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Add preview tableview
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@jgeudens
jgeudens committed Oct 30, 2015
1 parent 9eb5c87 commit 838b596
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Showing 3 changed files with 278 additions and 97 deletions.
175 changes: 170 additions & 5 deletions src/dialogs/loadfiledialog.cpp
View file
Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@

#include <QFileDialog>
#include <QColor>

#include "util.h"

Expand All @@ -22,6 +23,9 @@ const QList<LoadFileDialog::ComboListItem> LoadFileDialog::_groupSeparatorList
<< ComboListItem(" . (point)", ".")
<< ComboListItem(" (space)", " ");

const QColor LoadFileDialog::_cColorLabel = QColor(150, 255, 150);
const QColor LoadFileDialog::_cColorData = QColor(200, 255, 200);

LoadFileDialog::LoadFileDialog(ParserModel * pParserModel, QWidget *parent) :
QDialog(parent),
_pUi(new Ui::LoadFileDialog)
Expand All @@ -33,6 +37,11 @@ LoadFileDialog::LoadFileDialog(ParserModel * pParserModel, QWidget *parent) :
// load presets
loadPreset();

_pUi->tablePreview->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
_pUi->tablePreview->verticalHeader()->setSectionResizeMode(QHeaderView::Fixed);
_pUi->tablePreview->setEditTriggers(QAbstractItemView::NoEditTriggers);
_pUi->tablePreview->setFocusPolicy(Qt::NoFocus);

/*-- Fill combo boxes --*/
foreach(ComboListItem listItem, _decimalSeparatorList)
{
Expand Down Expand Up @@ -73,6 +82,7 @@ LoadFileDialog::LoadFileDialog(ParserModel * pParserModel, QWidget *parent) :
connect(_pUi->spinColumn, SIGNAL(valueChanged(int)), this, SLOT(columnUpdated()));
connect(_pUi->checkLabelRow, SIGNAL(toggled(bool)), this, SLOT(toggledLabelRow(bool)));
connect(_pUi->spinLabelRow, SIGNAL(valueChanged(int)), this, SLOT(labelRowUpdated()));

connect(_pUi->comboPreset, SIGNAL(currentIndexChanged(int)), this, SLOT(presetSelected(int)));

// Signal to change preset to manual
Expand All @@ -91,7 +101,6 @@ LoadFileDialog::LoadFileDialog(ParserModel * pParserModel, QWidget *parent) :
_pUi->comboPreset->setCurrentIndex(0);

_pParserModel->triggerUpdate();

}

LoadFileDialog::~LoadFileDialog()
Expand All @@ -114,13 +123,18 @@ void LoadFileDialog::open(QString file)
void LoadFileDialog::updateDynamicSession()
{
_pUi->checkDynamicSession->setChecked(_pParserModel->dynamicSession());

updatePreview();
}

void LoadFileDialog::updatePath()
{
_pUi->lineDataFile->setText(_pParserModel->path());

loadDataFileSample();
setPresetAccordingKeyword(_pUi->lineDataFile->text());

updatePreview();
}

void LoadFileDialog::updateFieldSeparator()
Expand All @@ -143,31 +157,43 @@ void LoadFileDialog::updateFieldSeparator()
_pUi->comboFieldSeparator->setCurrentIndex(comboIndex);
_pUi->lineCustomFieldSeparator->setText('\0');
}

updatePreview();
}

void LoadFileDialog::updategroupSeparator()
{
_pUi->comboGroupSeparator->setCurrentIndex(findIndexInCombo(_groupSeparatorList, QString(_pParserModel->groupSeparator())));

updatePreview();
}

void LoadFileDialog::updateDecimalSeparator()
{
_pUi->comboDecimalSeparator->setCurrentIndex(findIndexInCombo(_decimalSeparatorList, QString(_pParserModel->decimalSeparator())));

updatePreview();
}

void LoadFileDialog::updateCommentSequence()
{
_pUi->lineComment->setText(_pParserModel->commentSequence());

updatePreview();
}

void LoadFileDialog::updateDataRow()
{
_pUi->spinDataRow->setValue(_pParserModel->dataRow() + 1); // + 1 based because 0 based internally

updatePreview();
}

void LoadFileDialog::updateColumn()
{
_pUi->spinColumn->setValue(_pParserModel->column() + 1); // + 1 based because 0 based internally

updatePreview();
}

void LoadFileDialog::updateLabelRow()
Expand All @@ -181,6 +207,8 @@ void LoadFileDialog::updateLabelRow()
_pUi->checkLabelRow->setCheckState(Qt::Checked);
_pUi->spinLabelRow->setValue(_pParserModel->labelRow() + 1); // + 1 based because 0 based internally
}

updatePreview();
}


Expand Down Expand Up @@ -265,7 +293,7 @@ void LoadFileDialog::labelRowUpdated()

void LoadFileDialog::presetSelected(int index)
{
const qint32 presetIndex = index - cPresetListOffset;
const qint32 presetIndex = index - _cPresetListOffset;

if ((presetIndex >= 0) && (presetIndex < _presetParser.presetList().size()))
{
Expand Down Expand Up @@ -303,7 +331,7 @@ void LoadFileDialog::done(int r)

void LoadFileDialog::setPresetToManual()
{
_pUi->comboPreset->setCurrentIndex(cPresetManualIndex);
_pUi->comboPreset->setCurrentIndex(_cPresetManualIndex);
}

bool LoadFileDialog::validateSettingsData()
Expand Down Expand Up @@ -371,7 +399,7 @@ void LoadFileDialog::setPresetAccordingKeyword(QString filename)
{
if (QFileInfo(filename).fileName().contains(_presetParser.presetList()[index].keyword, Qt::CaseInsensitive))
{
presetComboIndex = index + cPresetListOffset;
presetComboIndex = index + _cPresetListOffset;
break;
}
}
Expand All @@ -382,9 +410,146 @@ void LoadFileDialog::setPresetAccordingKeyword(QString filename)
{
// set to manual
// TODO: set to auto
presetComboIndex = cPresetManualIndex;
presetComboIndex = _cPresetManualIndex;
}

_pUi->comboPreset->setCurrentIndex(-1);
_pUi->comboPreset->setCurrentIndex(presetComboIndex);
}

void LoadFileDialog::updatePreview()
{
bool bRet = false;
QList<QStringList> previewData;

if (
(_pParserModel->fieldSeparator() == _pParserModel->groupSeparator())
|| (_pParserModel->decimalSeparator() == _pParserModel->groupSeparator())
|| (_pParserModel->decimalSeparator() == _pParserModel->fieldSeparator())
)
{
previewData.append(QStringList(tr("Parser setting are not valid (field, group, decimal)!")));
}
else if (_pParserModel->labelRow() >= (qint32)_pParserModel->dataRow())
{
previewData.append(QStringList(tr("Label row is greater data row!")));
}
else if (_dataFileSample.size() < _pParserModel->labelRow())
{
previewData.append(QStringList(tr("No labels according to label row!")));
}
else if (_dataFileSample.size() == 0)
{
previewData.append(QStringList(tr("No data file loaded!")));
}
else if (_dataFileSample.size() < (qint32)(_pParserModel->dataRow() + 1))
{
previewData.append(QStringList(tr("No data according to data row!")));
}
else
{
for (qint32 idx = 0; idx < _dataFileSample.size(); idx++)
{
previewData.append(_dataFileSample[idx].trimmed().split(_pParserModel->fieldSeparator()));
}

bRet = true;
}

// Add data to table preview component
updatePreviewData(previewData);

if (bRet)
{
// Update layout of table preview component
updatePreviewLayout();
}

}

void LoadFileDialog::updatePreviewData(QList<QStringList> & previewData)
{
// find maximum of columns
qint32 maxCol = 0;
foreach (QStringList col, previewData)
{
if (col.size() > maxCol)
{
maxCol = col.size();
}
}

// Clear data
_pUi->tablePreview->clear();

// Set size (column and row)
_pUi->tablePreview->setColumnCount(maxCol);
_pUi->tablePreview->setRowCount(previewData.size());

// Add data
for(qint32 rowIdx = 0; rowIdx < _pUi->tablePreview->rowCount(); rowIdx++)
{
for(qint32 columnIdx = 0; columnIdx < _pUi->tablePreview->columnCount(); columnIdx++)
{
QStringList rowData = previewData[rowIdx];
QString cellData = QString("");
if (columnIdx < rowData.size())
{
cellData = rowData[columnIdx];
}
_pUi->tablePreview->setItem(rowIdx, columnIdx, new QTableWidgetItem(cellData));
}
}
}

void LoadFileDialog::updatePreviewLayout()
{
for (qint32 rowIdx = 0; rowIdx < _pUi->tablePreview->rowCount(); rowIdx++)
{
for (qint32 columnIdx = 0; columnIdx < _pUi->tablePreview->columnCount(); columnIdx++)
{
if (columnIdx >= (qint32)_pParserModel->column())
{
if (rowIdx == _pParserModel->labelRow())
{
_pUi->tablePreview->item(rowIdx, columnIdx)->setBackgroundColor(_cColorLabel);
}
else if (rowIdx >= (qint32)_pParserModel->dataRow())
{
_pUi->tablePreview->item(rowIdx, columnIdx)->setBackgroundColor(_cColorData);
}
else
{
// nothing to do
}
}
}
}
}

void LoadFileDialog::loadDataFileSample()
{
char buf[2048];
QFile file(_pParserModel->path());
qint32 lineLength;

_dataFileSample.clear();

if (file.open(QIODevice::ReadOnly | QIODevice::Text))
{
_dataFileSample.clear();
while((!file.atEnd()) && (_dataFileSample.size() < _cSampleLineLength))
{
lineLength = file.readLine(buf, sizeof(buf));
if (lineLength > -1)
{
_dataFileSample.append(QString(buf));
}
else
{
_dataFileSample.clear();
break;
}
}
}
}
26 changes: 16 additions & 10 deletions src/dialogs/loadfiledialog.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
#define LoadFileDialog_H

#include <QDialog>
#include <QStringList>

#include "parsermodel.h"
#include "presetparser.h"
Expand Down Expand Up @@ -53,8 +54,6 @@ private slots:

private:

bool validateSettingsData();

typedef struct _ComboListItem
{
_ComboListItem(QString _name, QString _userData)
Expand All @@ -67,23 +66,30 @@ private slots:
QString userData;
} ComboListItem;


static const QList<ComboListItem> _fieldSeparatorList;
static const QList<ComboListItem> _decimalSeparatorList;
static const QList<ComboListItem> _groupSeparatorList;

static const quint32 cPresetManualIndex = 0;
static const quint32 cPresetListOffset = 1;

Ui::LoadFileDialog * _pUi;

ParserModel * _pParserModel;
PresetParser _presetParser;

QStringList _dataFileSample;

bool validateSettingsData();
qint32 findIndexInCombo(QList<ComboListItem> comboItemList, QString userDataKey);
void loadPreset(void);
void setPresetAccordingKeyword(QString filename);
void updatePreview();
void updatePreviewData(QList<QStringList> & previewData);
void updatePreviewLayout();
void loadDataFileSample();

static const QList<ComboListItem> _fieldSeparatorList;
static const QList<ComboListItem> _decimalSeparatorList;
static const QList<ComboListItem> _groupSeparatorList;
static const QColor _cColorLabel;
static const QColor _cColorData;
static const qint32 _cSampleLineLength = 50;
static const quint32 _cPresetManualIndex = 0;
static const quint32 _cPresetListOffset = 1;
};

#endif // LoadFileDialog_H
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