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add strategy support to sqlbrowser example

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Several useful options added to context menu.

Also added yellow background for unsubmitted
changes.

Change-Id: I132cd4498a5fb7275ea10c0497910aba99c06a2b
Reviewed-by: Honglei Zhang <honglei.zhang@nokia.com>
Reviewed-by: Yunqiao Yin <charles.yin@nokia.com>
This commit is contained in:
Mark Brand 2012-02-15 11:23:54 +01:00 committed by Qt by Nokia
parent 698e620aad
commit e999ca25c6
3 changed files with 200 additions and 79 deletions
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75
examples/sql/sqlbrowser/browser.cpp
View File

@ -52,6 +52,12 @@ Browser::Browser(QWidget *parent)
table->addAction(insertRowAction); table->addAction(insertRowAction);
table->addAction(deleteRowAction); table->addAction(deleteRowAction);
table->addAction(fieldStrategyAction);
table->addAction(rowStrategyAction);
table->addAction(manualStrategyAction);
table->addAction(submitAction);
table->addAction(revertAction);
table->addAction(selectAction);
if (QSqlDatabase::drivers().isEmpty()) if (QSqlDatabase::drivers().isEmpty())
QMessageBox::information(this, tr("No database drivers found"), QMessageBox::information(this, tr("No database drivers found"),
@ -144,7 +150,7 @@ void Browser::addConnection()
void Browser::showTable(const QString &t) void Browser::showTable(const QString &t)
{ {
QSqlTableModel *model = new QSqlTableModel(table, connectionWidget->currentDatabase()); QSqlTableModel *model = new CustomModel(table, connectionWidget->currentDatabase());
model->setEditStrategy(QSqlTableModel::OnRowChange); model->setEditStrategy(QSqlTableModel::OnRowChange);
model->setTable(connectionWidget->currentDatabase().driver()->escapeIdentifier(t, QSqlDriver::TableName)); model->setTable(connectionWidget->currentDatabase().driver()->escapeIdentifier(t, QSqlDriver::TableName));
model->select(); model->select();
@ -215,8 +221,6 @@ void Browser::deleteRow()
if (!model) if (!model)
return; return;
model->setEditStrategy(QSqlTableModel::OnManualSubmit);
QModelIndexList currentSelection = table->selectionModel()->selectedIndexes(); QModelIndexList currentSelection = table->selectionModel()->selectedIndexes();
for (int i = 0; i < currentSelection.count(); ++i) { for (int i = 0; i < currentSelection.count(); ++i) {
if (currentSelection.at(i).column() != 0) if (currentSelection.at(i).column() != 0)
@ -224,24 +228,79 @@ void Browser::deleteRow()
model->removeRow(currentSelection.at(i).row()); model->removeRow(currentSelection.at(i).row());
} }
model->submitAll();
model->setEditStrategy(QSqlTableModel::OnRowChange);
updateActions(); updateActions();
} }
void Browser::updateActions() void Browser::updateActions()
{ {
bool enableIns = qobject_cast<QSqlTableModel *>(table->model()); QSqlTableModel * tm = qobject_cast<QSqlTableModel *>(table->model());
bool enableIns = tm;
bool enableDel = enableIns && table->currentIndex().isValid(); bool enableDel = enableIns && table->currentIndex().isValid();
insertRowAction->setEnabled(enableIns); insertRowAction->setEnabled(enableIns);
deleteRowAction->setEnabled(enableDel); deleteRowAction->setEnabled(enableDel);
fieldStrategyAction->setEnabled(tm);
rowStrategyAction->setEnabled(tm);
manualStrategyAction->setEnabled(tm);
submitAction->setEnabled(tm);
revertAction->setEnabled(tm);
selectAction->setEnabled(tm);
if (tm) {
QSqlTableModel::EditStrategy es = tm->editStrategy();
fieldStrategyAction->setChecked(es == QSqlTableModel::OnFieldChange);
rowStrategyAction->setChecked(es == QSqlTableModel::OnRowChange);
manualStrategyAction->setChecked(es == QSqlTableModel::OnManualSubmit);
}
} }
void Browser::about() void Browser::about()
{ {
QMessageBox::about(this, tr("About"), tr("The SQL Browser demonstration " QMessageBox::about(this, tr("About"), tr("The SQL Browser demonstration "
"shows how a data browser can be used to visualize the results of SQL" "shows how a data browser can be used to visualize the results of SQL"
"statements on a live database")); "statements on a live database"));
} }
void Browser::on_fieldStrategyAction_triggered()
{
QSqlTableModel * tm = qobject_cast<QSqlTableModel *>(table->model());
if (tm)
tm->setEditStrategy(QSqlTableModel::OnFieldChange);
}
void Browser::on_rowStrategyAction_triggered()
{
QSqlTableModel * tm = qobject_cast<QSqlTableModel *>(table->model());
if (tm)
tm->setEditStrategy(QSqlTableModel::OnRowChange);
}
void Browser::on_manualStrategyAction_triggered()
{
QSqlTableModel * tm = qobject_cast<QSqlTableModel *>(table->model());
if (tm)
tm->setEditStrategy(QSqlTableModel::OnManualSubmit);
}
void Browser::on_submitAction_triggered()
{
QSqlTableModel * tm = qobject_cast<QSqlTableModel *>(table->model());
if (tm)
tm->submitAll();
}
void Browser::on_revertAction_triggered()
{
QSqlTableModel * tm = qobject_cast<QSqlTableModel *>(table->model());
if (tm)
tm->revertAll();
}
void Browser::on_selectAction_triggered()
{
QSqlTableModel * tm = qobject_cast<QSqlTableModel *>(table->model());
if (tm)
tm->select();
}

20
examples/sql/sqlbrowser/browser.h
View File

@ -43,6 +43,7 @@
#define BROWSER_H #define BROWSER_H
#include <QWidget> #include <QWidget>
#include <QSqlTableModel>
#include "ui_browserwidget.h" #include "ui_browserwidget.h"
class ConnectionWidget; class ConnectionWidget;
@ -77,6 +78,12 @@ public slots:
{ insertRow(); } { insertRow(); }
void on_deleteRowAction_triggered() void on_deleteRowAction_triggered()
{ deleteRow(); } { deleteRow(); }
void on_fieldStrategyAction_triggered();
void on_rowStrategyAction_triggered();
void on_manualStrategyAction_triggered();
void on_submitAction_triggered();
void on_revertAction_triggered();
void on_selectAction_triggered();
void on_connectionWidget_tableActivated(const QString &table) void on_connectionWidget_tableActivated(const QString &table)
{ showTable(table); } { showTable(table); }
void on_connectionWidget_metaDataRequested(const QString &table) void on_connectionWidget_metaDataRequested(const QString &table)
@ -96,4 +103,17 @@ signals:
void statusMessage(const QString &message); void statusMessage(const QString &message);
}; };
class CustomModel: public QSqlTableModel
{
Q_OBJECT
public:
CustomModel(QObject *parent = 0, QSqlDatabase db = QSqlDatabase()):QSqlTableModel(parent, db) {}
QVariant data(const QModelIndex &idx, int role) const
{
if (role == Qt::BackgroundRole && isDirty(idx))
return QBrush(QColor(Qt::yellow));
return QSqlTableModel::data(idx, role);
}
};
#endif #endif

184
examples/sql/sqlbrowser/browserwidget.ui
View File

@ -1,10 +1,8 @@
<ui version="4.0" > <?xml version="1.0" encoding="UTF-8"?>
<author></author> <ui version="4.0">
<comment></comment>
<exportmacro></exportmacro>
<class>Browser</class> <class>Browser</class>
<widget class="QWidget" name="Browser" > <widget class="QWidget" name="Browser">
<property name="geometry" > <property name="geometry">
<rect> <rect>
<x>0</x> <x>0</x>
<y>0</y> <y>0</y>
@ -12,100 +10,90 @@
<height>515</height> <height>515</height>
</rect> </rect>
</property> </property>
<property name="windowTitle" > <property name="windowTitle">
<string>Qt SQL Browser</string> <string>Qt SQL Browser</string>
</property> </property>
<layout class="QVBoxLayout" > <layout class="QVBoxLayout">
<property name="margin" > <property name="spacing">
<number>8</number>
</property>
<property name="spacing" >
<number>6</number> <number>6</number>
</property> </property>
<property name="margin">
<number>8</number>
</property>
<item> <item>
<widget class="QSplitter" name="splitter_2" > <widget class="QSplitter" name="splitter_2">
<property name="sizePolicy" > <property name="sizePolicy">
<sizepolicy> <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
<hsizetype>7</hsizetype>
<vsizetype>7</vsizetype>
<horstretch>0</horstretch> <horstretch>0</horstretch>
<verstretch>0</verstretch> <verstretch>0</verstretch>
</sizepolicy> </sizepolicy>
</property> </property>
<property name="orientation" > <property name="orientation">
<enum>Qt::Horizontal</enum> <enum>Qt::Horizontal</enum>
</property> </property>
<widget class="ConnectionWidget" name="connectionWidget" > <widget class="ConnectionWidget" name="connectionWidget">
<property name="sizePolicy" > <property name="sizePolicy">
<sizepolicy> <sizepolicy hsizetype="Ignored" vsizetype="Expanding">
<hsizetype>13</hsizetype>
<vsizetype>7</vsizetype>
<horstretch>1</horstretch> <horstretch>1</horstretch>
<verstretch>0</verstretch> <verstretch>0</verstretch>
</sizepolicy> </sizepolicy>
</property> </property>
</widget> </widget>
<widget class="QTableView" name="table" > <widget class="QTableView" name="table">
<property name="sizePolicy" > <property name="sizePolicy">
<sizepolicy> <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
<hsizetype>7</hsizetype>
<vsizetype>7</vsizetype>
<horstretch>2</horstretch> <horstretch>2</horstretch>
<verstretch>0</verstretch> <verstretch>0</verstretch>
</sizepolicy> </sizepolicy>
</property> </property>
<property name="contextMenuPolicy" > <property name="contextMenuPolicy">
<enum>Qt::ActionsContextMenu</enum> <enum>Qt::ActionsContextMenu</enum>
</property> </property>
<property name="selectionBehavior" > <property name="selectionBehavior">
<enum>QAbstractItemView::SelectRows</enum> <enum>QAbstractItemView::SelectRows</enum>
</property> </property>
</widget> </widget>
</widget> </widget>
</item> </item>
<item> <item>
<widget class="QGroupBox" name="groupBox" > <widget class="QGroupBox" name="groupBox">
<property name="sizePolicy" > <property name="sizePolicy">
<sizepolicy> <sizepolicy hsizetype="Preferred" vsizetype="MinimumExpanding">
<hsizetype>5</hsizetype>
<vsizetype>3</vsizetype>
<horstretch>0</horstretch> <horstretch>0</horstretch>
<verstretch>0</verstretch> <verstretch>0</verstretch>
</sizepolicy> </sizepolicy>
</property> </property>
<property name="maximumSize" > <property name="maximumSize">
<size> <size>
<width>16777215</width> <width>16777215</width>
<height>180</height> <height>180</height>
</size> </size>
</property> </property>
<property name="title" > <property name="title">
<string>SQL Query</string> <string>SQL Query</string>
</property> </property>
<layout class="QVBoxLayout" > <layout class="QVBoxLayout">
<property name="margin" > <property name="spacing">
<number>9</number>
</property>
<property name="spacing" >
<number>6</number> <number>6</number>
</property> </property>
<property name="margin">
<number>9</number>
</property>
<item> <item>
<widget class="QTextEdit" name="sqlEdit" > <widget class="QTextEdit" name="sqlEdit">
<property name="sizePolicy" > <property name="sizePolicy">
<sizepolicy> <sizepolicy hsizetype="Expanding" vsizetype="MinimumExpanding">
<hsizetype>7</hsizetype>
<vsizetype>3</vsizetype>
<horstretch>0</horstretch> <horstretch>0</horstretch>
<verstretch>0</verstretch> <verstretch>0</verstretch>
</sizepolicy> </sizepolicy>
</property> </property>
<property name="minimumSize" > <property name="minimumSize">
<size> <size>
<width>0</width> <width>0</width>
<height>18</height> <height>18</height>
</size> </size>
</property> </property>
<property name="baseSize" > <property name="baseSize">
<size> <size>
<width>0</width> <width>0</width>
<height>120</height> <height>120</height>
@ -114,19 +102,19 @@
</widget> </widget>
</item> </item>
<item> <item>
<layout class="QHBoxLayout" > <layout class="QHBoxLayout">
<property name="margin" > <property name="spacing">
<number>1</number>
</property>
<property name="spacing" >
<number>6</number> <number>6</number>
</property> </property>
<property name="margin">
<number>1</number>
</property>
<item> <item>
<spacer> <spacer>
<property name="orientation" > <property name="orientation">
<enum>Qt::Horizontal</enum> <enum>Qt::Horizontal</enum>
</property> </property>
<property name="sizeHint" > <property name="sizeHint" stdset="0">
<size> <size>
<width>40</width> <width>40</width>
<height>20</height> <height>20</height>
@ -135,15 +123,15 @@
</spacer> </spacer>
</item> </item>
<item> <item>
<widget class="QPushButton" name="clearButton" > <widget class="QPushButton" name="clearButton">
<property name="text" > <property name="text">
<string>&amp;Clear</string> <string>&amp;Clear</string>
</property> </property>
</widget> </widget>
</item> </item>
<item> <item>
<widget class="QPushButton" name="submitButton" > <widget class="QPushButton" name="submitButton">
<property name="text" > <property name="text">
<string>&amp;Submit</string> <string>&amp;Submit</string>
</property> </property>
</widget> </widget>
@ -154,37 +142,91 @@
</widget> </widget>
</item> </item>
</layout> </layout>
<action name="insertRowAction" > <action name="insertRowAction">
<property name="enabled" > <property name="enabled">
<bool>false</bool> <bool>false</bool>
</property> </property>
<property name="text" > <property name="text">
<string>&amp;Insert Row</string> <string>&amp;Insert Row</string>
</property> </property>
<property name="statusTip" > <property name="statusTip">
<string>Inserts a new Row</string> <string>Inserts a new Row</string>
</property> </property>
</action> </action>
<action name="deleteRowAction" > <action name="deleteRowAction">
<property name="enabled" > <property name="enabled">
<bool>false</bool> <bool>false</bool>
</property> </property>
<property name="text" > <property name="text">
<string>&amp;Delete Row</string> <string>&amp;Delete Row</string>
</property> </property>
<property name="statusTip" > <property name="statusTip">
<string>Deletes the current Row</string> <string>Deletes the current Row</string>
</property> </property>
</action> </action>
<action name="fieldStrategyAction">
<property name="checkable">
<bool>true</bool>
</property>
<property name="text">
<string>Submit on &amp;Field Change</string>
</property>
<property name="toolTip">
<string>Commit on Field Change</string>
</property>
</action>
<action name="rowStrategyAction">
<property name="checkable">
<bool>true</bool>
</property>
<property name="text">
<string>Submit on &amp;Row Change</string>
</property>
<property name="toolTip">
<string>Commit on Row Change</string>
</property>
</action>
<action name="manualStrategyAction">
<property name="checkable">
<bool>true</bool>
</property>
<property name="text">
<string>Submit &amp;Manually</string>
</property>
<property name="toolTip">
<string>Commit Manually</string>
</property>
</action>
<action name="submitAction">
<property name="text">
<string>&amp;Submit All</string>
</property>
<property name="toolTip">
<string>Submit Changes</string>
</property>
</action>
<action name="revertAction">
<property name="text">
<string>&amp;Revert All</string>
</property>
<property name="toolTip">
<string>Revert</string>
</property>
</action>
<action name="selectAction">
<property name="text">
<string>S&amp;elect</string>
</property>
<property name="toolTip">
<string>Refresh Data from Database</string>
</property>
</action>
</widget> </widget>
<pixmapfunction></pixmapfunction>
<customwidgets> <customwidgets>
<customwidget> <customwidget>
<class>ConnectionWidget</class> <class>ConnectionWidget</class>
<extends>QTreeView</extends> <extends>QTreeView</extends>
<header>connectionwidget.h</header> <header>connectionwidget.h</header>
<container>0</container>
<pixmap></pixmap>
</customwidget> </customwidget>
</customwidgets> </customwidgets>
<tabstops> <tabstops>