From 7d5cf325016925f4072aa31b92beaae4f9a59695 Mon Sep 17 00:00:00 2001
From: Tomaz Canabrava <tcanabrava@kde.org>
Date: Tue, 14 Jan 2014 16:43:58 -0200
Subject: Added a Model that should handle the Dive Profile

This model encapsulates the plot_info struct and provides
a consistent way to show it using the Qt Model view system
in the C++ and QML way. For a QGraphicsItem that should show
a Profile, this is the start.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
---
 qt-ui/profile/diveplotdatamodel.cpp | 97 +++++++++++++++++++++++++++++++++++++
 qt-ui/profile/diveplotdatamodel.h   | 26 ++++++++++
 2 files changed, 123 insertions(+)
 create mode 100644 qt-ui/profile/diveplotdatamodel.cpp
 create mode 100644 qt-ui/profile/diveplotdatamodel.h

(limited to 'qt-ui/profile')

diff --git a/qt-ui/profile/diveplotdatamodel.cpp b/qt-ui/profile/diveplotdatamodel.cpp
new file mode 100644
index 000000000..a5506139f
--- /dev/null
+++ b/qt-ui/profile/diveplotdatamodel.cpp
@@ -0,0 +1,97 @@
+#include "diveplotdatamodel.h"
+#include "dive.h"
+#include "display.h"
+#include "profile.h"
+#include "graphicsview-common.h"
+#include "dive.h"
+#include "display.h"
+#include <QDebug>
+
+DivePlotDataModel::DivePlotDataModel(QObject* parent): QAbstractTableModel(parent), plotData(NULL), sampleCount(0)
+{
+
+}
+
+int DivePlotDataModel::columnCount(const QModelIndex& parent) const
+{
+	return COLUMNS;
+}
+
+QVariant DivePlotDataModel::data(const QModelIndex& index, int role) const
+{
+	if (!index.isValid())
+		return QVariant();
+
+	plot_data item = plotData[index.row()];
+	if (role == Qt::DisplayRole){
+		switch(index.column()){
+			case DEPTH: return item.depth;
+			case TIME: return item.sec;
+			case PRESSURE: return item.pressure[0];
+			case TEMPERATURE: return item.temperature;
+			case COLOR: return item.velocity;
+			case USERENTERED: return false;
+		}
+	}
+	if (role == Qt::BackgroundRole){
+		switch(index.column()){
+			case COLOR: return getColor((color_indice_t)(VELOCITY_COLORS_START_IDX + item.velocity));
+		}
+	}
+	return QVariant();
+}
+
+int DivePlotDataModel::rowCount(const QModelIndex& parent) const
+{
+	return sampleCount;
+}
+
+QVariant DivePlotDataModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+	if (orientation != Qt::Horizontal)
+		return QVariant();
+
+	if (role != Qt::DisplayRole)
+		return QVariant();
+
+	switch(section){
+		case DEPTH: return tr("Depth");
+		case TIME: return tr("Time");
+		case PRESSURE: return tr("Pressure");
+		case TEMPERATURE: return tr("Temperature");
+		case COLOR: return tr("Color");
+		case USERENTERED: return tr("User Entered");
+	}
+	return QVariant();
+}
+
+void DivePlotDataModel::clear()
+{
+	if(rowCount() != 0){
+		beginRemoveRows(QModelIndex(), 0, rowCount() - 1);
+		endRemoveRows();
+	}
+}
+
+void DivePlotDataModel::setDive(dive* d,const plot_info& pInfo)
+{
+	// We need a way to find out if the dive setted is the same old dive, but pointers change,
+	// and there's no UUID, for now, just repopulate everything.
+	clear();
+	struct divecomputer *dc = NULL;
+
+	if (d)
+		dc = select_dc(&d->dc);
+
+	/* Create the new plot data */
+	if (plotData)
+		free((void *)plotData);
+
+	plot_info info = pInfo;
+	plotData = populate_plot_entries(d, dc, &info); // Create the plot data.
+	analyze_plot_info(&info); // Get the Velocity Color information.
+
+	sampleCount = info.nr;
+	beginInsertRows(QModelIndex(), 0, sampleCount-1);
+	endInsertRows();
+}
diff --git a/qt-ui/profile/diveplotdatamodel.h b/qt-ui/profile/diveplotdatamodel.h
new file mode 100644
index 000000000..23e078148
--- /dev/null
+++ b/qt-ui/profile/diveplotdatamodel.h
@@ -0,0 +1,26 @@
+#ifndef DIVEPLOTDATAMODEL_H
+#define DIVEPLOTDATAMODEL_H
+
+#include <QAbstractTableModel>
+
+struct dive;
+struct plot_data;
+struct plot_info;
+
+class DivePlotDataModel : public QAbstractTableModel{
+Q_OBJECT
+public:
+	enum {DEPTH, TIME, PRESSURE, TEMPERATURE, USERENTERED, COLOR, COLUMNS};
+	explicit DivePlotDataModel(QObject* parent = 0);
+	virtual int columnCount(const QModelIndex& parent = QModelIndex()) const;
+	virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
+	virtual QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const;
+	virtual int rowCount(const QModelIndex& parent = QModelIndex()) const;
+	void clear();
+	void setDive(struct dive *d, const plot_info& pInfo);
+private:
+	int sampleCount;
+	plot_data *plotData;
+};
+
+#endif
\ No newline at end of file
-- 
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