--- qsampler/trunk/src/qsamplerDeviceForm.ui.h	2005/03/07 11:15:23	427
+++ qsampler/trunk/src/qsamplerDeviceForm.ui.h	2005/03/07 17:05:55	428
@@ -20,8 +20,9 @@
 
 *****************************************************************************/
 
-#include <qvalidator.h>
 #include <qmessagebox.h>
+#include <qfiledialog.h>
+#include <qfileinfo.h>
 
 #include "qsamplerMainForm.h"
 
@@ -32,9 +33,11 @@
 void qsamplerDeviceForm::init (void)
 {
     // Initialize locals.
-    m_pMainForm   = NULL;
+    m_pMainForm   = (qsamplerMainForm *) QWidget::parentWidget();
+    m_pClient     = NULL;
 	m_iDirtySetup = 0;
     m_iDirtyCount = 0;
+    m_iUntitled   = 1;
 
     // Try to restore normal window positioning.
     adjustSize();
@@ -47,38 +50,89 @@
 }
 
 
+// Notify our parent that we're emerging.
+void qsamplerDeviceForm::showEvent ( QShowEvent *pShowEvent )
+{
+    if (m_pMainForm)
+        m_pMainForm->stabilizeForm();
+
+    stabilizeForm();
+
+    QWidget::showEvent(pShowEvent);
+}
+
+
+// Notify our parent that we're closing.
+void qsamplerDeviceForm::hideEvent ( QHideEvent *pHideEvent )
+{
+    QWidget::hideEvent(pHideEvent);
+
+    if (m_pMainForm)
+        m_pMainForm->stabilizeForm();
+}
+
+
 // Device configuration dialog setup formal initializer.
-void qsamplerDeviceForm::setup ( qsamplerMainForm *pMainForm )
+void qsamplerDeviceForm::setClient ( lscp_client_t *pClient )
 {
-    m_pMainForm   = pMainForm;
-	m_iDirtySetup = 0;
-    m_iDirtyCount = 0;
+	// If it has not changed, do nothing.
+	if (m_pClient && m_pClient == pClient)
+	    return;
+
+	// Set new reference.
+	m_pClient = pClient;
+	
+	// Set our main client reference.
+    DeviceParameterTable->setClient(m_pClient);
+
+	// OK. Do a whole refresh around.
+	refreshDevices();
+}
 
-    if (m_pMainForm == NULL)
-        return;
-    if (m_pMainForm->client() == NULL)
-        return;
 
+// Format the displayable device configuration filename.
+QString qsamplerDeviceForm::devicesName ( const QString& sFilename )
+{
+    QString sDevicesName = sFilename;
     qsamplerOptions *pOptions = m_pMainForm->options();
-    if (pOptions == NULL)
-        return;
+    if (pOptions) {
+    	bool bCompletePath = (pOptions && pOptions->bCompletePath);
+    	if (sDevicesName.isEmpty())
+        	sDevicesName = tr("Untitled") + QString::number(m_iUntitled);
+    	else if (!bCompletePath)
+        	sDevicesName = QFileInfo(sDevicesName).fileName();
+	}
+    return sDevicesName;
+}
 
-	// Set our main client reference.
-    DeviceParameterTable->setClient(pMainForm->client());
 
-    // Avoid nested changes.
-    m_iDirtySetup++;
+// Window close event handlers.
+bool qsamplerDeviceForm::queryClose (void)
+{
+    bool bQueryClose = true;
 
-	//
-    // TODO: Load initial device configuration data ...
-    //
+    if (m_iDirtyCount > 0) {
+        switch (QMessageBox::warning(this, tr("Warning"),
+            tr("The device configuration has been changed.\n\n"
+               "\"%1\"\n\n"
+               "Do you want to save the changes?")
+			   .arg(devicesName(m_sFilename)),
+            tr("Save"), tr("Discard"), tr("Cancel"))) {
+        case 0:     // Save...
+            saveDevices();
+            // Fall thru....
+        case 1:     // Discard
+            break;
+        default:    // Cancel.
+            bQueryClose = false;
+        }
+    }
 
-    // Done.
-    m_iDirtySetup--;
-    stabilizeForm();
+    return bQueryClose;
 }
 
 
+
 // Dirty up settings.
 void qsamplerDeviceForm::contentsChanged (void)
 {
@@ -90,10 +144,159 @@
 }
 
 
+// Load device configuration slot.
+void qsamplerDeviceForm::loadDevices (void)
+{
+    QString sFilename = QFileDialog::getOpenFileName(
+            m_sFilename,                                    // Start here.
+            tr("Device Configuration files") + " (*.lscp)", // Filter (XML files)
+            this, 0,                                        // Parent and name (none)
+            tr("Load Device Configuration")                 // Caption.
+    );
+
+    if (sFilename.isEmpty())
+        return;
+
+    // Check if we're going to discard safely the current one...
+    if (!queryClose())
+        return;
+
+    // Load it right away...
+    loadDevicesFile(sFilename);
+}
+
+
+// Save device configuration slot.
+void qsamplerDeviceForm::saveDevices (void)
+{
+    QString sFilename = QFileDialog::getSaveFileName(
+            m_sFilename,                                    // Start here.
+            tr("Device Configuration files") + " (*.lscp)", // Filter (XML files)
+            this, 0,                                        // Parent and name (none)
+            tr("Save Device Configuration")                 // Caption.
+    );
+
+    if (sFilename.isEmpty())
+        return;
+
+    // Enforce .xml extension...
+    if (QFileInfo(sFilename).extension().isEmpty())
+        sFilename += ".lscp";
+
+    // Save it right away...
+    saveDevicesFile(sFilename);
+}
+
+
+// Load device configuration from file.
+void qsamplerDeviceForm::loadDevicesFile ( const QString& sFilename )
+{
+	//
+    // TODO: Load device configuration from file...
+	//
+	m_pMainForm->appendMessages("qsamplerDeviceForm::loadDevicesFile(\"" + sFilename + "\")...");
+
+	m_sFilename   = sFilename;
+	m_iDirtyCount = 0;
+
+	refreshDevices();
+}
+
+
+// Save device configuration into file.
+void qsamplerDeviceForm::saveDevicesFile ( const QString& sFilename )
+{
+	//
+    // TODO: Save device configuration into file...
+    //
+	m_pMainForm->appendMessages("qsamplerDeviceForm::saveDevicesFile(\"" + sFilename + "\")...");
+
+	m_sFilename   = sFilename;
+	m_iDirtyCount = 0;
+	stabilizeForm();
+}
+
+
+// Create a new device from current table view.
+void qsamplerDeviceForm::createDevice (void)
+{
+	//
+    // TODO: Create a new device from current table view...
+    //
+	m_pMainForm->appendMessages("qsamplerDeviceForm::createDevice()...");
+}
+
+
+// Update current device in table view.
+void qsamplerDeviceForm::updateDevice (void)
+{
+	//
+    // TODO: Update current device in table view...
+    //
+	m_pMainForm->appendMessages("qsamplerDeviceForm::updateDevice()...");
+}
+
+
+// Delete current device in table view.
+void qsamplerDeviceForm::deleteDevice (void)
+{
+	//
+    // TODO: Delete current device in table view...
+    //
+	m_pMainForm->appendMessages("qsamplerDeviceForm::deleteDevice()...");
+}
+
+
+// Refresh all device list and views.
+void qsamplerDeviceForm::refreshDevices (void)
+{
+    // Avoid nested changes.
+    m_iDirtySetup++;
+
+    DeviceListView->clear();
+    if (m_pClient)
+    	new QListViewItem(DeviceListView, tr("<New device>"));
+
+	//
+    // TODO: Load device configuration data ...
+    //
+	m_pMainForm->appendMessages("qsamplerDeviceForm::refreshDevices()");
+
+	DeviceParameterTable->setNumRows(0);
+	if (m_pClient) {
+		DeviceParameterTable->insertRows(0, 3);
+		for (int c = 0; c < DeviceParameterTable->numCols(); c++) {
+			for (int r = 0; r < DeviceParameterTable->numRows(); r++)
+				DeviceParameterTable->setText(r, c, QString("R%1C%1").arg(r).arg(c));
+			DeviceParameterTable->adjustColumn(c);
+		}
+	}
+
+    // Done.
+    m_iDirtySetup--;
+//  stabilizeForm();
+}
+
+
 // Stabilize current form state.
 void qsamplerDeviceForm::stabilizeForm (void)
 {
+    // Update the main caption...
+    QString sDevicesName = devicesName(m_sFilename);
+    if (m_iDirtyCount > 0)
+        sDevicesName += '*';
+    setCaption(tr("Devices - [%1]").arg(sDevicesName));
+
+	//
 	// TODO: Enable/disable available command buttons.
+	//
+	m_pMainForm->appendMessages("qsamplerDeviceForm::stabilizeForm()");
+
+    SaveDevicesPushButton->setEnabled(m_iDirtyCount > 0);
+    
+    CreateDevicePushButton->setEnabled(m_iDirtyCount > 0);
+    UpdateDevicePushButton->setEnabled(m_iDirtyCount > 0);
+    DeleteDevicePushButton->setEnabled(m_iDirtyCount > 0);
 }