Implemented version lists.

Further work on this is still needed. Currently there is no sorting or filtering of any kind. In addition,
changes need to be made to fix issues with bad ETags since the current system here is based on MultiMC 4's
version list system before it was fixed.

12 files changed, 352 insertions, 12 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9ae3e784..44e7a735 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -172,6 +172,7 @@ gui/aboutdialog.h
 gui/consolewindow.h
 gui/instancemodel.h
 gui/instancedelegate.h
+gui/versionselectdialog.h
 
 multimc_pragma.h
 
@@ -200,6 +201,7 @@ gui/aboutdialog.cpp
 gui/consolewindow.cpp
 gui/instancemodel.cpp
 gui/instancedelegate.cpp
+gui/versionselectdialog.cpp
 
 java/javautils.cpp
 java/annotations.cpp
@@ -217,6 +219,7 @@ gui/taskdialog.ui
 gui/browserdialog.ui
 gui/aboutdialog.ui
 gui/consolewindow.ui
+gui/versionselectdialog.ui
 )
 
 
diff --git a/gui/mainwindow.cpp b/gui/mainwindow.cpp
index e691c8c4..ca681098 100644
--- a/gui/mainwindow.cpp
+++ b/gui/mainwindow.cpp
@@ -39,6 +39,7 @@
 #include "gui/taskdialog.h"
 #include "gui/browserdialog.h"
 #include "gui/aboutdialog.h"
+#include "gui/versionselectdialog.h"
 
 #include "kcategorizedview.h"
 #include "kcategorydrawer.h"
@@ -260,3 +261,15 @@ void openInDefaultProgram ( QString filename )
 {
 	QDesktopServices::openUrl ( "file:///" + QFileInfo ( filename ).absolutePath() );
 }
+
+void MainWindow::on_actionChangeInstMCVersion_triggered()
+{
+	if (view->selectionModel()->selectedIndexes().count() < 1)
+		return;
+	
+	QModelIndex index = view->selectionModel()->selectedIndexes().at(0);
+	Instance *inst = (Instance *)index.data(InstanceModel::InstancePointerRole).value<void *>();
+	
+	VersionSelectDialog *vselect = new VersionSelectDialog(inst->versionList(), this);
+	vselect->exec();
+}
diff --git a/gui/mainwindow.h b/gui/mainwindow.h
index c2dedf74..53df9f02 100644
--- a/gui/mainwindow.h
+++ b/gui/mainwindow.h
@@ -73,6 +73,8 @@ private slots:
 
     void on_actionMakeDesktopShortcut_triggered();
 	
+	void on_actionChangeInstMCVersion_triggered();
+	
 	void doLogin( QString inst, const QString& errorMsg = "" );
 	
 	
diff --git a/gui/versionselectdialog.cpp b/gui/versionselectdialog.cpp
new file mode 100644
index 00000000..b55c106c
--- /dev/null
+++ b/gui/versionselectdialog.cpp
@@ -0,0 +1,62 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "versionselectdialog.h"
+#include "ui_versionselectdialog.h"
+
+#include <QHeaderView>
+
+#include <gui/taskdialog.h>
+
+#include <instversionlist.h>
+#include <task.h>
+
+VersionSelectDialog::VersionSelectDialog(InstVersionList *vlist, QWidget *parent) :
+	QDialog(parent),
+	ui(new Ui::VersionSelectDialog)
+{
+	ui->setupUi(this);
+	
+	m_vlist = vlist;
+	ui->listView->setModel(m_vlist);
+	ui->listView->header()->setSectionResizeMode(QHeaderView::ResizeToContents);
+	ui->listView->header()->setSectionResizeMode(0, QHeaderView::Stretch);
+}
+
+VersionSelectDialog::~VersionSelectDialog()
+{
+	delete ui;
+}
+
+int VersionSelectDialog::exec()
+{
+	QDialog::open();
+	if (!m_vlist->isLoaded())
+		loadList();
+	return QDialog::exec();
+}
+
+void VersionSelectDialog::loadList()
+{
+	TaskDialog *taskDlg = new TaskDialog(this);
+	Task *loadTask = m_vlist->getLoadTask();
+	loadTask->setParent(taskDlg);
+	taskDlg->exec(loadTask);
+}
+
+void VersionSelectDialog::on_refreshButton_clicked()
+{
+    loadList();
+}
diff --git a/gui/versionselectdialog.h b/gui/versionselectdialog.h
new file mode 100644
index 00000000..ad28b720
--- /dev/null
+++ b/gui/versionselectdialog.h
@@ -0,0 +1,50 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef VERSIONSELECTDIALOG_H
+#define VERSIONSELECTDIALOG_H
+
+#include <QDialog>
+
+class InstVersionList;
+
+namespace Ui
+{
+class VersionSelectDialog;
+}
+
+class VersionSelectDialog : public QDialog
+{
+	Q_OBJECT
+	
+public:
+	explicit VersionSelectDialog(InstVersionList *vlist, QWidget *parent = 0);
+	~VersionSelectDialog();
+	
+	virtual int exec();
+	
+	//! Starts a task that loads the list.
+	void loadList();
+	
+private slots:
+	void on_refreshButton_clicked();
+	
+private:
+	Ui::VersionSelectDialog *ui;
+	
+	InstVersionList *m_vlist;
+};
+
+#endif // VERSIONSELECTDIALOG_H
diff --git a/gui/versionselectdialog.ui b/gui/versionselectdialog.ui
new file mode 100644
index 00000000..7b94817a
--- /dev/null
+++ b/gui/versionselectdialog.ui
@@ -0,0 +1,100 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>VersionSelectDialog</class>
+ <widget class="QDialog" name="VersionSelectDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QTreeView" name="listView">
+     <property name="horizontalScrollBarPolicy">
+      <enum>Qt::ScrollBarAlwaysOff</enum>
+     </property>
+     <property name="rootIsDecorated">
+      <bool>false</bool>
+     </property>
+     <property name="itemsExpandable">
+      <bool>false</bool>
+     </property>
+     <property name="wordWrap">
+      <bool>true</bool>
+     </property>
+     <attribute name="headerCascadingSectionResizes">
+      <bool>true</bool>
+     </attribute>
+     <attribute name="headerStretchLastSection">
+      <bool>false</bool>
+     </attribute>
+    </widget>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QPushButton" name="refreshButton">
+       <property name="toolTip">
+        <string>Reloads the version list.</string>
+       </property>
+       <property name="text">
+        <string>&amp;Refresh</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QDialogButtonBox" name="buttonBox">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="standardButtons">
+        <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>VersionSelectDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>257</x>
+     <y>290</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>VersionSelectDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>325</x>
+     <y>290</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/libmultimc/include/instversion.h b/libmultimc/include/instversion.h
index 7de83966..9d13dbe4 100644
--- a/libmultimc/include/instversion.h
+++ b/libmultimc/include/instversion.h
@@ -40,16 +40,15 @@ public:
 	 * \breif Returns this InstVersion's name. 
 	 *  This is displayed to the user in the GUI and is usually just the version number ("1.4.7"), for example.
 	 */
-	
 	virtual QString name() const = 0;
 	
 	/*!
-	 * \brief Returns this InstVersion's name. 
+	 * \brief Returns this InstVersion's type name. 
 	 * This is usually displayed to the user in the GUI and specifies what 
 	 * kind of version this is. For example: it could be "Snapshot", 
 	 * "Latest Version", "MCNostalgia", etc.
 	 */
-	virtual QString type() const = 0;
+	virtual QString typeName() const = 0;
 	
 	//! Returns the version list that this InstVersion is a part of.
 	virtual InstVersionList *versionList() const;
diff --git a/libmultimc/include/instversionlist.h b/libmultimc/include/instversionlist.h
index 4345aaaa..24dd1a28 100644
--- a/libmultimc/include/instversionlist.h
+++ b/libmultimc/include/instversionlist.h
@@ -17,6 +17,8 @@
 #define INSTVERSIONLIST_H
 
 #include <QObject>
+#include <QVariant>
+#include <QAbstractListModel>
 
 #include "libmmc_config.h"
 
@@ -29,8 +31,13 @@ class Task;
  * for that instance. This list will not be loaded on startup. It will be loaded 
  * when the list's load function is called. Before using the version list, you
  * should check to see if it has been loaded yet and if not, load the list.
+ * 
+ * Note that this class also inherits from QAbstractListModel. Methods from that
+ * class determine how this version list shows up in a list view. Said methods
+ * all have a default implementation, but they can be overridden by plugins to
+ * change the behavior of the list.
  */
-class LIBMULTIMC_EXPORT InstVersionList : public QObject
+class LIBMULTIMC_EXPORT InstVersionList : public QAbstractListModel
 {
 	Q_OBJECT
 public:
@@ -39,6 +46,7 @@ public:
 	/*!
 	 * \brief Gets a task that will reload the version list.
 	 * Simply execute the task to load the list.
+	 * The task returned by this function should reset the model when it's done.
 	 * \return A pointer to a task that reloads the version list.
 	 */
 	virtual Task *getLoadTask() = 0;
@@ -52,6 +60,14 @@ public:
 	//! Returns the number of versions in the list.
 	virtual int count() const = 0;
 	
+	
+	//////// List Model Functions ////////
+	virtual QVariant data(const QModelIndex &index, int role) const;
+	virtual QVariant headerData(int section, Qt::Orientation orientation, int role) const;
+	virtual int rowCount(const QModelIndex &parent) const;
+	virtual int columnCount(const QModelIndex &parent) const;
+	
+	
 	/*!
 	 * \brief Finds a version by its descriptor.
 	 * \param The descriptor of the version to find.
diff --git a/libmultimc/src/instversionlist.cpp b/libmultimc/src/instversionlist.cpp
index 301b9969..6c7b44bb 100644
--- a/libmultimc/src/instversionlist.cpp
+++ b/libmultimc/src/instversionlist.cpp
@@ -17,7 +17,7 @@
 #include "instversion.h"
 
 InstVersionList::InstVersionList(QObject *parent) :
-	QObject(parent)
+	QAbstractListModel(parent)
 {
 }
 
@@ -30,3 +30,96 @@ const InstVersion *InstVersionList::findVersion(const QString &descriptor)
 	}
 	return NULL;
 }
+
+// Column Enum
+enum VListColumns
+{
+	// First column - Name
+	NameColumn = 0,
+	
+	// Second column - Type
+	TypeColumn,
+	
+	// Column count
+	ColCount
+};
+
+QVariant InstVersionList::data(const QModelIndex &index, int role) const
+{
+	if (!index.isValid())
+		return QVariant();
+	
+	if (index.row() > count())
+		return QVariant();
+	
+	
+	const InstVersion *version = at(index.row());
+	
+	switch (role)
+	{
+	case Qt::DisplayRole:
+		switch (index.column())
+		{
+		case NameColumn:
+			return version->name();
+			
+		case TypeColumn:
+			return version->typeName();
+			
+		default:
+			return QVariant();
+		}
+		
+	case Qt::ToolTipRole:
+		return version->descriptor();
+		
+	default:
+		return QVariant();
+	}
+}
+
+QVariant InstVersionList::headerData(int section, Qt::Orientation orientation, int role) const
+{
+	switch (role)
+	{
+	case Qt::DisplayRole:
+		switch (section)
+		{
+		case NameColumn:
+			return "Name";
+			
+		case TypeColumn:
+			return "Type";
+		
+		default:
+			return QVariant();
+		}
+		
+	case Qt::ToolTipRole:
+		switch (section)
+		{
+		case NameColumn:
+			return "The name of the version.";
+			
+		case TypeColumn:
+			return "The version's type.";
+		
+		default:
+			return QVariant();
+		}
+		
+	default:
+		return QVariant();
+	}
+}
+
+int InstVersionList::rowCount(const QModelIndex &parent) const
+{
+	// Return count
+	return count();
+}
+
+int InstVersionList::columnCount(const QModelIndex &parent) const
+{
+	return ColCount;
+}
diff --git a/plugins/stdinstance/stdinstversion.cpp b/plugins/stdinstance/stdinstversion.cpp
index 0e582ffc..0e93cd42 100644
--- a/plugins/stdinstance/stdinstversion.cpp
+++ b/plugins/stdinstance/stdinstversion.cpp
@@ -63,10 +63,10 @@ QString StdInstVersion::name() const
 	return m_name;
 }
 
-QString StdInstVersion::type() const
+QString StdInstVersion::typeName() const
 {
 	if (m_linkedVersion)
-		return m_linkedVersion->type();
+		return m_linkedVersion->typeName();
 	
 	switch (versionType())
 	{
diff --git a/plugins/stdinstance/stdinstversion.h b/plugins/stdinstance/stdinstversion.h
index 3f03ae83..38a2010c 100644
--- a/plugins/stdinstance/stdinstversion.h
+++ b/plugins/stdinstance/stdinstversion.h
@@ -55,14 +55,14 @@ public:
 	
 	virtual QString descriptor() const;
 	virtual QString name() const;
-	virtual QString type() const;
+	virtual QString typeName() const;
 	virtual qint64 timestamp() const;
 	virtual QString downloadURL() const;
 	virtual bool hasLWJGL() const;
 	virtual QString etag() const;
 	
 	virtual VersionType versionType() const;
-	virtual void setVersionType(VersionType type);
+	virtual void setVersionType(VersionType typeName);
 	
 	virtual bool isMeta() const;
 	
diff --git a/plugins/stdinstance/stdinstversionlist.cpp b/plugins/stdinstance/stdinstversionlist.cpp
index 4ad4c52f..b271fa65 100644
--- a/plugins/stdinstance/stdinstversionlist.cpp
+++ b/plugins/stdinstance/stdinstversionlist.cpp
@@ -45,7 +45,7 @@
 #define MCN_URLBASE "http://sonicrules.org/mcnweb.py"
 
 // When this is defined, prints the entire version list to qDebug() after loading.
-#define PRINT_VERSIONS
+//#define PRINT_VERSIONS
 
 
 StdInstVersionList vList;
@@ -90,7 +90,7 @@ void StdInstVersionList::printToStdOut()
 		qDebug() << "Version " << version->name();
 		qDebug() << "\tDownload: " << version->downloadURL();
 		qDebug() << "\tTimestamp: " << version->timestamp();
-		qDebug() << "\tType: " << version->type();
+		qDebug() << "\tType: " << version->typeName();
 		qDebug() << "----------------------------------------------";
 	}
 }
@@ -157,8 +157,10 @@ void StdInstVListLoadTask::finalize()
 	// Now we swap the list we loaded into the actual version list.
 	// This applies our changes to the version list immediately and still gives us 
 	// access to the old list so that we can delete the objects in it and free their memory.
-	// By doing this, we cause the version list to update immediately.
+	// By doing this, we cause the version list to update as quickly as possible.
+	m_list->beginResetModel();
 	m_list->m_vlist.swap(tempList);
+	m_list->endResetModel();
 	
 	// We called swap, so all the data that was in the version list previously is now in 
 	// tempList (and vice-versa). Now we just free the memory.