diff -r 000000000000 -r de9c2efb9d02 Plugins/WizardPlugins/QRegExpWizard/QRegExpWizardDialog.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Plugins/WizardPlugins/QRegExpWizard/QRegExpWizardDialog.py Mon Dec 28 16:03:33 2009 +0000
@@ -0,0 +1,532 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2004 - 2009 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the QRegExp wizard dialog.
+"""
+
+import sys
+import os
+
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
+
+from E4Gui.E4Application import e4App
+
+from Ui_QRegExpWizardDialog import Ui_QRegExpWizardDialog
+
+from QRegExpWizardRepeatDialog import QRegExpWizardRepeatDialog
+from QRegExpWizardCharactersDialog import QRegExpWizardCharactersDialog
+
+import UI.PixmapCache
+
+import Utilities
+
+class QRegExpWizardWidget(QWidget, Ui_QRegExpWizardDialog):
+ """
+ Class implementing the QRegExp wizard dialog.
+ """
+ def __init__(self, parent = None, fromEric = True):
+ """
+ Constructor
+
+ @param parent parent widget (QWidget)
+ @param fromEric flag indicating a call from within eric4
+ """
+ QWidget.__init__(self,parent)
+ self.setupUi(self)
+
+ # initialize icons of the tool buttons
+ self.charButton.setIcon(UI.PixmapCache.getIcon("characters.png"))
+ self.anycharButton.setIcon(UI.PixmapCache.getIcon("anychar.png"))
+ self.repeatButton.setIcon(UI.PixmapCache.getIcon("repeat.png"))
+ self.nonGroupButton.setIcon(UI.PixmapCache.getIcon("nongroup.png"))
+ self.groupButton.setIcon(UI.PixmapCache.getIcon("group.png"))
+ self.altnButton.setIcon(UI.PixmapCache.getIcon("altn.png"))
+ self.beglineButton.setIcon(UI.PixmapCache.getIcon("begline.png"))
+ self.endlineButton.setIcon(UI.PixmapCache.getIcon("endline.png"))
+ self.wordboundButton.setIcon(UI.PixmapCache.getIcon("wordboundary.png"))
+ self.nonwordboundButton.setIcon(UI.PixmapCache.getIcon("nonwordboundary.png"))
+ self.poslookaheadButton.setIcon(UI.PixmapCache.getIcon("poslookahead.png"))
+ self.neglookaheadButton.setIcon(UI.PixmapCache.getIcon("neglookahead.png"))
+ self.undoButton.setIcon(UI.PixmapCache.getIcon("editUndo.png"))
+ self.redoButton.setIcon(UI.PixmapCache.getIcon("editRedo.png"))
+
+ self.saveButton = \
+ self.buttonBox.addButton(self.trUtf8("Save"), QDialogButtonBox.ActionRole)
+ self.saveButton.setToolTip(self.trUtf8("Save the regular expression to a file"))
+ self.loadButton = \
+ self.buttonBox.addButton(self.trUtf8("Load"), QDialogButtonBox.ActionRole)
+ self.loadButton.setToolTip(self.trUtf8("Load a regular expression from a file"))
+ self.validateButton = \
+ self.buttonBox.addButton(self.trUtf8("Validate"), QDialogButtonBox.ActionRole)
+ self.validateButton.setToolTip(self.trUtf8("Validate the regular expression"))
+ self.executeButton = \
+ self.buttonBox.addButton(self.trUtf8("Execute"), QDialogButtonBox.ActionRole)
+ self.executeButton.setToolTip(self.trUtf8("Execute the regular expression"))
+ self.nextButton = \
+ self.buttonBox.addButton(self.trUtf8("Next match"),
+ QDialogButtonBox.ActionRole)
+ self.nextButton.setToolTip(\
+ self.trUtf8("Show the next match of the regular expression"))
+ self.nextButton.setEnabled(False)
+
+ if fromEric:
+ self.buttonBox.button(QDialogButtonBox.Close).hide()
+ self.copyButton = None
+ uitype = e4App().getObject("Project").getProjectType()
+ else:
+ self.copyButton = \
+ self.buttonBox.addButton(self.trUtf8("Copy"), QDialogButtonBox.ActionRole)
+ self.copyButton.setToolTip(\
+ self.trUtf8("Copy the regular expression to the clipboard"))
+ self.buttonBox.button(QDialogButtonBox.Ok).hide()
+ self.buttonBox.button(QDialogButtonBox.Cancel).hide()
+ self.variableLabel.hide()
+ self.variableLineEdit.hide()
+ self.variableLine.hide()
+ self.regexpLineEdit.setFocus()
+
+ def __insertString(self, s, steps=0):
+ """
+ Private method to insert a string into line edit and move cursor.
+
+ @param s string to be inserted into the regexp line edit
+ (string)
+ @param steps number of characters to move the cursor (integer).
+ Negative steps moves cursor back, positives forward.
+ """
+ self.regexpLineEdit.insert(s)
+ self.regexpLineEdit.cursorForward(False, steps)
+
+ @pyqtSlot()
+ def on_anycharButton_clicked(self):
+ """
+ Private slot to handle the any character toolbutton.
+ """
+ self.__insertString(".")
+
+ @pyqtSlot()
+ def on_nonGroupButton_clicked(self):
+ """
+ Private slot to handle the non group toolbutton.
+ """
+ self.__insertString("(?:)", -1)
+
+ @pyqtSlot()
+ def on_groupButton_clicked(self):
+ """
+ Private slot to handle the group toolbutton.
+ """
+ self.__insertString("()", -1)
+
+ @pyqtSlot()
+ def on_altnButton_clicked(self):
+ """
+ Private slot to handle the alternatives toolbutton.
+ """
+ self.__insertString("(|)", -2)
+
+ @pyqtSlot()
+ def on_beglineButton_clicked(self):
+ """
+ Private slot to handle the begin line toolbutton.
+ """
+ self.__insertString("^")
+
+ @pyqtSlot()
+ def on_endlineButton_clicked(self):
+ """
+ Private slot to handle the end line toolbutton.
+ """
+ self.__insertString("$")
+
+ @pyqtSlot()
+ def on_wordboundButton_clicked(self):
+ """
+ Private slot to handle the word boundary toolbutton.
+ """
+ self.__insertString("\\b")
+
+ @pyqtSlot()
+ def on_nonwordboundButton_clicked(self):
+ """
+ Private slot to handle the non word boundary toolbutton.
+ """
+ self.__insertString("\\B")
+
+ @pyqtSlot()
+ def on_poslookaheadButton_clicked(self):
+ """
+ Private slot to handle the positive lookahead toolbutton.
+ """
+ self.__insertString("(?=)", -1)
+
+ @pyqtSlot()
+ def on_neglookaheadButton_clicked(self):
+ """
+ Private slot to handle the negative lookahead toolbutton.
+ """
+ self.__insertString("(?!)", -1)
+
+ @pyqtSlot()
+ def on_repeatButton_clicked(self):
+ """
+ Private slot to handle the repeat toolbutton.
+ """
+ dlg = QRegExpWizardRepeatDialog(self)
+ if dlg.exec_() == QDialog.Accepted:
+ self.__insertString(dlg.getRepeat())
+
+ @pyqtSlot()
+ def on_charButton_clicked(self):
+ """
+ Private slot to handle the characters toolbutton.
+ """
+ dlg = QRegExpWizardCharactersDialog(self)
+ if dlg.exec_() == QDialog.Accepted:
+ self.__insertString(dlg.getCharacters())
+
+ def on_buttonBox_clicked(self, button):
+ """
+ Private slot called by a button of the button box clicked.
+
+ @param button button that was clicked (QAbstractButton)
+ """
+ if button == self.validateButton:
+ self.on_validateButton_clicked()
+ elif button == self.executeButton:
+ self.on_executeButton_clicked()
+ elif button == self.saveButton:
+ self.on_saveButton_clicked()
+ elif button == self.loadButton:
+ self.on_loadButton_clicked()
+ elif button == self.nextButton:
+ self.on_nextButton_clicked()
+ elif self.copyButton and button == self.copyButton:
+ self.on_copyButton_clicked()
+
+ @pyqtSlot()
+ def on_saveButton_clicked(self):
+ """
+ Private slot to save the regexp to a file.
+ """
+ fname, selectedFilter = QFileDialog.getSaveFileNameAndFilter(\
+ self,
+ self.trUtf8("Save regular expression"),
+ "",
+ self.trUtf8("RegExp Files (*.rx);;All Files (*)"),
+ None,
+ QFileDialog.Options(QFileDialog.DontConfirmOverwrite))
+ if fname:
+ ext = QFileInfo(fname).suffix()
+ if not ext:
+ ex = selectedFilter.split("(*")[1].split(")")[0]
+ if ex:
+ fname += ex
+ if QFileInfo(fname).exists():
+ res = QMessageBox.warning(self,
+ self.trUtf8("Save regular expression"),
+ self.trUtf8("<p>The file <b>{0}</b> already exists.</p>")
+ .format(fname),
+ QMessageBox.StandardButtons(\
+ QMessageBox.Abort | \
+ QMessageBox.Save),
+ QMessageBox.Abort)
+ if res == QMessageBox.Abort or res == QMessageBox.Cancel:
+ return
+
+ try:
+ f=open(Utilities.toNativeSeparators(fname), "wb")
+ f.write(self.regexpLineEdit.text())
+ f.close()
+ except IOError, err:
+ QMessageBox.information(self,
+ self.trUtf8("Save regular expression"),
+ self.trUtf8("""<p>The regular expression could not be saved.</p>"""
+ """<p>Reason: {0}</p>""").format(unicode(err)))
+
+ @pyqtSlot()
+ def on_loadButton_clicked(self):
+ """
+ Private slot to load a regexp from a file.
+ """
+ fname = QFileDialog.getOpenFileName(\
+ self,
+ self.trUtf8("Load regular expression"),
+ "",
+ self.trUtf8("RegExp Files (*.rx);;All Files (*)"))
+ if fname:
+ try:
+ f=open(Utilities.toNativeSeparators(fname), "rb")
+ regexp = f.read()
+ f.close()
+ self.regexpLineEdit.setText(regexp)
+ except IOError, err:
+ QMessageBox.information(self,
+ self.trUtf8("Save regular expression"),
+ self.trUtf8("""<p>The regular expression could not be saved.</p>"""
+ """<p>Reason: {0}</p>""").format(unicode(err)))
+
+ @pyqtSlot()
+ def on_copyButton_clicked(self):
+ """
+ Private slot to copy the regexp string into the clipboard.
+
+ This slot is only available, if not called from within eric4.
+ """
+ escaped = self.regexpLineEdit.text()
+ if escaped:
+ escaped = escaped.replace("\\", "\\\\")
+ cb = QApplication.clipboard()
+ cb.setText(escaped, QClipboard.Clipboard)
+ if cb.supportsSelection():
+ cb.setText(escaped, QClipboard.Selection)
+
+ @pyqtSlot()
+ def on_validateButton_clicked(self):
+ """
+ Private slot to validate the entered regexp.
+ """
+ regex = self.regexpLineEdit.text()
+ if regex:
+ re = QRegExp(regex)
+ if self.caseSensitiveCheckBox.isChecked():
+ re.setCaseSensitivity(Qt.CaseSensitive)
+ else:
+ re.setCaseSensitivity(Qt.CaseInsensitive)
+ re.setMinimal(self.minimalCheckBox.isChecked())
+ if self.wildcardCheckBox.isChecked():
+ re.setPatternSyntax(QRegExp.Wildcard)
+ else:
+ re.setPatternSyntax(QRegExp.RegExp)
+ if re.isValid():
+ QMessageBox.information(None,
+ self.trUtf8(""),
+ self.trUtf8("""The regular expression is valid."""))
+ else:
+ QMessageBox.critical(None,
+ self.trUtf8("Error"),
+ self.trUtf8("""Invalid regular expression: {0}""")
+ .format(re.errorString()))
+ return
+ else:
+ QMessageBox.critical(None,
+ self.trUtf8("Error"),
+ self.trUtf8("""A regular expression must be given."""))
+
+ @pyqtSlot()
+ def on_executeButton_clicked(self, startpos = 0):
+ """
+ Private slot to execute the entered regexp on the test text.
+
+ This slot will execute the entered regexp on the entered test
+ data and will display the result in the table part of the dialog.
+
+ @param startpos starting position for the regexp matching
+ """
+ regex = self.regexpLineEdit.text()
+ text = self.textTextEdit.toPlainText()
+ if regex and text:
+ re = QRegExp(regex)
+ if self.caseSensitiveCheckBox.isChecked():
+ re.setCaseSensitivity(Qt.CaseSensitive)
+ else:
+ re.setCaseSensitivity(Qt.CaseInsensitive)
+ re.setMinimal(self.minimalCheckBox.isChecked())
+ wildcard = self.wildcardCheckBox.isChecked()
+ if wildcard:
+ re.setPatternSyntax(QRegExp.Wildcard)
+ else:
+ re.setPatternSyntax(QRegExp.RegExp)
+ if not re.isValid():
+ QMessageBox.critical(None,
+ self.trUtf8("Error"),
+ self.trUtf8("""Invalid regular expression: {0}""")
+ .format(re.errorString()))
+ return
+ offset = re.indexIn(text, startpos)
+ captures = re.numCaptures()
+ row = 0
+ OFFSET = 5
+
+ self.resultTable.setColumnCount(0)
+ self.resultTable.setColumnCount(3)
+ self.resultTable.setRowCount(0)
+ self.resultTable.setRowCount(OFFSET)
+ self.resultTable.setItem(row, 0, QTableWidgetItem(self.trUtf8("Regexp")))
+ self.resultTable.setItem(row, 1, QTableWidgetItem(regex))
+
+ if offset != -1:
+ self.lastMatchEnd = offset + re.matchedLength()
+ self.nextButton.setEnabled(True)
+ row += 1
+ self.resultTable.setItem(row, 0, QTableWidgetItem(self.trUtf8("Offset")))
+ self.resultTable.setItem(row, 1, QTableWidgetItem("%d" % offset))
+
+ if not wildcard:
+ row += 1
+ self.resultTable.setItem(row, 0,
+ QTableWidgetItem(self.trUtf8("Captures")))
+ self.resultTable.setItem(row, 1,
+ QTableWidgetItem("%d" % captures))
+ row += 1
+ self.resultTable.setItem(row, 1,
+ QTableWidgetItem(self.trUtf8("Text")))
+ self.resultTable.setItem(row, 2,
+ QTableWidgetItem(self.trUtf8("Characters")))
+
+ row += 1
+ self.resultTable.setItem(row, 0,
+ QTableWidgetItem(self.trUtf8("Match")))
+ self.resultTable.setItem(row, 1,
+ QTableWidgetItem(re.cap(0)))
+ self.resultTable.setItem(row, 2,
+ QTableWidgetItem("%d" % re.matchedLength()))
+
+ if not wildcard:
+ for i in range(1, captures + 1):
+ if len(re.cap(i)) > 0:
+ row += 1
+ self.resultTable.insertRow(row)
+ self.resultTable.setItem(row, 0,
+ QTableWidgetItem(self.trUtf8("Capture #{0}").format(i)))
+ self.resultTable.setItem(row, 1,
+ QTableWidgetItem(re.cap(i)))
+ self.resultTable.setItem(row, 2,
+ QTableWidgetItem("%d" % len(re.cap(i))))
+ else:
+ self.resultTable.setRowCount(3)
+
+ # highlight the matched text
+ tc = self.textTextEdit.textCursor()
+ tc.setPosition(offset)
+ tc.setPosition(self.lastMatchEnd, QTextCursor.KeepAnchor)
+ self.textTextEdit.setTextCursor(tc)
+ else:
+ self.nextButton.setEnabled(False)
+ self.resultTable.setRowCount(2)
+ row += 1
+ if startpos > 0:
+ self.resultTable.setItem(row, 0,
+ QTableWidgetItem(self.trUtf8("No more matches")))
+ else:
+ self.resultTable.setItem(row, 0,
+ QTableWidgetItem(self.trUtf8("No matches")))
+
+ # remove the highlight
+ tc = self.textTextEdit.textCursor()
+ tc.setPosition(0)
+ self.textTextEdit.setTextCursor(tc)
+
+ self.resultTable.resizeColumnsToContents()
+ self.resultTable.resizeRowsToContents()
+ self.resultTable.verticalHeader().hide()
+ self.resultTable.horizontalHeader().hide()
+ else:
+ QMessageBox.critical(None,
+ self.trUtf8("Error"),
+ self.trUtf8("""A regular expression and a text must be given."""))
+
+ @pyqtSlot()
+ def on_nextButton_clicked(self):
+ """
+ Private slot to find the next match.
+ """
+ self.on_executeButton_clicked(self.lastMatchEnd)
+
+ def on_regexpLineEdit_textChanged(self, txt):
+ """
+ Private slot called when the regexp changes.
+
+ @param txt the new text of the line edit (string)
+ """
+ self.nextButton.setEnabled(False)
+
+ def getCode(self, indLevel, indString):
+ """
+ Public method to get the source code.
+
+ @param indLevel indentation level (int)
+ @param indString string used for indentation (space or tab) (string)
+ @return generated code (string)
+ """
+ # calculate the indentation string
+ istring = indLevel * indString
+
+ # now generate the code
+ reVar = self.variableLineEdit.text()
+ if not reVar:
+ reVar = "regexp"
+
+ regexp = self.regexpLineEdit.text()
+
+ code = '%s = QRegExp(r"""%s""")%s' % \
+ (reVar, regexp.replace('"', '\\"'), os.linesep)
+ if not self.caseSensitiveCheckBox.isChecked():
+ code += '%s%s.setCaseSensitivity(Qt.CaseInsensitive)%s' % \
+ (istring, reVar, os.linesep)
+ if self.minimalCheckBox.isChecked():
+ code += '%s%s.setMinimal(1)%s' % (istring, reVar, os.linesep)
+ if self.wildcardCheckBox.isChecked():
+ code += '%s%s.setPatternSyntax(QRegExp.Wildcard)%s' % \
+ (istring, reVar, os.linesep)
+ return code
+
+class QRegExpWizardDialog(QDialog):
+ """
+ Class for the dialog variant.
+ """
+ def __init__(self, parent = None, fromEric = True):
+ """
+ Constructor
+
+ @param parent parent widget (QWidget)
+ @param fromEric flag indicating a call from within eric4
+ """
+ QDialog.__init__(self, parent)
+ self.setModal(fromEric)
+ self.setSizeGripEnabled(True)
+
+ self.__layout = QVBoxLayout(self)
+ self.__layout.setMargin(0)
+ self.setLayout(self.__layout)
+
+ self.cw = QRegExpWizardWidget(self, fromEric)
+ size = self.cw.size()
+ self.__layout.addWidget(self.cw)
+ self.resize(size)
+
+ self.connect(self.cw.buttonBox, SIGNAL("accepted()"), self.accept)
+ self.connect(self.cw.buttonBox, SIGNAL("rejected()"), self.reject)
+
+ def getCode(self, indLevel, indString):
+ """
+ Public method to get the source code.
+
+ @param indLevel indentation level (int)
+ @param indString string used for indentation (space or tab) (string)
+ @return generated code (string)
+ """
+ return self.cw.getCode(indLevel, indString)
+
+class QRegExpWizardWindow(QMainWindow):
+ """
+ Main window class for the standalone dialog.
+ """
+ def __init__(self, parent = None):
+ """
+ Constructor
+
+ @param parent reference to the parent widget (QWidget)
+ """
+ QMainWindow.__init__(self, parent)
+ self.cw = QRegExpWizardWidget(self, fromEric = False)
+ size = self.cw.size()
+ self.setCentralWidget(self.cw)
+ self.resize(size)
+
+ self.connect(self.cw.buttonBox, SIGNAL("accepted()"), self.close)
+ self.connect(self.cw.buttonBox, SIGNAL("rejected()"), self.close)
