ui: add browser settings window

mostly copied from pve (for now; will refactor when i add it to
pmg too (soon)) without the pve specific features like dashboard
storages

contains some eslint fixes comparing to pves window

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>

www/MainView.js

@@ -230,6 +230,11 @@ Ext.define('PBS.MainView', {
 		    margin: '0 5 0 0',
 		    iconCls: 'fa fa-user',
 		    menu: [
+			{
+			    iconCls: 'fa fa-gear',
+			    text: gettext('My Settings'),
+			    handler: () => Ext.create('PBS.window.Settings').show(),
+			},
 			{
 			    iconCls: 'fa fa-language',
 			    text: gettext('Language'),

www/Makefile

@@ -70,6 +70,7 @@ JSSRC=							\
 	window/SyncJobEdit.js				\
 	window/UserEdit.js				\
 	window/UserPassword.js				\
+	window/Settings.js				\
 	window/TokenEdit.js				\
 	window/TfaEdit.js				\
 	window/VerifyJobEdit.js				\

www/window/Settings.js

@@ -0,0 +1,267 @@
+Ext.define('PBS.window.Settings', {
+    extend: 'Ext.window.Window',
+
+    width: '800px',
+    title: gettext('My Settings'),
+    iconCls: 'fa fa-gear',
+    modal: true,
+    bodyPadding: 10,
+    resizable: false,
+
+    buttons: [
+	'->',
+	{
+	    text: gettext('Close'),
+	    handler: function() {
+		this.up('window').close();
+	    },
+	},
+    ],
+
+    layout: 'hbox',
+
+    controller: {
+	xclass: 'Ext.app.ViewController',
+
+	init: function(view) {
+	    let me = this;
+	    let sp = Ext.state.Manager.getProvider();
+
+	    let username = sp.get('login-username') || Proxmox.Utils.noneText;
+	    me.lookupReference('savedUserName').setValue(Ext.String.htmlEncode(username));
+
+	    let settings = ['fontSize', 'fontFamily', 'letterSpacing', 'lineHeight'];
+	    settings.forEach(function(setting) {
+		let val = localStorage.getItem('pve-xterm-' + setting);
+		if (val !== undefined && val !== null) {
+		    let field = me.lookup(setting);
+		    field.setValue(val);
+		    field.resetOriginalValue();
+		}
+	    });
+	},
+
+	set_button_status: function() {
+	    let me = this;
+
+	    let form = me.lookup('xtermform');
+	    let valid = form.isValid();
+	    let dirty = form.isDirty();
+
+	    let hasvalues = false;
+	    let values = form.getValues();
+	    Ext.Object.eachValue(values, function(value) {
+		if (value) {
+		    hasvalues = true;
+		    return false;
+		}
+		return true;
+	    });
+
+	    me.lookup('xtermsave').setDisabled(!dirty || !valid);
+	    me.lookup('xtermreset').setDisabled(!hasvalues);
+	},
+
+	control: {
+	    '#xtermjs form': {
+		dirtychange: 'set_button_status',
+		validitychange: 'set_button_status',
+	    },
+	    '#xtermjs button': {
+		click: function(button) {
+		    let me = this;
+		    let settings = ['fontSize', 'fontFamily', 'letterSpacing', 'lineHeight'];
+		    settings.forEach(function(setting) {
+			let field = me.lookup(setting);
+			if (button.reference === 'xtermsave') {
+			    let value = field.getValue();
+			    if (value) {
+				localStorage.setItem('pve-xterm-' + setting, value);
+			    } else {
+				localStorage.removeItem('pve-xterm-' + setting);
+			    }
+			} else if (button.reference === 'xtermreset') {
+			    field.setValue(undefined);
+			    localStorage.removeItem('pve-xterm-' + setting);
+			}
+			field.resetOriginalValue();
+		    });
+		    me.set_button_status();
+		},
+	    },
+	    'button[name=reset]': {
+		click: function() {
+		    let blacklist = ['login-username'];
+		    let sp = Ext.state.Manager.getProvider();
+		    for (const state of Object.values(sp.state)) {
+			if (blacklist.indexOf(state) !== -1) {
+			    continue;
+			}
+
+			sp.clear(state);
+		    }
+
+		    window.location.reload();
+		},
+	    },
+	    'button[name=clear-username]': {
+		click: function() {
+		    let me = this;
+		    let usernamefield = me.lookupReference('savedUserName');
+		    let sp = Ext.state.Manager.getProvider();
+
+		    usernamefield.setValue(Proxmox.Utils.noneText);
+		    sp.clear('login-username');
+		},
+	    },
+	},
+    },
+
+    items: [{
+	xtype: 'fieldset',
+	flex: 1,
+	title: gettext('Webinterface Settings'),
+	margin: '5',
+	layout: {
+	    type: 'vbox',
+	    align: 'left',
+	},
+	defaults: {
+	    width: '100%',
+	    margin: '0 0 10 0',
+	},
+	items: [
+	    {
+		xtype: 'container',
+		layout: 'hbox',
+		items: [
+		    {
+			xtype: 'displayfield',
+			fieldLabel: gettext('Saved User Name') + ':',
+			labelWidth: 150,
+			stateId: 'login-username',
+			reference: 'savedUserName',
+			flex: 1,
+			value: '',
+		    },
+		    {
+			xtype: 'button',
+			cls: 'x-btn-default-toolbar-small proxmox-inline-button',
+			text: gettext('Reset'),
+			name: 'clear-username',
+		    },
+		],
+	    },
+	    {
+		xtype: 'box',
+		autoEl: { tag: 'hr' },
+	    },
+	    {
+		xtype: 'container',
+		layout: 'hbox',
+		items: [
+		    {
+			xtype: 'displayfield',
+			fieldLabel: gettext('Layout') + ':',
+			flex: 1,
+		    },
+		    {
+			xtype: 'button',
+			cls: 'x-btn-default-toolbar-small proxmox-inline-button',
+			text: gettext('Reset'),
+			tooltip: gettext('Reset all layout changes (for example, column widths)'),
+			name: 'reset',
+		    },
+		],
+	    },
+	],
+    },
+    {
+	xtype: 'container',
+	layout: 'vbox',
+	flex: 1,
+	margin: '5',
+	defaults: {
+	    width: '100%',
+	    // right margin ensures that the right border of the fieldsets
+	    // is shown
+	    margin: '0 2 10 0',
+	},
+	items: [
+	    {
+		xtype: 'fieldset',
+		itemId: 'xtermjs',
+		title: gettext('xterm.js Settings'),
+		items: [{
+		    xtype: 'form',
+		    reference: 'xtermform',
+		    border: false,
+		    layout: {
+			type: 'vbox',
+			algin: 'left',
+		    },
+		    defaults: {
+			width: '100%',
+			margin: '0 0 10 0',
+		    },
+		    items: [
+			{
+			    xtype: 'textfield',
+			    name: 'fontFamily',
+			    reference: 'fontFamily',
+			    emptyText: Proxmox.Utils.defaultText,
+			    fieldLabel: gettext('Font-Family'),
+			},
+			{
+			    xtype: 'proxmoxintegerfield',
+			    emptyText: Proxmox.Utils.defaultText,
+			    name: 'fontSize',
+			    reference: 'fontSize',
+			    minValue: 1,
+			    fieldLabel: gettext('Font-Size'),
+			},
+			{
+			    xtype: 'numberfield',
+			    name: 'letterSpacing',
+			    reference: 'letterSpacing',
+			    emptyText: Proxmox.Utils.defaultText,
+			    fieldLabel: gettext('Letter Spacing'),
+			},
+			{
+			    xtype: 'numberfield',
+			    name: 'lineHeight',
+			    minValue: 0.1,
+			    reference: 'lineHeight',
+			    emptyText: Proxmox.Utils.defaultText,
+			    fieldLabel: gettext('Line Height'),
+			},
+			{
+			    xtype: 'container',
+			    layout: {
+				type: 'hbox',
+				pack: 'end',
+			    },
+			    defaults: {
+				margin: '0 0 0 5',
+			    },
+			    items: [
+				{
+				    xtype: 'button',
+				    reference: 'xtermreset',
+				    disabled: true,
+				    text: gettext('Reset'),
+				},
+				{
+				    xtype: 'button',
+				    reference: 'xtermsave',
+				    disabled: true,
+				    text: gettext('Save'),
+				},
+			    ],
+			},
+		    ],
+		}],
+	    },
+	],
+    }],
+});