File indexing completed on 2024-05-12 16:39:54

 /* This file is part of the KDE project
    Copyright (C) 2006 Jarosław Staniek <staniek@kde.org>
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this program; see the file COPYING.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
 */
 
 #include "utils.h"
 #include "utils_p.h"
 #include <KexiIcon.h>
 
 #include <KDb>
 
 #include <KStandardGuiItem>
 
 #include <QThread>
 #include <QHeaderView>
 #include <QPushButton>
 #include <QTabWidget>
 #include <QVBoxLayout>
 #include <QDebug>
 
 static DebugWindow* debugWindow = 0;
 static QTabWidget* debugWindowTab = 0;
 static KexiDBDebugTreeWidget* kexiDBDebugPage = 0;
 static QTreeWidget* kexiAlterTableActionDebugPage = 0;
 
 static void addKexiDBDebug(const QString& text)
 {
     // (this is internal code - do not use i18n() here)
     if (!debugWindowTab)
         return;
     if (QThread::currentThread() != debugWindowTab->thread()) {
 //! @todo send debug using async. signal
         qWarning() << "Debugging from different thread not supported.";
         return;
     }
     if (!kexiDBDebugPage) {
         QWidget *page = new QWidget(debugWindowTab);
         QVBoxLayout *vbox = new QVBoxLayout(page);
         QHBoxLayout *hbox = new QHBoxLayout;
         vbox->addLayout(hbox);
         hbox->addStretch(1);
         QPushButton *btn_copy = new QPushButton(page);
         btn_copy->setIcon(koSmallIcon("edit-copy"));
         hbox->addWidget(btn_copy);
         QPushButton *btn_clear = new QPushButton(KStandardGuiItem::clear().icon(), KStandardGuiItem::clear().text(), page);
         hbox->addWidget(btn_clear);
 
         kexiDBDebugPage = new KexiDBDebugTreeWidget(page);
         kexiDBDebugPage->setObjectName("kexiDbDebugPage");
         kexiDBDebugPage->setFont(KexiUtils::smallestReadableFont());
         QObject::connect(btn_copy, SIGNAL(clicked()), kexiDBDebugPage, SLOT(copy()));
         QObject::connect(btn_clear, SIGNAL(clicked()), kexiDBDebugPage, SLOT(clear()));
         vbox->addWidget(kexiDBDebugPage);
         kexiDBDebugPage->setHeaderLabel(QString());
         kexiDBDebugPage->header()->hide();
         kexiDBDebugPage->setSortingEnabled(false);
         kexiDBDebugPage->setAllColumnsShowFocus(true);
         kexiDBDebugPage->header()->setSectionResizeMode(0, QHeaderView::Stretch);
         kexiDBDebugPage->header()->setStretchLastSection(true);
         kexiDBDebugPage->setRootIsDecorated(true);
         kexiDBDebugPage->setWordWrap(true);
         kexiDBDebugPage->setAlternatingRowColors(true);
         debugWindowTab->addTab(page, "KDb");
         debugWindowTab->setCurrentWidget(page);
         kexiDBDebugPage->show();
     }
     //add \n after (about) every 30 characters
     QTreeWidgetItem * lastItem = kexiDBDebugPage->invisibleRootItem()->child(
         kexiDBDebugPage->invisibleRootItem()->childCount()-1);
     QTreeWidgetItem* li;
     if (lastItem) {
         li = new QTreeWidgetItem(kexiDBDebugPage, lastItem);
     }
     else {
         li = new QTreeWidgetItem(kexiDBDebugPage->invisibleRootItem());
     }
     li->setText(0, text);
     li->setToolTip(0, text);
     li->setExpanded(true);
 }
 
 static void addAlterTableActionDebug(const QString& text, int nestingLevel)
 {
     // (this is internal code - do not use i18n() here)
     if (!debugWindowTab)
         return;
     if (!kexiAlterTableActionDebugPage) {
         QWidget *page = new QWidget(debugWindowTab);
         QVBoxLayout *vbox = new QVBoxLayout(page);
         QHBoxLayout *hbox = new QHBoxLayout(page);
         vbox->addLayout(hbox);
         hbox->addStretch(1);
         QPushButton *btn_exec = new QPushButton(KStandardGuiItem::save().icon(), "Real Alter Table", page);
         btn_exec->setObjectName("executeRealAlterTable");
         hbox->addWidget(btn_exec);
         QPushButton *btn_clear = new QPushButton(KStandardGuiItem::clear().icon(), KStandardGuiItem::clear().text(), page);
         hbox->addWidget(btn_clear);
         QPushButton *btn_sim = new QPushButton(QIcon::fromTheme("system-run"), "Simulate Execution", page);
         btn_sim->setObjectName("simulateAlterTableExecution");
         hbox->addWidget(btn_sim);
 
         kexiAlterTableActionDebugPage = new QTreeWidget(page);
         kexiAlterTableActionDebugPage->setFont(KexiUtils::smallestReadableFont());
         kexiAlterTableActionDebugPage->setObjectName("kexiAlterTableActionDebugPage");
         QObject::connect(btn_clear, SIGNAL(clicked()), kexiAlterTableActionDebugPage, SLOT(clear()));
         vbox->addWidget(kexiAlterTableActionDebugPage);
         kexiAlterTableActionDebugPage->setHeaderLabel(QString());
         kexiAlterTableActionDebugPage->header()->hide();
         kexiAlterTableActionDebugPage->setSortingEnabled(false);
         kexiAlterTableActionDebugPage->setAllColumnsShowFocus(true);
         kexiAlterTableActionDebugPage->header()->setSectionResizeMode(0, QHeaderView::Stretch);
         kexiAlterTableActionDebugPage->setRootIsDecorated(true);
         debugWindowTab->addTab(page, "AlterTable Actions");
         debugWindowTab->setCurrentWidget(page);
         page->show();
     }
     if (text.isEmpty()) //don't move up!
         return;
     QTreeWidgetItem * li;
     int availableNestingLevels = 0;
     // compute availableNestingLevels
     QTreeWidgetItem * lastItem = kexiAlterTableActionDebugPage->invisibleRootItem()->child(
         kexiAlterTableActionDebugPage->invisibleRootItem()->childCount()-1);
     //qDebug() << "lastItem: " << (lastItem ? lastItem->text(0) : QString());
     while (lastItem) {
         lastItem = lastItem->parent();
         availableNestingLevels++;
     }
     //qDebug() << "availableNestingLevels: " << availableNestingLevels;
     //go up (availableNestingLevels-levelsToGoUp) levels
     lastItem = kexiAlterTableActionDebugPage->invisibleRootItem()->child(
         kexiAlterTableActionDebugPage->invisibleRootItem()->childCount()-1);
     int levelsToGoUp = availableNestingLevels - nestingLevel;
     while (levelsToGoUp > 0 && lastItem) {
         lastItem = lastItem->parent();
         levelsToGoUp--;
     }
     //qDebug() << "lastItem2: " << (lastItem ? lastItem->text(0) : QString());
     if (lastItem) {
         if (lastItem->childCount() > 0) {
                li = new QTreeWidgetItem(lastItem, lastItem->child(lastItem->childCount()-1));   //child, after
         }
         else {
                li = new QTreeWidgetItem(lastItem);   //1st child
         }
     } else {
         lastItem = kexiAlterTableActionDebugPage->invisibleRootItem()->child(
             kexiAlterTableActionDebugPage->invisibleRootItem()->childCount()-1);
         while (lastItem && lastItem->parent()) {
             lastItem = lastItem->parent();
         }
         //qDebug() << "lastItem2: " << (lastItem ? lastItem->text(0) : QString());
         if (lastItem && lastItem->parent())
              li = new QTreeWidgetItem(lastItem->parent(), lastItem);   //after
         else if (!lastItem)
              li = new QTreeWidgetItem(kexiAlterTableActionDebugPage->invisibleRootItem());
         else if (!lastItem->parent())
              li = new QTreeWidgetItem(kexiAlterTableActionDebugPage->invisibleRootItem(), lastItem);
     }
         li->setText(0, text);
         li->setExpanded(true);
 }
 
 QWidget *KexiUtils::createDebugWindow(QWidget *parent)
 {
     Q_UNUSED(parent);
     KDb::setDebugGUIHandler(addKexiDBDebug);
     KDb::setAlterTableActionDebugHandler(addAlterTableActionDebug);
 
     // (this is internal code - do not use i18n() here)
     debugWindow = new DebugWindow(parent);
     QBoxLayout *lyr = new QVBoxLayout(debugWindow);
     debugWindowTab = new QTabWidget(debugWindow);
     debugWindowTab->setObjectName("debugWindowTab");
     lyr->addWidget(debugWindowTab);
     debugWindow->resize(900, 600);
     debugWindow->setWindowIcon(koIcon("document-properties"));
     debugWindow->setWindowTitle("Kexi Internal Debugger");
     debugWindow->show();
     return debugWindow;
 }
 
 void KexiUtils::connectPushButtonActionForDebugWindow(const char* actionName,
         const QObject *receiver, const char* slot)
 {
     if (debugWindow) {
         QPushButton* btn = KexiUtils::findFirstChild<QPushButton*>(
                                debugWindow, "QPushButton", actionName);
         if (btn)
             QObject::connect(btn, SIGNAL(clicked()), receiver, slot);
     }
 }