copy form/MemoryField.js from manager to manager5

www/manager5/form/MemoryField.js

+Ext.define('PVE.form.MemoryField', {
+    extend: 'Ext.form.field.Number',
+    alias: 'widget.pveMemoryField',
+
+    allowBlank: false,
+
+    hotplug: false,
+
+    minValue: 32,
+
+    maxValue: 4178944,
+
+    step: 32,
+
+    value: '512', // qm default
+
+    computeUpDown: function(value) {
+	var me = this;
+
+	if (!me.hotplug) {
+	    return { up: value + me.step, down: value - me.step };
+	}
+	
+	var dimm_size = 512;
+	var prev_dimm_size = 0;
+	var min_size = 1024;
+	var current_size = min_size;
+	var value_up = min_size;
+	var value_down = min_size;
+	var value_start = min_size;
+
+	var i, j;
+	for (j = 0; j < 9; j++) {
+	    for (i = 0; i < 32; i++) {
+		if ((value >= current_size) && (value < (current_size + dimm_size))) {
+		    value_start = current_size,
+		    value_up = current_size + dimm_size;
+		    value_down = current_size - ((i === 0) ? prev_dimm_size : dimm_size);
+		}
+		current_size += dimm_size;				
+	    }
+	    prev_dimm_size = dimm_size;
+	    dimm_size = dimm_size*2;
+	}
+
+	return { up: value_up, down: value_down, start: value_start };
+    },
+
+    onSpinUp: function() {
+	var me = this;
+	if (!me.readOnly) {
+	    var res = me.computeUpDown(me.getValue());
+	    me.setValue(Ext.Number.constrain(res.up, me.minValue, me.maxValue));
+	}
+    },
+
+    onSpinDown: function() {
+	var me = this;
+	if (!me.readOnly) {
+	    var res = me.computeUpDown(me.getValue());
+	    me.setValue(Ext.Number.constrain(res.down, me.minValue, me.maxValue));
+	}
+    },
+
+    initComponent: function() {
+        var me = this;
+
+	if (me.hotplug) {
+	    me.minValue = 1024;
+
+	    me.on('blur', function(field) {
+		value = me.getValue();
+		var res = me.computeUpDown(value);
+		if (value === res.start || value === res.up || value === res.down) {
+		    return;
+		}
+		field.setValue(res.up);
+	    });
+	}
+
+        me.callParent();
+    }
+});