Skeleton of the new LocationCombobox

This is the bare minimum skeleton of the new completer for the dive site
management. Nothing works, yet, nothing is hoocked up, yet.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

qt-ui/locationinformation.cpp

@@ -317,3 +317,136 @@ void LocationInformationWidget::reverseGeocode()
 	geoLookup->lookup(&displayed_dive_site);
 	updateLabels();
 }
+
+DiveLocationFilterProxyModel::DiveLocationFilterProxyModel(QObject *parent)
+{
+
+}
+
+DiveLocationLineEdit *location_line_edit = 0;
+
+bool DiveLocationFilterProxyModel::filterAcceptsRow(int source_row, const QModelIndex& source_parent) const
+{
+	if(source_row == 0 || source_row == 1)
+		return true;
+
+	QString sourceString = sourceModel()->index(source_row, DiveLocationModel::NAME).data(Qt::DisplayRole).toString();
+	return sourceString.toLower().startsWith(location_line_edit->text().toLower());
+}
+
+DiveLocationModel::DiveLocationModel(QObject *o)
+{
+	resetModel();
+}
+
+void DiveLocationModel::resetModel()
+{
+	beginResetModel();
+	qDebug() << "Dive site table size" <<dive_site_table.nr;
+	endResetModel();
+}
+
+QVariant DiveLocationModel::data(const QModelIndex& index, int role) const
+{
+	if(index.row() <= 1) { // two special cases.
+		switch(role) {
+			case Qt::DisplayRole : return new_ds_value[index.row()];
+			case Qt::ToolTipRole : return "Create a new dive site";
+		}
+	}
+
+	// The dive sites are -2 because of the first two items.
+	struct dive_site *ds = get_dive_site(index.row() - 2);
+	switch(role) {
+		case Qt::EditRole:
+		case Qt::DisplayRole :
+			switch(index.column()) {
+			case UUID: return ds->uuid;
+			case NAME: return ds->name;
+			case LATITUDE: return ds->latitude.udeg;
+			case LONGITUDE: return ds->longitude.udeg;
+			case DESCRIPTION: return ds->description;
+			case NOTES: return ds->name;
+			}
+		break;
+		case Qt::DecorationRole : {
+			if (dive_site_has_gps_location(ds))
+				return QIcon(":geocode");
+		}
+	}
+	return QVariant();
+}
+
+int DiveLocationModel::columnCount(const QModelIndex& parent) const
+{
+	return COLUMNS;
+}
+
+int DiveLocationModel::rowCount(const QModelIndex& parent) const
+{
+	return dive_site_table.nr + 2;
+}
+
+
+bool DiveLocationModel::setData(const QModelIndex& index, const QVariant& value, int role)
+{
+	if(!index.isValid())
+		return false;
+	if (index.row() > 1)
+		return false;
+
+	new_ds_value[index.row()] = value.toString();
+
+	dataChanged(index, index);
+	return true;
+}
+
+DiveLocationLineEdit::DiveLocationLineEdit(QWidget *parent)
+{
+	proxy = new DiveLocationFilterProxyModel();
+	model = new DiveLocationModel();
+	view = new DiveLocationListView();
+
+	proxy->setSourceModel(model);
+	view->setModel(model);
+
+	connect(this, &QLineEdit::textEdited, this, &DiveLocationLineEdit::setTemporaryDiveSiteName);
+
+	//HACK:
+	/* This is being show currently just to test. */
+	qDebug() << "AAAAAAH";
+	qDebug() << model->rowCount() << model->columnCount();
+	view->show();
+}
+
+void DiveLocationLineEdit::refreshDiveSiteCache()
+{
+	model->resetModel();
+}
+
+static struct dive_site *get_dive_site_name_start_which_str(const QString& str) {
+	struct dive_site *ds;
+	int i;
+	for_each_dive_site(i,ds) {
+		QString dsName(ds->name);
+		if (dsName.startsWith(str)) {
+			return ds;
+		}
+	}
+	return NULL;
+}
+
+void DiveLocationLineEdit::setTemporaryDiveSiteName(const QString& s)
+{
+	QModelIndex i0 = model->index(0, DiveLocationModel::NAME);
+	model->setData(i0, text());
+
+	struct dive_site *ds = get_dive_site_name_start_which_str(text());
+	QModelIndex i1 = model->index(1, DiveLocationModel::NAME);
+	model->setData(i1, ds ? ds->name : INVALID_DIVE_SITE_NAME);
+}
+
+DiveLocationListView::DiveLocationListView(QWidget *parent)
+{
+
+}

qt-ui/locationinformation.h

@@ -4,6 +4,7 @@
 #include "ui_locationInformation.h"
 #include <stdint.h>
 #include <QAbstractListModel>
+#include <QSortFilterProxyModel>
 
 class LocationInformationWidget : public QGroupBox {
 Q_OBJECT
@@ -58,4 +59,43 @@ private:
 	uint32_t last_uuid;
 };
 
+class DiveLocationFilterProxyModel : public QSortFilterProxyModel {
+	Q_OBJECT
+public:
+	DiveLocationFilterProxyModel(QObject *parent = 0);
+	virtual bool filterAcceptsRow(int source_row, const QModelIndex& source_parent) const;
+};
+
+class DiveLocationModel : public QAbstractTableModel {
+	Q_OBJECT
+public:
+	enum columns{UUID, NAME, LATITUDE, LONGITUDE, DESCRIPTION, NOTES, COLUMNS};
+	DiveLocationModel(QObject *o = 0);
+	void resetModel();
+	QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const;
+	int rowCount(const QModelIndex& parent = QModelIndex()) const;
+	int columnCount(const QModelIndex& parent = QModelIndex()) const;
+	bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole);
+private:
+	QString new_ds_value[2];
+};
+
+class DiveLocationListView : public QListView {
+	Q_OBJECT
+public:
+	DiveLocationListView(QWidget *parent = 0);
+};
+
+class DiveLocationLineEdit : public QLineEdit {
+	Q_OBJECT
+public:
+	DiveLocationLineEdit(QWidget *parent =0 );
+	void refreshDiveSiteCache();
+	void setTemporaryDiveSiteName(const QString& s);
+private:
+	DiveLocationFilterProxyModel *proxy;
+	DiveLocationModel *model;
+	DiveLocationListView *view;
+};
+
 #endif

qt-ui/maintab.cpp

@@ -480,6 +480,7 @@ void MainTab::updateDiveInfo(bool clear)
 #endif
 	}
 
+	ui.location->refreshDiveSiteCache();
 	EditMode rememberEM = editMode;
 	// don't execute this while adding / planning a dive
 	if (editMode == ADD || editMode == MANUALLY_ADDED_DIVE || MainWindow::instance()->graphics()->isPlanner())

qt-ui/maintab.ui

@@ -188,7 +188,7 @@
              <number>2</number>
             </property>
             <item>
-             <widget class="QLineEdit" name="location"/>
+             <widget class="DiveLocationLineEdit" name="location"/>
             </item>
             <item>
              <widget class="QToolButton" name="editDiveSiteButton">
@@ -1131,6 +1131,11 @@
    <header>qtwaitingspinner.h</header>
    <container>1</container>
   </customwidget>
+  <customwidget>
+   <class>DiveLocationLineEdit</class>
+   <extends>QLineEdit</extends>
+   <header>locationinformation.h</header>
+  </customwidget>
  </customwidgets>
  <tabstops>
   <tabstop>dateEdit</tabstop>