Merge 548e2fdc11 into 343ef172d1

dev/Common/Plugins.js

@@ -1,3 +1,4 @@
+import ko from 'ko';
 import { settingsAddViewModel } from 'Screen/AbstractSettings';
 import { SettingsGet } from 'Common/Globals';
 import { AbstractViewPopup } from 'Knoin/AbstractViews';
@@ -15,6 +16,35 @@ rl.pluginRemoteRequest = (callback, action, parameters, timeout) => {
 	rl.app.Remote.request('Plugin' + action, callback, parameters, timeout);
 };
 
+/**
+ * Navigation entries contributed by plugins, rendered in the folder list
+ * toolbar beside Compose and Contacts.
+ * @type {Array}
+ */
+export const pluginNavEntries = ko.observableArray();
+
+/**
+ * Register a navigation entry for a screen a plugin provides.
+ *
+ * Without this a plugin that adds a screen has to reach into the folder list
+ * template itself, which several already do, each in its own way.
+ *
+ * @param {Object} entry
+ * @param {string} entry.icon  character or glyph shown on the button
+ * @param {string} entry.title tooltip
+ * @param {string=} entry.hash location hash to navigate to
+ * @param {Function=} entry.click called instead of setting the hash
+ */
+rl.addNavEntry = entry => {
+	if (entry && entry.icon) {
+		pluginNavEntries.push({
+			icon: entry.icon,
+			title: entry.title || '',
+			click: entry.click || (() => { hasher.setHash(entry.hash || ''); })
+		});
+	}
+};
+
 /**
  * @param {Function} SettingsViewModelClass
  * @param {string} labelName

dev/View/User/MailBox/FolderList.js

@@ -7,6 +7,7 @@ import { mailBox, settings } from 'Common/Links';
 import { addComputablesTo } from 'External/ko';
 
 import { AppUserStore } from 'Stores/User/App';
+import { pluginNavEntries } from 'Common/Plugins';
 import { SettingsUserStore } from 'Stores/User/Settings';
 import { FolderUserStore } from 'Stores/User/Folder';
 import { MessageUserStore } from 'Stores/User/Message';
@@ -36,6 +37,7 @@ export class MailFolderList extends AbstractViewLeft {
 		this.moveAction = moveAction;
 
 		this.allowContacts = AppUserStore.allowContacts();
+		this.pluginNavEntries = pluginNavEntries;
 
 		this.foldersFilter = foldersFilter;