--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BuildLogViewer/mainwindow.cpp	Fri Aug 28 15:16:29 2009 -0700
@@ -0,0 +1,130 @@
+#include <QFileDialog>
+#include <QMessageBox>
+
+#include "Document.h"
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent), ui(new Ui::MainWindow)
+{
+    ui->setupUi(this);
+    // MDI from Chap 4, page 105 Foundamentals of Qt Development
+    workspace = new QWorkspace();
+    setCentralWidget(workspace);
+    connect(workspace, SIGNAL(windowActivated(QWidget*)),
+            this, SLOT(enableActions()));
+    mapper = new QSignalMapper(this);
+    connect(mapper, SIGNAL(mapped(QWidget*)),
+            workspace, SLOT(setActiveWindow(QWidget*)));
+
+    this->createActions();
+    this->enableActions();
+}
+
+MainWindow::~MainWindow()
+{
+    delete ui;
+}
+
+void MainWindow::notYetImplemented()
+{
+    QMessageBox::information(this, tr("Build Log Viewer"), tr("Not Yet Implemented."));
+}
+
+ void MainWindow::openLog()
+ {
+    QString filename = QFileDialog::getOpenFileName(
+             this, tr("Open Log"), QDir::currentPath(),
+             tr("Build log *.xml;;All files (*.*)"));
+    Document *doc = new Document(this, filename);
+    workspace->addWindow(doc);
+
+    doc->show();
+ }
+
+ void MainWindow::createActions()
+ {
+    // file menu - mark as NYI
+    connect(ui->actionOpen, SIGNAL(triggered()),
+            this, SLOT(openLog()));
+    connect(ui->actionClose, SIGNAL(triggered()),
+            workspace, SLOT(closeActiveWindow()));
+
+    // find menu - mark as NYI
+    connect(ui->actionFind, SIGNAL(triggered()),
+            this, SLOT(notYetImplemented()));
+    connect(ui->actionTags , SIGNAL(triggered()),
+            this, SLOT(notYetImplemented()));
+
+    // window menu - mark as NYI
+    connect(ui->actionTile , SIGNAL(triggered()),
+        this, SLOT(notYetImplemented()));
+    connect(ui->actionCascade , SIGNAL(triggered()),
+        this, SLOT(notYetImplemented()));
+    connect(ui->actionNext_Window , SIGNAL(triggered()),
+        this, SLOT(notYetImplemented()));
+    connect(ui->actionPrevious_Window , SIGNAL(triggered()),
+        this, SLOT(notYetImplemented()));
+
+    ui->actionSeparator->setSeparator(true);
+ }
+
+ void MainWindow::enableActions()
+ {
+     bool hasDocuments = (activeDocument() != 0) ;
+     // file
+     ui->actionOpen->setEnabled(true);
+     ui->actionClose->setEnabled(hasDocuments);
+     ui->actionQuit->setEnabled(true);
+     // find
+     ui->actionFind->setEnabled(hasDocuments);
+     ui->actionTags->setEnabled(hasDocuments);
+     // window
+     ui->actionCascade->setEnabled(hasDocuments);
+     ui->actionTile->setEnabled(hasDocuments);
+     ui->actionNext_Window->setEnabled(hasDocuments);
+     ui->actionPrevious_Window->setEnabled(hasDocuments);
+     ui->actionSeparator->setEnabled(hasDocuments);
+ }
+
+ void MainWindow::updateWindowList()
+ {
+     ui->menuWindow->clear();
+
+     ui->menuWindow->addAction(ui->actionTile);
+     ui->menuWindow->addAction(ui->actionCascade);
+     ui->menuWindow->addSeparator();
+     ui->menuWindow->addAction(ui->actionNext_Window);
+     ui->menuWindow->addAction(ui->actionPrevious_Window);
+     // If there are no open logs, we will disable this one.
+     ui->menuWindow->addAction(ui->actionSeparator);
+
+     int i=1;
+     foreach(QWidget *w, workspace->windowList())
+     {
+          QString text;
+          if ( i< 10) {
+              text = QString("&%1 %2").arg(i++).arg(w->windowTitle());
+          } else {
+              text = w->windowTitle();
+          }
+
+          QAction *action = ui->menuWindow->addAction(text);
+          action->setCheckable(true);
+          action->setChecked(w == activeDocument());
+          connect(action,SIGNAL(triggered()),
+                  mapper, SLOT(map()));
+          mapper->setMapping(action, w);
+      }
+ }
+
+void MainWindow::closeEvent(QCloseEvent *event)
+{
+    workspace->closeAllWindows();
+}
+
+Document * MainWindow::activeDocument()
+{
+    return qobject_cast<Document*>(workspace->activeWindow());
+}