignore delete button
+		if(_ev.relatedTarget.classList.contains("delete_button") || _ev.relatedTarget.parentElement.classList.contains("delete_button"))
+		{
+			return;
+		}
+		if(_ev.type == "mouseout")
+		{
+			this.querySelectorAll(".delete_button").forEach(b => b.style.display = "");
+		}
+
+		if(_ev.type == "mouseover" && _ev.target.parentNode == this)
+		{
+			_ev.target.parentNode.querySelector(".delete_button[slot='" + _ev.target.slot + "']").style.display = "initial";
+		}
+	}
+
+	/**
+	 * Build a thumbnail for the link
+	 * @param link
+	 * @returns {TemplateResult}
+	 * @protected
+	 */
+	protected _thumbnailTemplate(link) : TemplateResult
+	{
+		// If we have a mimetype, use a Et2VfsMime
+		// Files have path set in 'icon' property, and mime in 'type'
+		if(link.type && link.icon)
+		{
+			return html`
+                <et2-vfs-mime slot="${this._get_row_id(link)}" ._parent=${this} .value=${Object.assign({
+                    name: link.title,
+                    mime: link.type,
+                    path: link.icon
+                }, link)}></et2-vfs-mime>`;
+		}
+		return html`
+            <et2-image-expose
+                    slot="${this._get_row_id(link)}" ._parent=${this}
+                    href="${link.href}"
+                    src=${this.egw().image(link.icon)}></et2-image-expose>`;
+	}
+
+	/**
+	 * Build the delete button
+	 *
+	 * @param {LinkInfo} link
+	 * @returns {TemplateResult}
+	 * @protected
+	 */
+	protected _deleteButtonTemplate(link : LinkInfo) : TemplateResult
+	{
+		if(this.readonly)
+		{
+			return html``;
+		}
+		return html`
+            <et2-image class="delete_button" slot="${this._get_row_id(link)}" src="delete" ._parent=${this}
+                       .onclick=${() =>
+                       {
+                           this._delete_link(link);
+                       }}
+                       aria-label="${this.egw().lang("Delete")}"
+            >
+            </et2-image>`;
+	}
+
+	/**
+	 * Get an ID for a link
+	 * @param {LinkInfo} link
+	 * @protected
+	 */
+	protected _get_row_id(link : any) : string
+	{
+		return "link_" + (link.dom_id ? link.dom_id : (typeof link.link_id == "string" ? link.link_id.replace(/[:\.]/g, '_') : link.link_id || link.id));
+	}
+
+
+	/**
+	 * Delete a link
+	 * @protected
+	 */
+	protected _delete_link(link : LinkInfo)
+	{
+		let link_element = <HTMLElement>this.querySelector("et2-link[slot='" + this._get_row_id(link) + "']");
+		link_element.classList.add("loading");
+
+		this.dispatchEvent(new CustomEvent("before_delete", {detail: link}));
+		egw.json("EGroupware\\Api\\Etemplate\\Widget\\Link::ajax_delete", [link.link_id]).sendRequest()
+			.then((data) =>
+			{
+				if(data)
+				{
+					this.querySelectorAll("[slot='" + this._get_row_id(link) + "']").forEach(e => e.remove());
+				}
+			});
+
+	}
+
+	/**
+	 * Handle values passed as an array
+	 *
+	 * @param _value
+	 */
+	set value(_value : { to_app : string, to_id : string } | LinkInfo[])
+	{
+		this._link_list = [];
+
+		// Handle case where server passed a list of links that aren't ready yet
+		if(_value && typeof _value == "object")
+		{
+			let list = [];
+			if(!Array.isArray(_value) && _value.to_id && typeof _value.to_id == "object")
+			{
+				list = _value.to_id;
+			}
+			else if(Array.isArray(_value) && _value.length)
+			{
+				list = _value;
+			}
+			if(list.length > 0)
+			{
+				for(let id in list)
+				{
+					let link = list[id];
+					if(link.app)
+					{
+						// Temp IDs can cause problems since the ID includes the file name or :
+						if(link.link_id && typeof link.link_id != 'number')
+						{
+							link.dom_id = 'temp_' + egw.uid();
+						}
+						// Icon should be in registry
+						if(!link.icon)
+						{
+							link.icon = egw.link_get_registry(link.app, 'icon');
+							// No icon, try by mime type - different place for un-saved entries
+							if(link.icon == false && link.id.type)
+							{
+								// Triggers icon by mime type, not thumbnail or app
+								link.type = link.id.type;
+								link.icon = true;
+							}
+						}
+						// Special handling for file - if not existing, we can't ask for title
+						if(typeof link.id == 'object' && !link.title)
+						{
+							link.title = link.id.name || '';
+						}
+						(<LinkInfo[]>this._link_list).push(<LinkInfo>link);
+					}
+				}
+			}
+			else
+			{
+				super.set_value(_value);
+			}
+		}
+	}
+
+	protected _createContextMenu()
+	{
+		// Set up context menu
+		this.context = new egwMenu();
+		this.context.addItem("comment", this.egw().lang("Comment"), "", () =>
+		{
+			let link_id = typeof this.context.data.link_id == 'number' ? this.context.data.link_id : this.context.data.link_id.replace(/[:\.]/g, '_');
+
+			Et2Dialog.show_prompt(
+				function(button, comment)
+				{
+					if(button != Et2Dialog.OK_BUTTON)
+					{
+						return;
+					}
+					this._set_comment(this.context.data, comment);
+				},
+				'', this.egw().lang("Comment"), this.context.data.remark || ''
+			);
+
+		});
+		this.context.addItem("file_info", this.egw().lang("File information"), this.egw().image("edit"), (menu_item) =>
+		{
+			var link_data = this.context.data;
+			if(link_data.app == 'file')
+			{
+				// File info is always the same
+				let url = '/apps/' + link_data.app2 + '/' + link_data.id2 + '/' + decodeURIComponent(link_data.id);
+				if(typeof url == 'string' && url.indexOf('webdav.php'))
+				{
+					// URL is url to file in webdav, so get rid of that part
+					url = url.replace('/webdav.php', '');
+				}
+				this.egw().open(url, "filemanager", "edit");
+			}
+		});
+		this.context.addItem("-", "-");
+		this.context.addItem("save", this.egw().lang("Save as"), this.egw().image('save'), (menu_item) =>
+		{
+			var link_data = this.context.data;
+			// Download file
+			if(link_data.download_url)
+			{
+				let url = link_data.download_url;
+				if(url[0] == '/')
+				{
+					url = egw.link(url);
+				}
+
+				let a = document.createElement('a');
+				if(typeof a.download == "undefined")
+				{
+					window.location.href = url + "?download";
+					return false;
+				}
+
+				// Multiple file download for those that support it
+				a = jQuery(a)
+					.prop('href', url)
+					.prop('download', link_data.title || "")
+					.appendTo(this.getInstanceManager().DOMContainer);
+
+				var evt = document.createEvent('MouseEvent');
+				evt.initMouseEvent('click', true, true, window, 1, 0, 0, 0, 0, false, false, false, false, 0, null);
+				a[0].dispatchEvent(evt);
+				a.remove();
+				return false;
+			}
+
+			this.egw().open(link_data, "", "view", 'download', link_data.target ? link_data.target : link_data.app, link_data.app);
+		});
+		this.context.addItem("zip", this.egw().lang("Save as Zip"), this.egw().image('save_zip'), (menu_item) =>
+		{
+			// Highlight files for nice UI indicating what will be in the zip.
+			// Files have negative IDs.
+			jQuery('[id^="link_-"]', this.list).effect('highlight', {}, 2000);
+
+			// Download ZIP
+			window.location = this.egw().link('/index.php', {
+				menuaction: 'api.EGroupware\\Api\\Etemplate\\Widget\\Link.download_zip',
+				app: this.to_app,
+				id: this.to_id
+			});
+		});
+
+		// Only allow this option if the entry has been saved, and has a real ID
+		if(this.to_id && typeof this.to_id != 'object')
+		{
+			this.context.addItem("copy_to", this.egw().lang("Copy to"), this.egw().image('copy'), (menu_item) =>
+			{
+				// Highlight files for nice UI indicating what will be copied
+				jQuery('[id="link_' + this.context.data.link_id + ']', this.list).effect('highlight', {}, 2000);
+
+				// Get target
+				var select_attrs : any = {
+					mode: "select-dir",
+					button_caption: '',
+					button_icon: 'copy',
+					button_label: egw.lang("copy"),
+					//extra_buttons: [{text: egw.lang("link"),	id:"link", image: "link"}],
+					dialog_title: egw.lang('Copy to'),
+					method: "EGroupware\\Api\\Etemplate\\Widget\\Link::ajax_copy_to",
+					method_id: this.context.data
+				};
+				let vfs_select = <et2_vfsSelect>et2_createWidget("vfs-select", select_attrs, self);
+
+				// No button, just open it
+				vfs_select.button.hide();
+				vfs_select.click(null);
+			});
+		}
+		this.context.addItem("-", "-");
+		this.context.addItem("delete", this.egw().lang("Delete link"), this.egw().image("delete"), (menu_item) =>
+		{
+			var link_id = isNaN(this.context.data.link_id) ? this.context.data : this.context.data.link_id;
+			var row = jQuery('#link_' + (this.context.data.dom_id ? this.context.data.dom_id : this.context.data.link_id), this);
+			Et2Dialog.show_dialog(
+				function(button)
+				{
+					if(button == Et2Dialog.YES_BUTTON)
+					{
+						this._delete_link(link_id, row);
+					}
+				},
+				egw.lang('Delete link?')
+			);
+		});
+
+	}
+
+	protected _handleRowContext(_ev)
+	{
+		let _link_data = Object.assign({app: _ev.target.app, id: _ev.target.id}, _ev.target.dataset);
+		// Comment only available if link_id is there and not readonly
+		this.context.getItem("comment").set_enabled(typeof _link_data.link_id != 'undefined' && !this.readonly);
+		// File info only available for existing files
+		this.context.getItem("file_info").set_enabled(typeof _link_data.id != 'object' && _link_data.app == 'file');
+		this.context.getItem("save").set_enabled(typeof _link_data.id != 'object' && _link_data.app == 'file');
+		// Zip download only offered if there are at least 2 files
+		this.context.getItem("zip").set_enabled(this._link_list.length >= 2);
+		// Show delete item only if the widget is not readonly
+		this.context.getItem("delete").set_enabled(!this.readonly);
+
+		this.context.data = _link_data;
+		this.context.showAt(_ev.pageX, _ev.pageY, true);
+		_ev.preventDefault();
+
+	}
+
+	protected _set_comment(link, comment)
+	{
+		let remark = this.querySelector(".comment[slot='" + this._get_row_id(link) + "']");
+		/* // TODO
+		if(isNaN(link.link_id))	// new entry, not yet stored
+		{
+			remark.text(comment);
+			// Look for a link-to with the same ID, refresh it
+
+			if(link.link_id)
+			{
+				var _widget = link_id.widget || null;
+				self.getRoot().iterateOver(
+					function(widget)
+					{
+						if(widget.id == self.id)
+						{
+							_widget = widget;
+						}
+					},
+					self, et2_link_to
+				);
+				var value = _widget != null ? _widget.getValue() : false;
+				if(_widget && value && value.to_id)
+				{
+					value.to_id[self.context.data.link_id].remark = comment;
+				}
+			}
+			return;
+		}
+
+		 */
+		remark.addClass("loading");
+		egw.json("EGroupware\\Api\\Etemplate\\Widget\\Link::ajax_link_comment",
+			[link.link_id, comment]).sendRequest()
+			.then(() =>
+			{
+				if(remark)
+				{
+					// Append "" to make sure it's a string, not undefined
+					remark.removeClass("loading").text(comment + "");
+					// Update internal data
+					remark.textContent = comment + "";
+				}
+			});
+	}
+}
+
+// @ts-ignore TypeScript says there's something wrong with types
+customElements.define("et2-link-list", Et2LinkList);

api/js/etemplate/Et2Link/Et2LinkString.ts

@@ -83,6 +83,9 @@ export class Et2LinkString extends Et2Widget(LitElement) implements et2_IDetache
 				type: String
 			},
 
+			// Show links that are marked as deleted, being held for purge
+			show_deleted: {type: Boolean},
+
 			/**
 			 * Pass value as an object, will be parsed to set application & entry_id
 			 */
@@ -100,6 +103,7 @@ export class Et2LinkString extends Et2Widget(LitElement) implements et2_IDetache
 	{
 		super();
 		this._link_list = []
+		this.__show_deleted = false;
 	}
 
 
@@ -135,7 +139,7 @@ export class Et2LinkString extends Et2Widget(LitElement) implements et2_IDetache
 		{
 			this._link_list = _value;
 		}
-		this._add_links(this._link_list);
+		this._addLinks(this._link_list);
 		super.requestUpdate();
 	}
 
@@ -184,12 +188,18 @@ export class Et2LinkString extends Et2Widget(LitElement) implements et2_IDetache
 
 	/**
 	 * Render a list of links inside the list
+	 * These get slotted, rather than put inside the shadow dom
+	 *
 	 * @param links
 	 * @protected
 	 */
-	protected _add_links(links : LinkInfo[])
+	protected _addLinks(links : LinkInfo[])
 	{
-		render(html`${repeat(this._link_list, (link) => link.app + ":" + link.id, (link) => this._linkTemplate(link))}`, this);
+		render(html`${repeat(links,
+				(link) => link.app + ":" + link.id,
+				(link) => this._linkTemplate(link))}`,
+			<HTMLElement><unknown>this
+		);
 	}
 
 	/**
@@ -201,14 +211,20 @@ export class Et2LinkString extends Et2Widget(LitElement) implements et2_IDetache
 		let _value = {
 			to_app: this.application,
 			to_id: this.entry_id,
-			only_app: this.only_app
+			only_app: this.only_app,
+			show_deleted: this.show_deleted
 		};
+		if(this._loadingPromise)
+		{
+			// Already waiting
+			return;
+		}
 
-		this.egw().jsonq('EGroupware\\Api\\Etemplate\\Widget\\Link::ajax_link_list', [_value]).then(_value =>
+		this._loadingPromise = this.egw().jsonq('EGroupware\\Api\\Etemplate\\Widget\\Link::ajax_link_list', [_value]).then(_value =>
 		{
 			this._addLinks(_value);
-		});
-		return;
+			this._loadingPromise = null;
+		})
 	}
 
 	getDetachedAttributes(_attrs : string[])

api/js/etemplate/Expose/ExposeMixin.ts

@@ -15,7 +15,7 @@ import {html, LitElement, render} from "@lion/core";
 import {et2_nextmatch} from "../et2_extension_nextmatch";
 import {Et2Dialog} from "../Et2Dialog/Et2Dialog";
 import {ET2_DATAVIEW_STEPSIZE} from "../et2_dataview_controller";
-import {egw,egw_get_file_editor_prefered_mimes} from "../../jsapi/egw_global";
+import {egw, egw_get_file_editor_prefered_mimes} from "../../jsapi/egw_global";
 
 // Minimum data to qualify as an image and not cause errors
 const IMAGE_DEFAULT = {
@@ -435,7 +435,7 @@ export function ExposeMixin<B extends Constructor<LitElement>>(superclass : B)
 			while(nextmatch == null && current)
 			{
 				current = current.getParent();
-				if(typeof current != 'undefined' && current.instanceOf(et2_nextmatch))
+				if(current && typeof current != 'undefined' && current.instanceOf(et2_nextmatch))
 				{
 					nextmatch = current;
 				}
@@ -657,7 +657,7 @@ export function ExposeMixin<B extends Constructor<LitElement>>(superclass : B)
 		private _audio_player(_value)
 		{
 			let button = [
-				{"button_id": 1, "text": egw.lang('close'), id: '1', image: 'cancel', default: true}
+				{"button_id": 1, "label": egw.lang('close'), id: '1', image: 'cancel', default: true}
 			];
 
 			let mediaContent = this.getMedia(_value)[0];

api/js/etemplate/Vfs/Et2VfsMime.ts

@@ -36,7 +36,10 @@ export class Et2VfsMime extends Et2ImageExpose
 			/**
 			 * Mark the file as a link
 			 */
-			symlink: {type: Boolean, reflect: true}
+			symlink: {type: Boolean, reflect: true},
+
+			/** Allow to pass all data */
+			value: {type: Object}
 		}
 	}
 
@@ -46,12 +49,14 @@ export class Et2VfsMime extends Et2ImageExpose
 	static readonly DIR_MIME_TYPE : string = 'httpd/unix-directory';
 	private __mime : string;
 	private __symlink : boolean;
+	private __download_url : string;
 
 	constructor()
 	{
 		super();
 		this.__mime = "";
 		this.__symlink = false;
+		this.__download_url = "";
 	}
 
 	/**
@@ -64,6 +69,7 @@ export class Et2VfsMime extends Et2ImageExpose
 	{
 		return Object.assign(super.exposeValue, {
 			mime: this.mime,
+			download_url: this.__download_url
 		});
 	}
 
@@ -147,6 +153,15 @@ export class Et2VfsMime extends Et2ImageExpose
 
 	set_value(_value : ExposeValue | any)
 	{
+		this.value = _value;
+	}
+
+	set value(_value : ExposeValue | any)
+	{
+		if(!_value)
+		{
+			return;
+		}
 		if(typeof _value !== 'object')
 		{
 			this.egw().debug("warn", "%s only has path, needs array with path & mime", this.id, _value);
@@ -161,6 +176,10 @@ export class Et2VfsMime extends Et2ImageExpose
 		{
 			this.href = _value.path;
 		}
+		if(_value.download_url)
+		{
+			this.__download_url = _value.download_url;
+		}
 		let src = this.egw().mime_icon(_value.mime, _value.path, undefined, _value.mtime);
 		if(src)
 		{

api/js/etemplate/etemplate2.ts

@@ -40,6 +40,9 @@ import './Et2Dialog/Et2Dialog';
 import './Expose/Et2ImageExpose';
 import './Expose/Et2DescriptionExpose';
 import './Et2Image/Et2Image';
+import './Et2Link/Et2Link';
+import './Et2Link/Et2LinkList';
+import './Et2Link/Et2LinkString';
 import './Et2Select/Et2Select';
 import './Et2Select/Et2SelectAccount';
 import './Et2Select/Et2SelectReadonly';

api/templates/default/etemplate2.css

@@ -1235,7 +1235,7 @@ div.et2_link_entry input.ui-autocomplete-input {
     padding-right: 0;
 }
 
-.et2_link {
+.et2_link, et2-link-string > et2-link {
     cursor: pointer;
     color: #003075;
     text-decoration: none;