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00020
00021 #include "FindDialog.h"
00022
00023 #include <cassert>
00024
00025 #include <QLabel>
00026 #include <QLineEdit>
00027 #include <QPushButton>
00028 #include <QCheckBox>
00029 #include <QTextEdit>
00030 #include <QTextDocument>
00031 #include <QGridLayout>
00032 #include <QButtonGroup>
00033 #include <QGroupBox>
00034
00035 #include <FindDialog.moc>
00036
00037 namespace Aseba
00038 {
00039 FindDialog::FindDialog(QWidget *parent, QTextEdit* editor):
00040 QDialog(parent),
00041 editor(editor)
00042 {
00043 setWindowTitle(tr("Aseba Studio - Search and Replace"));
00044
00045 QLabel* label = new QLabel(tr("&Search for:"));
00046 findLineEdit = new QLineEdit;
00047 label->setBuddy(findLineEdit);
00048 QHBoxLayout *entryLayout = new QHBoxLayout;
00049 entryLayout->addWidget(label);
00050 entryLayout->addWidget(findLineEdit);
00051
00052 caseCheckBox = new QCheckBox(tr("&Case sensitive"));
00053 wholeWordsCheckBox = new QCheckBox(tr("&Whole words"));
00054 regularExpressionsCheckBox = new QCheckBox(tr("Re&gular expressions"));
00055 QHBoxLayout *optionsLayout = new QHBoxLayout;
00056 optionsLayout->addWidget(caseCheckBox);
00057 optionsLayout->addWidget(wholeWordsCheckBox);
00058 optionsLayout->addWidget(regularExpressionsCheckBox);
00059
00060 findNextButton = new QPushButton(tr("&Find Next"));
00061 findNextButton->setDefault(true);
00062 findPreviousButton = new QPushButton(tr("Find &Previous"));
00063 findFromTopButton = new QPushButton(tr("Find from &Top"));
00064 QHBoxLayout *buttonsLayout = new QHBoxLayout;
00065 buttonsLayout->addWidget(findNextButton);
00066 buttonsLayout->addWidget(findPreviousButton);
00067 buttonsLayout->addWidget(findFromTopButton);
00068
00069 warningText = new QLabel;
00070 warningText->setStyleSheet("color: darkred; font-weight: bold");
00071
00072 replaceGroupBox = new QGroupBox(tr("&Replace"));
00073 replaceGroupBox->setCheckable(true);
00074 replaceGroupBox->setChecked(false);
00075 label = new QLabel(tr("w&ith:"));
00076 QHBoxLayout *entryLayout2 = new QHBoxLayout;
00077 replaceLineEdit = new QLineEdit;
00078 label->setBuddy(replaceLineEdit);
00079 entryLayout2->addWidget(label);
00080 entryLayout2->addWidget(replaceLineEdit);
00081 replaceFindNextButton = new QPushButton(tr("Replace and\nFind &Next"));
00082 replaceFindPreviousButton = new QPushButton(tr("Replace and\nFind Previo&us"));
00083 replaceAllButton = new QPushButton(tr("Replace &All\nOccurrences"));
00084 QHBoxLayout *buttonsLayout2 = new QHBoxLayout;
00085 buttonsLayout2->addWidget(replaceFindNextButton);
00086 buttonsLayout2->addWidget(replaceFindPreviousButton);
00087 buttonsLayout2->addWidget(replaceAllButton);
00088 QVBoxLayout *replaceLayout = new QVBoxLayout;
00089 replaceLayout->addLayout(entryLayout2);
00090 replaceLayout->addLayout(buttonsLayout2);
00091 replaceGroupBox->setLayout(replaceLayout);
00092
00093 QVBoxLayout* layout = new QVBoxLayout;
00094 layout->addLayout(entryLayout);
00095 layout->addLayout(optionsLayout);
00096 layout->addLayout(buttonsLayout);
00097 layout->addWidget(warningText);
00098 layout->addWidget(replaceGroupBox);
00099
00100 setLayout(layout);
00101
00102 connect(findNextButton, SIGNAL(clicked()), SLOT(findNext()));
00103 connect(findPreviousButton, SIGNAL(clicked()), SLOT(findPrevious()));
00104 connect(findFromTopButton, SIGNAL(clicked()), SLOT(findFromTop()));
00105 connect(replaceFindNextButton, SIGNAL(clicked()), SLOT(replaceFindNext()));
00106 connect(replaceFindPreviousButton, SIGNAL(clicked()), SLOT(replaceFindPrevious()));
00107 connect(replaceAllButton, SIGNAL(clicked()), SLOT(replaceAll()));
00108 }
00109
00110 void FindDialog::setFindText(const QString& text)
00111 {
00112 findLineEdit->setText(text);
00113 }
00114
00115 void FindDialog::findNext()
00116 {
00117 find(editor->textCursor(), QTextDocument::FindFlag(0));
00118 }
00119
00120 void FindDialog::findPrevious()
00121 {
00122 find(editor->textCursor(), QTextDocument::FindBackward);
00123 }
00124
00125 void FindDialog::findFromTop()
00126 {
00127 find(QTextCursor(editor->document()), QTextDocument::FindFlag(0));
00128 }
00129
00130 void FindDialog::replaceFindNext()
00131 {
00132 replace();
00133 find(editor->textCursor(), QTextDocument::FindFlag(0));
00134 }
00135
00136 void FindDialog::replaceFindPrevious()
00137 {
00138 replace();
00139 find(editor->textCursor(), QTextDocument::FindBackward);
00140 }
00141
00142 void FindDialog::replaceAll()
00143 {
00144 QTextCursor c(editor->document());
00145 while (find(c, QTextDocument::FindFlag(0)))
00146 {
00147 replace();
00148 c = editor->textCursor();
00149 }
00150 }
00151
00152 bool FindDialog::find(const QTextCursor cc, const QTextDocument::FindFlag dir)
00153 {
00154 assert(editor);
00155
00156
00157
00158 QTextDocument::FindFlags flags(dir);
00159 QTextCursor nc;
00160
00161
00162 if (wholeWordsCheckBox->isChecked())
00163 flags |= QTextDocument::FindWholeWords;
00164 if (regularExpressionsCheckBox->isChecked())
00165 {
00166 Qt::CaseSensitivity cs;
00167 if (caseCheckBox->isChecked())
00168 cs = Qt::CaseSensitive;
00169 else
00170 cs = Qt::CaseInsensitive;
00171 nc = editor->document()->find(QRegExp(findLineEdit->text(), cs), cc ,flags);
00172 }
00173 else
00174 {
00175 if (caseCheckBox->isChecked())
00176 flags |= QTextDocument::FindCaseSensitively;
00177 nc = editor->document()->find(findLineEdit->text(), cc ,flags);
00178 }
00179
00180
00181 if (nc.isNull())
00182 {
00183 nc = QTextCursor(editor->document());
00184 if (dir == QTextDocument::FindBackward)
00185 nc.movePosition(QTextCursor::End);
00186 warningText->setText(tr("End of document reached!"));
00187 editor->setTextCursor(nc);
00188 return false;
00189 }
00190 else
00191 {
00192 warningText->setText("");
00193 editor->setTextCursor(nc);
00194 return true;
00195 }
00196 }
00197
00198 void FindDialog::replace()
00199 {
00200 QTextCursor cc(editor->textCursor());
00201 if (cc.isNull() || !cc.hasSelection())
00202 return;
00203 if (replaceGroupBox->isChecked())
00204 {
00205 const int p = std::min(cc.anchor(), cc.position());
00206 const int l = replaceLineEdit->text().length();
00207 cc.insertText(replaceLineEdit->text());
00208 cc.setPosition(p);
00209 cc.setPosition(p+l, QTextCursor::KeepAnchor);
00210 editor->setTextCursor(cc);
00211 }
00212 }
00213 }
