ground/openpilotgcs/src/plugins/config/channelform.cpp

   1 #include "channelform.h"
   2
   3 #include <QGridLayout>
   4
   5
   6 ChannelForm::ChannelForm(const int index, QWidget *parent) : ConfigTaskWidget(parent), m_index(index)
   7 {}
   8
   9 ChannelForm::~ChannelForm()
  10 {}
  11
  12 int ChannelForm::index() const
  13 {
  14     return m_index;
  15 }
  16
  17 void ChannelForm::moveTo(QGridLayout &dstLayout)
  18 {
  19     QGridLayout *srcLayout = dynamic_cast<QGridLayout *>(layout());
  20
  21     Q_ASSERT(srcLayout);
  22
  23     // if we are the first row to be inserted then show the legend
  24     bool showLegend = (dstLayout.rowCount() == 1);
  25
  26     if (showLegend) {
  27         // move legend row to target grid layout
  28         moveRow(0, *srcLayout, dstLayout);
  29     } else {
  30         removeRow(0, *srcLayout);
  31     }
  32
  33     // move field row to target grid layout
  34     moveRow(1, *srcLayout, dstLayout);
  35
  36     // this form is now empty so hide it
  37     setVisible(false);
  38 }
  39
  40 void ChannelForm::moveRow(int row, QGridLayout &srcLayout, QGridLayout &dstLayout)
  41 {
  42     int dstRow = dstLayout.rowCount();
  43
  44     for (int col = 0; col < srcLayout.columnCount(); col++) {
  45         QLayoutItem *item = srcLayout.itemAtPosition(row, col);
  46         if (!item) {
  47             continue;
  48         }
  49         QWidget *widget = item->widget();
  50         if (widget) {
  51             dstLayout.addWidget(widget, dstRow, col);
  52             continue;
  53         }
  54         // TODO handle item of type QLayout
  55     }
  56 }
  57
  58 void ChannelForm::removeRow(int row, QGridLayout &layout)
  59 {
  60     for (int col = 0; col < layout.columnCount(); col++) {
  61         QLayoutItem *item = layout.itemAtPosition(row, col);
  62         if (!item) {
  63             continue;
  64         }
  65         QWidget *widget = item->widget();
  66         if (widget) {
  67             layout.removeWidget(widget);
  68             delete widget;
  69             continue;
  70         }
  71         // TODO handle item of type QLayout
  72     }
  73 }