ui: tape: improve tape-erase and add it to library view

refactor erase window, limit drives to changer if given

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

www/tape/window/Erase.js

@@ -0,0 +1,51 @@
+Ext.define('PBS.TapeManagement.EraseWindow', {
+    extend: 'Proxmox.window.Edit',
+    mixins: ['Proxmox.Mixin.CBind'],
+
+
+    changer: undefined,
+    label: undefined,
+
+    cbindData: function(config) {
+	let me = this;
+	return {};
+    },
+
+    title: gettext('Erase'),
+    url: `/api2/extjs/tape/drive`,
+    showProgress: true,
+    submitUrl: function(url, values) {
+	let drive = values.drive;
+	delete values.drive;
+	return `${url}/${drive}/erase-media`;
+    },
+
+    method: 'POST',
+    items: [
+	{
+	    xtype: 'displayfield',
+	    cls: 'pmx-hint',
+	    value: gettext('Make sure to insert the tape into the selected drive.'),
+	    cbind: {
+		hidden: '{changer}',
+	    },
+	},
+	{
+	    xtype: 'displayfield',
+	    name: 'label-text',
+	    submitValue: true,
+	    fieldLabel: gettext('Media'),
+	    cbind: {
+		value: '{label}',
+	    },
+	},
+	{
+	    xtype: 'pbsDriveSelector',
+	    fieldLabel: gettext('Drive'),
+	    name: 'drive',
+	    cbind: {
+		changer: '{changer}',
+	    },
+	},
+    ],
+});