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Merge pull request #1422 from GortiZ6/sql_export

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As said by the author GortiZ6:
> I've added the ability to copy fields from tables in SQL format.
> I found much robust and easier copy data in SQL from one DB to another so that if the number of columns differs or if I want to build a single SQL file to share several fields from several table with someone I can do it.
This commit is contained in:
Manuel
2018-07-07 18:31:27 +02:00
committed by GitHub
parent 1130d0c89e 3d2e8205a0
commit cff07955df
4 changed files with 39 additions and 12 deletions
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48
src/ExtendedTableWidget.cpp
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@@ -157,6 +157,7 @@ ExtendedTableWidget::ExtendedTableWidget(QWidget* parent) :
QAction* nullAction = new QAction(tr("Set to NULL"), m_contextMenu);
QAction* copyAction = new QAction(QIcon(":/icons/copy"), tr("Copy"), m_contextMenu);
QAction* copyWithHeadersAction = new QAction(QIcon(":/icons/special_copy"), tr("Copy with Headers"), m_contextMenu);
QAction* copyAsSQLAction = new QAction(QIcon(":/icons/sql_copy"), tr("Copy as SQL"), m_contextMenu);
QAction* pasteAction = new QAction(QIcon(":/icons/paste"), tr("Paste"), m_contextMenu);
QAction* filterAction = new QAction(tr("Use as Filter"), m_contextMenu);
m_contextMenu->addAction(filterAction);
@@ -165,6 +166,7 @@ ExtendedTableWidget::ExtendedTableWidget(QWidget* parent) :
m_contextMenu->addSeparator();
m_contextMenu->addAction(copyAction);
m_contextMenu->addAction(copyWithHeadersAction);
m_contextMenu->addAction(copyAsSQLAction);
m_contextMenu->addAction(pasteAction);
setContextMenuPolicy(Qt::CustomContextMenu);
@@ -177,6 +179,7 @@ ExtendedTableWidget::ExtendedTableWidget(QWidget* parent) :
nullAction->setShortcut(QKeySequence(tr("Alt+Del")));
copyAction->setShortcut(QKeySequence::Copy);
copyWithHeadersAction->setShortcut(QKeySequence(tr("Ctrl+Shift+C")));
copyAsSQLAction->setShortcut(QKeySequence(tr("Ctrl+Alt+C")));
pasteAction->setShortcut(QKeySequence::Paste);
// Set up context menu actions
@@ -188,6 +191,7 @@ ExtendedTableWidget::ExtendedTableWidget(QWidget* parent) :
filterAction->setEnabled(enabled);
copyAction->setEnabled(enabled);
copyWithHeadersAction->setEnabled(enabled);
copyAsSQLAction->setEnabled(enabled);
// Try to find out whether the current view is editable and (de)activate menu options according to that
bool editable = editTriggers() != QAbstractItemView::NoEditTriggers;
@@ -205,10 +209,13 @@ ExtendedTableWidget::ExtendedTableWidget(QWidget* parent) :
model()->setData(index, QVariant());
});
connect(copyAction, &QAction::triggered, [&]() {
copy(false);
copy(false, false);
});
connect(copyWithHeadersAction, &QAction::triggered, [&]() {
copy(true);
copy(true, false);
});
connect(copyAsSQLAction, &QAction::triggered, [&]() {
copy(false, true);
});
connect(pasteAction, &QAction::triggered, [&]() {
paste();
@@ -226,7 +233,7 @@ void ExtendedTableWidget::reloadSettings()
verticalHeader()->setDefaultSectionSize(verticalHeader()->fontMetrics().height()+10);
}
void ExtendedTableWidget::copy(const bool withHeaders)
void ExtendedTableWidget::copy(const bool withHeaders, const bool inSQL )
{
QModelIndexList indices = selectionModel()->selectedIndexes();
@@ -249,7 +256,7 @@ void ExtendedTableWidget::copy(const bool withHeaders)
m_buffer.clear();
// If a single cell is selected, copy it to clipboard
if (!withHeaders && indices.size() == 1) {
if (!inSQL && !withHeaders && indices.size() == 1) {
QImage img;
QVariant data = m->data(indices.first(), Qt::EditRole);
@@ -294,6 +301,7 @@ void ExtendedTableWidget::copy(const bool withHeaders)
}
m_buffer.push_back(lst);
QString sqlResult;
QString result;
QString htmlResult = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">";
htmlResult.append("<html><head><meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\">");
@@ -314,8 +322,9 @@ void ExtendedTableWidget::copy(const bool withHeaders)
const QString fieldSepText = "\t";
const QString rowSepText = "\r\n";
QString sqlInsertStatement = QString("INSERT INTO %1 ( '").arg(sqlb::escapeIdentifier(m->currentTableName().toString()));
// Table headers
if (withHeaders) {
if (withHeaders || inSQL) {
htmlResult.append("<tr><th>");
int firstColumn = indices.front().column();
for(int i = firstColumn; i <= indices.back().column(); i++) {
@@ -323,26 +332,32 @@ void ExtendedTableWidget::copy(const bool withHeaders)
if (i != firstColumn) {
result.append(fieldSepText);
htmlResult.append("</th><th>");
sqlInsertStatement.append("', '");
}
result.append(escapeCopiedData(headerText));
htmlResult.append(headerText);
sqlInsertStatement.append(escapeCopiedData(headerText));
}
result.append(rowSepText);
htmlResult.append("</th></tr>");
sqlInsertStatement.append("') VALUES (\"");
}
// Table data rows
for(const QModelIndex& index : indices) {
// Separators. For first cell, only opening table row tags must be added for the HTML and nothing for the text version.
if (indices.first() == index)
if (indices.first() == index) {
htmlResult.append("<tr><td>");
else if (index.row() != currentRow) {
sqlResult.append(sqlInsertStatement);
} else if (index.row() != currentRow) {
result.append(rowSepText);
htmlResult.append(rowSepHtml);
sqlResult.append("\");\r\n"+sqlInsertStatement);
} else {
result.append(fieldSepText);
htmlResult.append(fieldSepHtml);
sqlResult.append("\", \"");
}
currentRow = index.row();
@@ -362,6 +377,7 @@ void ExtendedTableWidget::copy(const bool withHeaders)
htmlResult.append("<img src=\"data:image/png;base64,");
htmlResult.append(imageBase64);
result.append(QString());
sqlResult.append( "X\'" + ba.toHex() + "\'" );
htmlResult.append("\" alt=\"Image\">");
} else {
QByteArray text;
@@ -375,12 +391,19 @@ void ExtendedTableWidget::copy(const bool withHeaders)
htmlResult.append(QString(text).toHtmlEscaped());
result.append(escapeCopiedData(text));
sqlResult.append(text.replace("\"", "\"\""));
}
}
sqlResult.append("\");");
QMimeData *mimeData = new QMimeData;
mimeData->setHtml(htmlResult + "</td></tr></table></body></html>");
mimeData->setText(result);
if ( inSQL )
{
mimeData->setText(sqlResult);
} else {
mimeData->setHtml(htmlResult + "</td></tr></table></body></html>");
mimeData->setText(result);
}
qApp->clipboard()->setMimeData(mimeData);
}
@@ -541,14 +564,17 @@ void ExtendedTableWidget::keyPressEvent(QKeyEvent* event)
// Call a custom copy method when Ctrl-C is pressed
if(event->matches(QKeySequence::Copy))
{
copy(false);
copy(false, false);
return;
} else if(event->matches(QKeySequence::Paste)) {
// Call a custom paste method when Ctrl-V is pressed
paste();
} else if(event->modifiers().testFlag(Qt::ControlModifier) && event->modifiers().testFlag(Qt::ShiftModifier) && (event->key() == Qt::Key_C)) {
// Call copy with headers when Ctrl-Shift-C is pressed
copy(true);
copy(true, false);
} else if(event->modifiers().testFlag(Qt::ControlModifier) && event->modifiers().testFlag(Qt::AltModifier) && (event->key() == Qt::Key_C)) {
// Call copy in SQL format when Ctrl-Alt-C is pressed
copy(false, true);
} else if(event->key() == Qt::Key_Tab && hasFocus() &&
selectedIndexes().count() == 1 &&
selectedIndexes().at(0).row() == model()->rowCount()-1 && selectedIndexes().at(0).column() == model()->columnCount()-1) {

2
src/ExtendedTableWidget.h
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@@ -50,7 +50,7 @@ signals:
void selectedRowsToBeDeleted();
private:
void copy(const bool withHeaders = false);
void copy(const bool withHeaders, const bool inSQL );
void paste();
QString escapeCopiedData(const QByteArray& data) const;

1
src/icons/icons.qrc
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@@ -60,6 +60,7 @@
<file alias="find">page_find.png</file>
<file alias="close">cross.png</file>
<file alias="special_copy">page_white_copy.png</file>
<file alias="sql_copy">page_copy_sql.png</file>
<file alias="text_replace">text_replace.png</file>
<file alias="image_save">picture_save.png</file>
<file alias="log_dock">application_side_list.png</file>

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