This modifies the old filter edit window in the following ways:
  - Split content into multiple panels
    - Name and comment in the first tab
    - Match rules in a tree-structure in the second tab
    - Targets to notify in the third tab

Signed-off-by: Lukas Wagner <l.wag...@proxmox.com>
---

Notes:
    The code binding the match rule tree structure to the editable fields
    could definitely be a bit cleaner. I think this is the first time that
    we have used such a pattern, so there there was much experimentation
    needed to get this working.
    I plan to revisit it and clean up a bit later, I wanted to get
    the notification system changes on the list ASAP.

 src/window/NotificationMatcherEdit.js | 867 ++++++++++++++++++++++++--
 1 file changed, 820 insertions(+), 47 deletions(-)

diff --git a/src/window/NotificationMatcherEdit.js 
b/src/window/NotificationMatcherEdit.js
index a014f3e..c6f0726 100644
--- a/src/window/NotificationMatcherEdit.js
+++ b/src/window/NotificationMatcherEdit.js
@@ -1,6 +1,6 @@
-Ext.define('Proxmox.panel.NotificationMatcherEditPanel', {
+Ext.define('Proxmox.panel.NotificationMatcherGeneralPanel', {
     extend: 'Proxmox.panel.InputPanel',
-    xtype: 'pmxNotificationMatcherEditPanel',
+    xtype: 'pmxNotificationMatcherGeneralPanel',
     mixins: ['Proxmox.Mixin.CBind'],
 
     items: [
@@ -15,53 +15,27 @@ Ext.define('Proxmox.panel.NotificationMatcherEditPanel', {
            allowBlank: false,
        },
        {
-           xtype: 'proxmoxKVComboBox',
-           name: 'min-severity',
-           fieldLabel: gettext('Minimum Severity'),
-           value: null,
+           xtype: 'proxmoxtextfield',
+           name: 'comment',
+           fieldLabel: gettext('Comment'),
            cbind: {
                deleteEmpty: '{!isCreate}',
            },
-           comboItems: [
-               ['info', 'info'],
-               ['notice', 'notice'],
-               ['warning', 'warning'],
-               ['error', 'error'],
-           ],
-           triggers: {
-               clear: {
-                   cls: 'pmx-clear-trigger',
-                   weight: -1,
-                   hidden: false,
-                   handler: function() {
-                       this.setValue('');
-                   },
-               },
-           },
-       },
-       {
-           xtype: 'proxmoxcheckbox',
-           fieldLabel: gettext('Invert match'),
-           name: 'invert-match',
-           uncheckedValue: 0,
-           defaultValue: 0,
-           cbind: {
-               deleteDefaultValue: '{!isCreate}',
-           },
        },
+    ],
+});
+
+Ext.define('Proxmox.panel.NotificationMatcherTargetPanel', {
+    extend: 'Proxmox.panel.InputPanel',
+    xtype: 'pmxNotificationMatcherTargetPanel',
+    mixins: ['Proxmox.Mixin.CBind'],
+
+    items: [
        {
            xtype: 'pmxNotificationTargetSelector',
            name: 'target',
            allowBlank: false,
        },
-       {
-           xtype: 'proxmoxtextfield',
-           name: 'comment',
-           fieldLabel: gettext('Comment'),
-           cbind: {
-               deleteEmpty: '{!isCreate}',
-           },
-       },
     ],
 });
 
@@ -74,7 +48,7 @@ Ext.define('Proxmox.window.NotificationMatcherEdit', {
        labelWidth: 120,
     },
 
-    width: 500,
+    width: 700,
 
     initComponent: function() {
        let me = this;
@@ -97,12 +71,38 @@ Ext.define('Proxmox.window.NotificationMatcherEdit', {
        me.subject = gettext('Notification Matcher');
 
        Ext.apply(me, {
-           items: [{
-               name: me.name,
-               xtype: 'pmxNotificationMatcherEditPanel',
-               isCreate: me.isCreate,
-               baseUrl: me.baseUrl,
-           }],
+           bodyPadding: 0,
+           items: [
+               {
+                   xtype: 'tabpanel',
+                   region: 'center',
+                   layout: 'fit',
+                   bodyPadding: 10,
+                   items: [
+                       {
+                           name: me.name,
+                           title: gettext('General'),
+                           xtype: 'pmxNotificationMatcherGeneralPanel',
+                           isCreate: me.isCreate,
+                           baseUrl: me.baseUrl,
+                       },
+                       {
+                           name: me.name,
+                           title: gettext('Match Rules'),
+                           xtype: 'pmxNotificationMatchRulesEditPanel',
+                           isCreate: me.isCreate,
+                           baseUrl: me.baseUrl,
+                       },
+                       {
+                           name: me.name,
+                           title: gettext('Targets to notify'),
+                           xtype: 'pmxNotificationMatcherTargetPanel',
+                           isCreate: me.isCreate,
+                           baseUrl: me.baseUrl,
+                       },
+                   ],
+               },
+           ],
        });
 
        me.callParent();
@@ -252,3 +252,776 @@ Ext.define('Proxmox.form.NotificationTargetSelector', {
     },
 
 });
+
+Ext.define('Proxmox.panel.NotificationRulesEditPanel', {
+    extend: 'Proxmox.panel.InputPanel',
+    xtype: 'pmxNotificationMatchRulesEditPanel',
+    mixins: ['Proxmox.Mixin.CBind'],
+
+    viewModel: {
+       data: {
+           selectedRecord: null,
+           matchFieldType: 'exact',
+           matchFieldField: '',
+           matchFieldValue: '',
+           rootMode: 'all',
+       },
+
+       formulas: {
+           nodeType: {
+               get: function(get) {
+                   let record = get('selectedRecord');
+                   return record?.get('type');
+               },
+               set: function(value) {
+                   let me = this;
+                   let record = me.get('selectedRecord');
+
+                   let data;
+
+                   switch (value) {
+                       case 'match-severity':
+                           data = {
+                               value: ['info', 'notice', 'warning', 'error'],
+                           };
+                           break;
+                       case 'match-field':
+                           data = {
+                               type: 'exact',
+                               field: '',
+                               value: '',
+                           };
+                           break;
+                       case 'match-calendar':
+                           data = {
+                               value: '',
+                           };
+                           break;
+                   }
+
+                   let node = {
+                       type: value,
+                       data,
+                   };
+                   record.set(node);
+               },
+           },
+           showMatchingMode: function(get) {
+               let record = get('selectedRecord');
+               if (!record) {
+                   return false;
+               }
+               return record.isRoot();
+           },
+           showMatcherType: function(get) {
+               let record = get('selectedRecord');
+               if (!record) {
+                   return false;
+               }
+               return !record.isRoot();
+           },
+           typeIsMatchField: {
+               bind: {
+                   bindTo: '{selectedRecord}',
+                   deep: true,
+               },
+               get: function(record) {
+                   return record?.get('type') === 'match-field';
+               },
+           },
+           typeIsMatchSeverity: {
+               bind: {
+                   bindTo: '{selectedRecord}',
+                   deep: true,
+               },
+               get: function(record) {
+                   return record?.get('type') === 'match-severity';
+               },
+           },
+           typeIsMatchCalendar: {
+               bind: {
+                   bindTo: '{selectedRecord}',
+                   deep: true,
+               },
+               get: function(record) {
+                   return record?.get('type') === 'match-calendar';
+               },
+           },
+           matchFieldType: {
+               bind: {
+                   bindTo: '{selectedRecord}',
+                   deep: true,
+               },
+               set: function(value) {
+                   let me = this;
+                   let record = me.get('selectedRecord');
+                   let currentData = record.get('data');
+                   record.set({
+                       data: {
+                           ...currentData,
+                           type: value,
+                       },
+                   });
+               },
+               get: function(record) {
+                   return record?.get('data')?.type;
+               },
+           },
+           matchFieldField: {
+               bind: {
+                   bindTo: '{selectedRecord}',
+                   deep: true,
+               },
+               set: function(value) {
+                   let me = this;
+                   let record = me.get('selectedRecord');
+                   let currentData = record.get('data');
+
+                   record.set({
+                       data: {
+                           ...currentData,
+                           field: value,
+                       },
+                   });
+               },
+               get: function(record) {
+                   return record?.get('data')?.field;
+               },
+           },
+           matchFieldValue: {
+               bind: {
+                   bindTo: '{selectedRecord}',
+                   deep: true,
+               },
+               set: function(value) {
+                   let me = this;
+                   let record = me.get('selectedRecord');
+                   let currentData = record.get('data');
+                   record.set({
+                       data: {
+                           ...currentData,
+                           value: value,
+                       },
+                   });
+               },
+               get: function(record) {
+                   return record?.get('data')?.value;
+               },
+           },
+           matchSeverityValue: {
+               bind: {
+                   bindTo: '{selectedRecord}',
+                   deep: true,
+               },
+               set: function(value) {
+                   let me = this;
+                   let record = me.get('selectedRecord');
+                   let currentData = record.get('data');
+                   record.set({
+                       data: {
+                           ...currentData,
+                           value: value,
+                       },
+                   });
+               },
+               get: function(record) {
+                   return record?.get('data')?.value;
+               },
+           },
+           matchCalendarValue: {
+               bind: {
+                   bindTo: '{selectedRecord}',
+                   deep: true,
+               },
+               set: function(value) {
+                   let me = this;
+                   let record = me.get('selectedRecord');
+                   let currentData = record.get('data');
+                   record.set({
+                       data: {
+                           ...currentData,
+                           value: value,
+                       },
+                   });
+               },
+               get: function(record) {
+                   return record?.get('data')?.value;
+               },
+           },
+           rootMode: {
+               bind: {
+                   bindTo: '{selectedRecord}',
+                   deep: true,
+               },
+               set: function(value) {
+                   let me = this;
+                   let record = me.get('selectedRecord');
+                   let currentData = record.get('data');
+                   record.set({
+                       data: {
+                           ...currentData,
+                           value,
+                       },
+                   });
+               },
+               get: function(record) {
+                   return record?.get('data')?.value;
+               },
+           },
+           invertMatch: {
+               bind: {
+                   bindTo: '{selectedRecord}',
+                   deep: true,
+               },
+               set: function(value) {
+                   let me = this;
+                   let record = me.get('selectedRecord');
+                   let currentData = record.get('data');
+                   record.set({
+                       data: {
+                           ...currentData,
+                           invert: value,
+                       },
+                   });
+               },
+               get: function(record) {
+                   return record?.get('data')?.invert;
+               },
+           },
+       },
+    },
+
+    column1: [
+       {
+           xtype: 'pmxNotificationMatchRuleTree',
+           cbind: {
+               isCreate: '{isCreate}',
+           },
+       },
+    ],
+    column2: [
+       {
+           xtype: 'pmxNotificationMatchRuleSettings',
+       },
+
+    ],
+
+    onGetValues: function(values) {
+       let me = this;
+
+       let deleteArrayIfEmtpy = (field) => {
+           if (Ext.isArray(values[field])) {
+               if (values[field].length === 0) {
+                   delete values[field];
+                   if (!me.isCreate) {
+                       Proxmox.Utils.assemble_field_data(values, { 'delete': 
field });
+                   }
+               }
+           }
+       };
+       deleteArrayIfEmtpy('match-field');
+       deleteArrayIfEmtpy('match-severity');
+       deleteArrayIfEmtpy('match-calendar');
+
+       return values;
+    },
+});
+
+Ext.define('Proxmox.panel.NotificationMatchRuleTree', {
+    extend: 'Ext.panel.Panel',
+    xtype: 'pmxNotificationMatchRuleTree',
+    mixins: ['Proxmox.Mixin.CBind'],
+    border: false,
+
+    getNodeTextAndIcon: function(type, data) {
+       let text;
+       let iconCls;
+
+       switch (type) {
+           case 'match-severity': {
+               let v = data.value.join(', ');
+               text = Ext.String.format(gettext("Match severity: {0}"), v);
+               iconCls = 'fa fa-exclamation';
+           } break;
+           case 'match-field': {
+               let field = data.field;
+               let value = data.value;
+               text = Ext.String.format(gettext("Match field: {0}={1}"), 
field, value);
+               iconCls = 'fa fa-cube';
+           } break;
+           case 'match-calendar': {
+               let v = data.value;
+               text = Ext.String.format(gettext("Match calendar: {0}"), v);
+               iconCls = 'fa fa-calendar-o';
+           } break;
+           case 'mode':
+               if (data.value === 'all') {
+                   text = gettext("All");
+               } else if (data.value === 'any') {
+                   text = gettext("Any");
+               }
+               if (data.invert) {
+                   text = `!${text}`;
+               }
+               iconCls = 'fa fa-filter';
+
+               break;
+       }
+
+       return [text, iconCls];
+    },
+
+    initComponent: function() {
+       let me = this;
+
+       let treeStore = Ext.create('Ext.data.TreeStore', {
+           root: {
+               expanded: true,
+               expandable: false,
+               text: '',
+               type: 'mode',
+               data: {
+                   value: 'all',
+                   invert: false,
+               },
+               children: [],
+               iconCls: 'fa fa-filter',
+           },
+       });
+
+       let realMatchFields = Ext.create({
+           xtype: 'hiddenfield',
+           setValue: function(value) {
+               this.value = value;
+               this.checkChange();
+           },
+           getValue: function() {
+               return this.value;
+           },
+           getSubmitValue: function() {
+               let value = this.value;
+               if (!value) {
+                   value = [];
+               }
+               return value;
+           },
+           name: 'match-field',
+       });
+
+       let realMatchSeverity = Ext.create({
+           xtype: 'hiddenfield',
+           setValue: function(value) {
+               this.value = value;
+               this.checkChange();
+           },
+           getValue: function() {
+               return this.value;
+           },
+           getSubmitValue: function() {
+               let value = this.value;
+               if (!value) {
+                   value = [];
+               }
+               return value;
+           },
+           name: 'match-severity',
+       });
+
+       let realMode = Ext.create({
+           xtype: 'hiddenfield',
+           name: 'mode',
+           setValue: function(value) {
+               this.value = value;
+               this.checkChange();
+           },
+           getValue: function() {
+               return this.value;
+           },
+           getSubmitValue: function() {
+               let value = this.value;
+               return value;
+           },
+       });
+
+       let realMatchCalendar = Ext.create({
+           xtype: 'hiddenfield',
+           name: 'match-calendar',
+
+           setValue: function(value) {
+               this.value = value;
+               this.checkChange();
+           },
+           getValue: function() {
+               return this.value;
+           },
+           getSubmitValue: function() {
+               let value = this.value;
+               return value;
+           },
+       });
+
+       let realInvertMatch = Ext.create({
+           xtype: 'proxmoxcheckbox',
+           name: 'invert-match',
+           hidden: true,
+           deleteEmpty: !me.isCreate,
+       });
+
+       let storeChanged = function(store) {
+           store.suspendEvent('datachanged');
+
+           let matchFieldStmts = [];
+           let matchSeverityStmts = [];
+           let matchCalendarStmts = [];
+           let modeStmt = 'all';
+           let invertMatchStmt = false;
+
+           store.each(function(model) {
+               let type = model.get('type');
+               let data = model.get('data');
+
+               switch (type) {
+                   case 'match-field':
+                       
matchFieldStmts.push(`${data.type}:${data.field}=${data.value}`);
+                       break;
+                   case 'match-severity':
+                       matchSeverityStmts.push(data.value.join(','));
+                       break;
+                   case 'match-calendar':
+                       matchCalendarStmts.push(data.value);
+                       break;
+                   case 'mode':
+                       modeStmt = data.value;
+                       invertMatchStmt = data.invert;
+                       break;
+               }
+
+               let [text, iconCls] = me.getNodeTextAndIcon(type, data);
+               model.set({
+                   text,
+                   iconCls,
+               });
+           });
+
+           realMatchFields.suspendEvent('change');
+           realMatchFields.setValue(matchFieldStmts);
+           realMatchFields.resumeEvent('change');
+
+           realMatchCalendar.suspendEvent('change');
+           realMatchCalendar.setValue(matchCalendarStmts);
+           realMatchCalendar.resumeEvent('change');
+
+           realMode.suspendEvent('change');
+           realMode.setValue(modeStmt);
+           realMode.resumeEvent('change');
+
+           realInvertMatch.suspendEvent('change');
+           realInvertMatch.setValue(invertMatchStmt);
+           realInvertMatch.resumeEvent('change');
+
+           realMatchSeverity.suspendEvent('change');
+           realMatchSeverity.setValue(matchSeverityStmts);
+           realMatchSeverity.resumeEvent('change');
+
+           store.resumeEvent('datachanged');
+       };
+
+       realMatchFields.addListener('change', function(field, value) {
+           let parseMatchField = function(filter) {
+               let [, type, matchedField, matchedValue] =
+                   
filter.match(/^(?:(regex|exact):)?([A-Za-z0-9_][A-Za-z0-9._-]*)=(.+)$/);
+               if (type === undefined) {
+                   type = "exact";
+               }
+               return {
+                   type: 'match-field',
+                   data: {
+                       type,
+                       field: matchedField,
+                       value: matchedValue,
+                   },
+                   leaf: true,
+               };
+           };
+
+           for (let node of treeStore.queryBy(
+               record => record.get('type') === 'match-field',
+           ).getRange()) {
+               node.remove(true);
+           }
+
+           let records = value.map(parseMatchField);
+
+           let rootNode = treeStore.getRootNode();
+
+           for (let record of records) {
+               rootNode.appendChild(record);
+           }
+       });
+
+       realMatchSeverity.addListener('change', function(field, value) {
+           let parseSeverity = function(severities) {
+               return {
+                   type: 'match-severity',
+                   data: {
+                       value: severities.split(','),
+                   },
+                   leaf: true,
+               };
+           };
+
+           for (let node of treeStore.queryBy(
+               record => record.get('type') === 'match-severity').getRange()) {
+               node.remove(true);
+           }
+
+           let records = value.map(parseSeverity);
+           let rootNode = treeStore.getRootNode();
+
+           for (let record of records) {
+               rootNode.appendChild(record);
+           }
+       });
+
+       realMatchCalendar.addListener('change', function(field, value) {
+           let parseCalendar = function(timespan) {
+               return {
+                   type: 'match-calendar',
+                   data: {
+                       value: timespan,
+                   },
+                   leaf: true,
+               };
+           };
+
+           for (let node of treeStore.queryBy(
+               record => record.get('type') === 'match-calendar').getRange()) {
+               node.remove(true);
+           }
+
+           let records = value.map(parseCalendar);
+           let rootNode = treeStore.getRootNode();
+
+           for (let record of records) {
+               rootNode.appendChild(record);
+           }
+       });
+
+       realMode.addListener('change', function(field, value) {
+           let data = treeStore.getRootNode().get('data');
+           treeStore.getRootNode().set('data', {
+               ...data,
+               value,
+           });
+       });
+
+       realInvertMatch.addListener('change', function(field, value) {
+           let data = treeStore.getRootNode().get('data');
+           treeStore.getRootNode().set('data', {
+               ...data,
+               invert: value,
+           });
+       });
+
+       treeStore.addListener('datachanged', storeChanged);
+
+       let treePanel = Ext.create({
+           xtype: 'treepanel',
+           store: treeStore,
+           minHeight: 300,
+           maxHeight: 300,
+           scrollable: true,
+
+           bind: {
+               selection: '{selectedRecord}',
+           },
+       });
+
+       let addNode = function() {
+           let node = {
+               type: 'match-field',
+               data: {
+                   type: 'exact',
+                   field: '',
+                   value: '',
+               },
+               leaf: true,
+           };
+           treeStore.getRootNode().appendChild(node);
+           treePanel.setSelection(treeStore.getRootNode().lastChild);
+       };
+
+       let deleteNode = function() {
+           let selection = treePanel.getSelection();
+           for (let selected of selection) {
+               if (!selected.isRoot()) {
+                   selected.remove(true);
+               }
+           }
+       };
+
+       Ext.apply(me, {
+           items: [
+               realMatchFields,
+               realMode,
+               realMatchSeverity,
+               realInvertMatch,
+               realMatchCalendar,
+               treePanel,
+               {
+                   xtype: 'button',
+                   margin: '5 5 5 0',
+                   text: gettext('Add'),
+                   iconCls: 'fa fa-plus-circle',
+                   handler: addNode,
+               },
+               {
+                   xtype: 'button',
+                   margin: '5 5 5 0',
+                   text: gettext('Remove'),
+                   iconCls: 'fa fa-minus-circle',
+                   handler: deleteNode,
+               },
+           ],
+       });
+       me.callParent();
+    },
+});
+
+Ext.define('Proxmox.panel.NotificationMatchRuleSettings', {
+    extend: 'Ext.panel.Panel',
+    xtype: 'pmxNotificationMatchRuleSettings',
+    border: false,
+
+    items: [
+       {
+           xtype: 'proxmoxKVComboBox',
+           name: 'mode',
+           fieldLabel: gettext('Match if'),
+           allowBlank: false,
+           isFormField: false,
+
+           comboItems: [
+               ['all', gettext('All rules match')],
+               ['any', gettext('Any rule matches')],
+           ],
+           bind: {
+               hidden: '{!showMatchingMode}',
+               disabled: '{!showMatchingMode}',
+               value: '{rootMode}',
+           },
+       },
+       {
+           xtype: 'proxmoxcheckbox',
+           fieldLabel: gettext('Invert match'),
+           isFormField: false,
+           uncheckedValue: 0,
+           defaultValue: 0,
+           bind: {
+               hidden: '{!showMatchingMode}',
+               disabled: '{!showMatchingMode}',
+               value: '{invertMatch}',
+           },
+
+       },
+       {
+           xtype: 'proxmoxKVComboBox',
+           fieldLabel: gettext('Node type'),
+           isFormField: false,
+           allowBlank: false,
+
+           bind: {
+               value: '{nodeType}',
+               hidden: '{!showMatcherType}',
+               disabled: '{!showMatcherType}',
+           },
+
+           comboItems: [
+               ['match-field', gettext('Match Field')],
+               ['match-severity', gettext('Match Severity')],
+               ['match-calendar', gettext('Match Calendar')],
+           ],
+       },
+       {
+           fieldLabel: 'Match Type',
+           xtype: 'proxmoxKVComboBox',
+           reference: 'type',
+           isFormField: false,
+           allowBlank: false,
+           submitValue: false,
+
+           bind: {
+               hidden: '{!typeIsMatchField}',
+               disabled: '{!typeIsMatchField}',
+               value: '{matchFieldType}',
+           },
+
+           comboItems: [
+               ['exact', gettext('Exact')],
+               ['regex', gettext('Regex')],
+           ],
+       },
+       {
+           fieldLabel: gettext('Field'),
+           xtype: 'textfield',
+           isFormField: false,
+           submitValue: false,
+           bind: {
+               hidden: '{!typeIsMatchField}',
+               disabled: '{!typeIsMatchField}',
+               value: '{matchFieldField}',
+           },
+       },
+       {
+           fieldLabel: gettext('Value'),
+           xtype: 'textfield',
+           isFormField: false,
+           submitValue: false,
+           allowBlank: false,
+           bind: {
+               hidden: '{!typeIsMatchField}',
+               disabled: '{!typeIsMatchField}',
+               value: '{matchFieldValue}',
+           },
+       },
+       {
+           xtype: 'proxmoxKVComboBox',
+           fieldLabel: gettext('Severities to match'),
+           isFormField: false,
+           allowBlank: true,
+           multiSelect: true,
+
+           bind: {
+               value: '{matchSeverityValue}',
+               hidden: '{!typeIsMatchSeverity}',
+               disabled: '{!typeIsMatchSeverity}',
+           },
+
+           comboItems: [
+               ['info', gettext('Info')],
+               ['notice', gettext('Notice')],
+               ['warning', gettext('Warning')],
+               ['error', gettext('Error')],
+           ],
+       },
+       {
+           xtype: 'proxmoxKVComboBox',
+           fieldLabel: gettext('Timespan to match'),
+           isFormField: false,
+           allowBlank: false,
+           editable: true,
+           displayField: 'key',
+
+           bind: {
+               value: '{matchCalendarValue}',
+               hidden: '{!typeIsMatchCalendar}',
+               disabled: '{!typeIsMatchCalender}',
+           },
+
+           comboItems: [
+               ['mon 8-12', ''],
+               ['tue..fri,sun 0:00-23:59', ''],
+           ],
+       },
+    ],
+});
-- 
2.39.2



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