mprove snapshot GUI

www/manager/Makefile

@@ -100,6 +100,7 @@ JSSRC= 				                 	\
 	qemu/StartupEdit.js				\
 	qemu/ScsiHwEdit.js				\
 	qemu/Options.js					\
+	qemu/Snapshot.js				\
 	qemu/SnapshotTree.js				\
 	qemu/Config.js					\
 	qemu/CreateWizard.js				\

www/manager/qemu/Snapshot.js

@@ -0,0 +1,145 @@
+Ext.define('PVE.window.Snapshot', {
+    extend: 'Ext.window.Window',
+
+    resizable: false,
+
+    take_snapshot: function(snapname, descr, vmstate) {
+	var me = this;
+	var params = { snapname: snapname, vmstate: vmstate ? 1 : 0 };
+	if (descr) {
+	    params.description = descr;
+	}
+	PVE.Utils.API2Request({
+	    params: params,
+	    url: '/nodes/' + me.nodename + '/qemu/' + me.vmid + "/snapshot",
+	    waitMsgTarget: me,
+	    method: 'POST',
+	    failure: function(response, opts) {
+		Ext.Msg.alert('Error', response.htmlStatus);
+	    },
+	    success: function(response, options) {
+		var upid = response.result.data;
+
+		var win = Ext.create('PVE.window.TaskViewer', { 
+		    upid: upid
+		});
+		win.show();
+		me.close();
+	    }
+	});
+    },
+
+    update_snapshot: function(snapname, descr) {
+	var me = this;
+	PVE.Utils.API2Request({
+	    params: { description: descr },
+	    url: '/nodes/' + me.nodename + '/qemu/' + me.vmid + "/snapshot/" + 
+		snapname + '/config',
+	    waitMsgTarget: me,
+	    method: 'PUT',
+	    failure: function(response, opts) {
+		Ext.Msg.alert('Error', response.htmlStatus);
+	    },
+	    success: function(response, options) {
+		me.close();
+	    }
+	});
+    },
+
+    initComponent : function() {
+	var me = this;
+
+	if (!me.nodename) {
+	    throw "no node name specified";
+	}
+
+	if (!me.vmid) {
+	    throw "no VM ID specified";
+	}
+
+	var items = [
+	    {
+		xtype: me.snapname ? 'displayfield' : 'textfield',
+		name: 'snapname',
+		value: me.snapname,
+		fieldLabel: 'Snapshot Name',
+		allowBlank: false
+	    }
+	];
+
+	if (me.snapname) {
+	    items.push({
+		xtype: 'displayfield',
+		name: 'snaptime',
+		value: new Date(me.snaptime),
+		fieldLabel: 'Timestamp'
+	    });
+	} else {
+	    items.push({
+		xtype: 'pvecheckbox',
+		name: 'vmstate',
+		uncheckedValue: 0,
+		defaultValue: 0,
+		checked: 1,
+		fieldLabel: 'Include State'
+	    });
+	}
+
+	items.push({
+	    xtype: 'textareafield',
+	    grow: true,
+	    name: 'description',
+	    value: me.description,
+	    fieldLabel: 'Description'
+	});
+
+	me.formPanel = Ext.create('Ext.form.Panel', {
+	    bodyPadding: 10,
+	    border: false,
+	    fieldDefaults: {
+		labelWidth: 100,
+		anchor: '100%'
+	    },
+	    items: items
+	});
+
+	var form = me.formPanel.getForm();
+
+	var submitBtn;
+
+	if (me.snapname) {
+	    me.title = "Edit Snapshot '" + me.snapname + " of VM " + me.vmid;
+	    submitBtn = Ext.create('Ext.Button', {
+		text: gettext('Update'),
+		handler: function() {
+		    if (form.isValid()) {
+			var values = form.getValues();
+			me.update_snapshot(me.snapname, values.description);
+		    }
+		}
+	    });
+	} else {
+	    me.title = "Take Snapshot of VM " + me.vmid;
+	    submitBtn = Ext.create('Ext.Button', {
+		text: 'Take Snapshot',
+		handler: function() {
+		    if (form.isValid()) {
+			var values = form.getValues();
+			me.take_snapshot(values.snapname, values.description, values.vmstate);
+		    }
+		}
+	    });
+	}
+
+	Ext.apply(me, {
+	    width: 450,
+	    modal: true,
+	    layout: 'auto',
+	    border: false,
+	    items: [ me.formPanel ],
+	    buttons: [ submitBtn ]
+	});
+
+	me.callParent();
+    }
+});

www/manager/qemu/SnapshotTree.js

@@ -58,14 +58,39 @@ Ext.define('PVE.qemu.SnapshotTree', {
 
 	var sm = Ext.create('Ext.selection.RowModel', {});
 
-	me.rollbackBtn = new PVE.button.Button({
+	var valid_snapshot = function(record) {
+	    return record && record.data && record.data.name &&
+		record.data.name !== '__current';
+	};
+
+	var run_editor = function() {
+	    var rec = sm.getSelection()[0];
+	    if (valid_snapshot(rec)) {
+		var win = Ext.create('PVE.window.Snapshot', { 
+		    snapname: rec.data.name,
+		    snaptime: rec.data.snaptime,
+		    description: rec.data.description,
+		    nodename: me.nodename,
+		    vmid: me.vmid
+		});
+		win.show();
+		me.mon(win, 'close', me.reload, me);
+	    }
+	};
+
+	var editBtn = new PVE.button.Button({
+	    text: gettext('Edit'),
+	    disabled: true,
+	    selModel: sm,
+	    enableFn: valid_snapshot,
+	    handler: run_editor
+	});
+
+	var rollbackBtn = new PVE.button.Button({
 	    text: gettext('Rollback'),
 	    disabled: true,
 	    selModel: sm,
-	    enableFn: function(record) { 
-		return record && record.data && record.data.name &&
-		    record.data.name !== '__current';
-	    },
+	    enableFn: valid_snapshot,
 	    handler: function(btn, event) {
 		var rec = sm.getSelection()[0];
 		if (!rec) {
@@ -87,15 +112,12 @@ Ext.define('PVE.qemu.SnapshotTree', {
 	    }
 	});
 
-	me.deleteBtn = new PVE.button.Button({
-	    text: gettext('Delete'),
+	var removeBtn = new PVE.button.Button({
+	    text: gettext('Remove'),
 	    disabled: true,
 	    selModel: sm,
 	    confirmMsg: gettext('Are you sure you want to remove this entry'),
-	    enableFn: function(record) { 
-		return record && record.data && record.data.name &&
-		    record.data.name !== '__current';
-	    },
+	    enableFn: valid_snapshot,
 	    handler: function(btn, event) {
 		var rec = sm.getSelection()[0];
 		if (!rec) {
@@ -117,12 +139,23 @@ Ext.define('PVE.qemu.SnapshotTree', {
 	    }
 	});
 
+	var snapshotBtn = Ext.create('Ext.Button', { 
+	    text: gettext('Take Snapshot'),
+	    handler: function() {
+		var win = Ext.create('PVE.window.Snapshot', { 
+		    nodename: me.nodename,
+		    vmid: me.vmid
+		});
+		win.show();
+	    }
+	});
+
 	Ext.apply(me, {
 	    layout: 'fit',
 	    rootVisible: false,
 	    animate: false,
 	    selModel: sm,
-	    tbar: [ me.rollbackBtn, me.deleteBtn ],
+	    tbar: [ snapshotBtn, rollbackBtn, removeBtn, editBtn ],
 	    fields: [ 
 		'name', 'description', 
 		{ name: 'snaptime', type: 'date', dateFormat: 'timestamp' }
@@ -160,12 +193,15 @@ Ext.define('PVE.qemu.SnapshotTree', {
 			}
 		    }
 		}
-	    ]
+	    ],
+	    columnLines: true, // will work in 4.1?
+	    listeners: {
+		show: me.reload,
+		itemdblclick: run_editor
+	    }
 	});
 
 	me.callParent();
-
-	me.on('show', me.reload);
     }
 });