add : HDResize form

Signed-off-by: Alexandre Derumier <aderumier@odiso.com>

www/manager/qemu/HDResize.js

+Ext.define('PVE.window.HDResize', {
+    extend: 'Ext.window.Window',
+
+    resizable: false,
+
+    resize_disk: function(disk, size) {
+	var me = this;
+        var params =  { disk: disk, size: '+' + size + 'G' };
+
+	PVE.Utils.API2Request({
+	    params: params,
+	    url: '/nodes/' + me.nodename + '/qemu/' + me.vmid + '/resize',
+	    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: 'displayfield',
+		name: 'disk',
+		value: me.disk,
+		fieldLabel: 'Disk',
+		vtype: 'StorageId',
+		allowBlank: false
+	    },
+
+	];
+
+	me.hdsizesel = Ext.createWidget('numberfield', {
+	    name: 'size',
+	    minValue: 0,
+	    maxValue: 128*1024,
+	    decimalPrecision: 3,
+	    value: '0',
+	    fieldLabel: gettext('Size Increment') + ' (GB)',
+	    allowBlank: false
+	});
+
+	items.push(me.hdsizesel);
+
+	me.formPanel = Ext.create('Ext.form.Panel', {
+	    bodyPadding: 10,
+	    border: false,
+	    fieldDefaults: {
+		labelWidth: 120,
+		anchor: '100%'
+	    },
+	    items: items
+	});
+
+	var form = me.formPanel.getForm();
+
+	var submitBtn;
+
+	me.title = 'Resize Disk';
+	submitBtn = Ext.create('Ext.Button', {
+	    text: gettext('Resize'),
+	    handler: function() {
+		if (form.isValid()) {
+		    var values = form.getValues();
+		    me.resize_disk(me.disk, values.size);
+		}
+	    }
+	});
+
+	Ext.apply(me, {
+	    modal: true,
+	    width: 250,
+	    height: 150,
+	    border: false,
+	    layout: 'fit',
+	    buttons: [ submitBtn ],
+	    items: [ me.formPanel ]
+	});
+
+
+	me.callParent();
+
+	if (!me.disk) {
+	    return;
+	}
+
+    }
+});