Go to the documentation of this file.00001 #include "manageindexes.h"
00002 #include "ui_manageindexes.h"
00003 #include <QMessageBox>
00004 ManageIndexes::ManageIndexes(QWidget *parent) :
00005 QDialog(parent),
00006 ui(new Ui::ManageIndexes)
00007 {
00008 ui->setupUi(this);
00009 }
00010
00011 ManageIndexes::~ManageIndexes()
00012 {
00013 delete ui;
00014 }
00015
00016 void ManageIndexes::refreshIndexes() {
00017 db.open();
00018 if (db.isOpen()) {
00019 QSqlQuery qu(db);
00020 ui->lineEdit->setText(dbName);
00021 ui->lineEdit_2->setText(tableName);
00022 ui->treeWidget->clear();
00023 if (qu.exec(tr("show keys from `%1`.`%2`").arg(dbName, tableName))) {
00024 while (qu.next()) {
00025 QSqlRecord rec = qu.record();
00026 QString indName = rec.value("Key_name").toString();
00027 QString cols = rec.value("Column_name").toString();
00028 QTreeWidgetItem *it = new QTreeWidgetItem(ui->treeWidget);
00029 it->setText(0, indName);
00030 it->setText(1, cols);
00031 it->setIcon(0, QIcon("://icons/Icon_43.ico"));
00032 }
00033 }
00034 }
00035 }
00036
00037 void ManageIndexes::on_cmdNewIndex_clicked()
00038 {
00039 IndexEditor ind(this);
00040 ind.db = db;
00041 ind.dbName = dbName;
00042 ind.tableName = tableName;
00043 ind.newIndex();
00044 if (ind.exec()) {
00045 refreshIndexes();
00046 }
00047 }
00048
00049 void ManageIndexes::on_cmdEditIndex_clicked()
00050 {
00051 IndexEditor ind(this);
00052 ind.db = db;
00053 ind.dbName = dbName;
00054 ind.tableName = tableName;
00055 QString currIndex;
00056 if (ui->treeWidget->selectedItems().count() >0)
00057 {
00058 currIndex = ui->treeWidget->currentItem()->text(0);
00059 if (currIndex != "") {
00060 ind.indexName = currIndex;
00061 ind.editIndex();
00062 if (ind.exec()) {
00063 refreshIndexes();
00064 }
00065 }
00066 }else {
00067 QMessageBox::warning(this, "Warning", "Select an index to edit.");
00068 }
00069
00070 }
00071
00072 void ManageIndexes::on_cmdDeleteIndex_clicked()
00073 {
00074 QString currIndex;
00075 if (ui->treeWidget->selectedItems().count() >0)
00076 {
00077 currIndex = ui->treeWidget->currentItem()->text(0);
00078 if (currIndex != "") {
00079 QSqlQuery qu(db);
00080 if (QMessageBox::question(this, "Confirm Delete", tr("Are you sure you want to delete the index '%1'?").arg(currIndex), QMessageBox::Yes, QMessageBox::No) == QMessageBox::Yes) {
00081 if (qu.exec(tr("alter table `%1`.`%2` drop key `%3`").arg(dbName, tableName, currIndex))) {
00082 refreshIndexes();
00083 } else {
00084 QMessageBox::critical(this, "Error", tr("An error occurred while deleting the index '%1'.\n\n").arg(currIndex, qu.lastError().text()));
00085 }
00086 }
00087 }
00088 }else {
00089 QMessageBox::warning(this, "Warning", "Select an index to delete.");
00090 }
00091 }
00092
00093
