1 files changed, 166 insertions, 0 deletions
diff --git a/karm/print.cpp b/karm/print.cpp
new file mode 100644
index 00000000..ff00a3bc
--- /dev/null
+++ b/karm/print.cpp
@@ -0,0 +1,166 @@
+// #include <iostream>
+
+#include <qdatetime.h>
+#include <qpaintdevicemetrics.h>
+#include <qpainter.h>
+
+#include <kglobal.h>
+#include <klocale.h>            // i18n
+
+#include "karmutility.h"        // formatTime()
+#include "print.h"
+#include "task.h"
+#include "taskview.h"
+
+const int levelIndent = 10;
+
+MyPrinter::MyPrinter(const TaskView *taskView)
+{
+  _taskView = taskView;
+}
+
+void MyPrinter::print()
+{
+  // FIXME: make a better caption for the printingdialog
+  if (setup(0L, i18n("Print Times"))) {
+    // setup
+    QPainter painter(this);
+    QPaintDeviceMetrics deviceMetrics(this);
+    QFontMetrics metrics = painter.fontMetrics();
+    pageHeight = deviceMetrics.height();
+    int pageWidth = deviceMetrics.width();
+    xMargin = margins().width();
+    yMargin = margins().height();
+    yoff = yMargin;
+    lineHeight = metrics.height();
+    
+    // Calculate the totals
+    // Note the totals are only calculated at the top most levels, as the
+    // totals are increased together with its children.
+    int totalTotal = 0;
+    int sessionTotal = 0;
+    for (Task* task = _taskView->first_child();
+               task;
+               task = static_cast<Task *>(task->nextSibling())) {
+      totalTotal += task->totalTime();
+      sessionTotal += task->totalSessionTime();
+    }
+
+    // Calculate the needed width for each of the fields
+    timeWidth = QMAX(metrics.width(i18n("Total")),
+                     metrics.width(formatTime(totalTotal)));
+    sessionTimeWidth = QMAX(metrics.width(i18n("Session")),
+                            metrics.width(formatTime(sessionTotal)));
+
+    nameFieldWidth = pageWidth - xMargin - timeWidth - sessionTimeWidth - 2*5;
+    
+    int maxReqNameFieldWidth= metrics.width(i18n("Task Name "));
+    
+    for ( Task* task = _taskView->first_child();
+          task;
+          task = static_cast<Task *>(task->nextSibling()))
+    {
+      int width = calculateReqNameWidth(task, metrics, 0);
+      maxReqNameFieldWidth = QMAX(maxReqNameFieldWidth, width);
+    }
+    nameFieldWidth = QMIN(nameFieldWidth, maxReqNameFieldWidth);
+
+    int realPageWidth = nameFieldWidth + timeWidth + sessionTimeWidth + 2*5;
+
+    // Print the header
+    QFont origFont, newFont;
+    origFont = painter.font();
+    newFont = origFont;
+    newFont.setPixelSize( static_cast<int>(origFont.pixelSize() * 1.5) );
+    painter.setFont(newFont);
+    
+    int height = metrics.height();
+    QString now = KGlobal::locale()->formatDateTime(QDateTime::currentDateTime());
+    
+    painter.drawText(xMargin, yoff, pageWidth, height,
+         QPainter::AlignCenter, 
+         i18n("KArm - %1").arg(now));
+    
+    painter.setFont(origFont);
+    yoff += height + 10;
+
+    // Print the second header.
+    printLine(i18n("Total"), i18n("Session"), i18n("Task Name"), painter, 0);
+    
+    yoff += 4;
+    painter.drawLine(xMargin, yoff, xMargin + realPageWidth, yoff);
+    yoff += 2;
+    
+    // Now print the actual content
+    for ( Task* task = _taskView->first_child();
+                task;
+                task = static_cast<Task *>(task->nextSibling()) )
+    {
+      printTask(task, painter, 0);
+    }
+
+    yoff += 4;
+    painter.drawLine(xMargin, yoff, xMargin + realPageWidth, yoff);
+    yoff += 2;
+    
+    // Print the Totals
+    printLine( formatTime( totalTotal ),
+               formatTime( sessionTotal ),
+               QString(), painter, 0);
+  }
+}
+
+int MyPrinter::calculateReqNameWidth( Task* task,
+                                      QFontMetrics &metrics,
+                                      int level) 
+{
+  int width = metrics.width(task->name()) + level * levelIndent;
+
+  for ( Task* subTask = task->firstChild();
+              subTask;
+              subTask = subTask->nextSibling() ) {
+    int subTaskWidth = calculateReqNameWidth(subTask, metrics, level+1);
+    width = QMAX(width, subTaskWidth);
+  }
+  return width;
+}
+
+void MyPrinter::printTask(Task *task, QPainter &painter, int level)
+{
+  QString time = formatTime(task->totalTime());
+  QString sessionTime = formatTime(task->totalSessionTime());
+  QString name = task->name();
+  printLine(time, sessionTime, name, painter, level);
+
+  for ( Task* subTask = task->firstChild();
+              subTask;
+              subTask = subTask->nextSibling())
+  {
+    printTask(subTask, painter, level+1);
+  }      
+}
+
+void MyPrinter::printLine( QString total, QString session, QString name, 
+                           QPainter &painter, int level )
+{
+  int xoff = xMargin + 10 * level;
+  
+  painter.drawText( xoff, yoff, nameFieldWidth, lineHeight,
+                    QPainter::AlignLeft, name);
+  xoff = xMargin + nameFieldWidth;
+  
+  painter.drawText( xoff, yoff, sessionTimeWidth, lineHeight,
+                    QPainter::AlignRight, session);
+  xoff += sessionTimeWidth+ 5;
+  
+  painter.drawText( xoff, yoff, timeWidth, lineHeight,
+                    QPainter::AlignRight, total);
+  xoff += timeWidth+5;
+
+  yoff += lineHeight;
+  
+  if (yoff + 2* lineHeight > pageHeight) {
+    newPage();
+    yoff = yMargin;
+  }
+}