- Can create relation classes from the table

- Can add new relations and edit current ones, it apparently works



git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@325 014f5005-505e-4b48-8d0a-63407b615a7c

CHANGELOG

@@ -6,6 +6,7 @@
 - Can check for new version online
 - Can use both PySide and PyQt
 - Removed buttons for adding and deleting tuples
+- Can edit relations within the GUI
 
 1.0
 - Adds history in the GUI

relational_gui/creator.py

@@ -21,7 +21,8 @@ try:
     from PyQt4 import QtCore, QtGui
 except:
     from PySide import QtCore, QtGui
-    
+
+import compatibility
 from relational import relation
 import rel_edit
 
@@ -78,11 +79,30 @@ class creatorForm(QtGui.QDialog):
         self.table.setItem (0,1,i01)
         self.table.setItem (1,0,i10)
         self.table.setItem (1,1,i11)
-
+    def create_relation(self):
-    
+        hlist=[]
-    
+        
+        for i in range(self.table.columnCount()):
+            hlist.append(compatibility.get_py_str(self.table.item(0,i).text()))
+        try:
+            header=relation.header(hlist)
+        except Exception, e:
+            QtGui.QMessageBox.information(None,QtGui.QApplication.translate("Form", "Error"),"%s\n%s" % (QtGui.QApplication.translate("Form", "Header error!"),e.__str__())  )
+        
+        r=relation.relation()
+        r.header=header
+        
+        for i in range(1,self.table.rowCount()):
+            hlist=[]
+            for j in range(self.table.columnCount()):
+                hlist.append(compatibility.get_py_str(self.table.item(i,j).text()))
+            r.content.add(tuple(hlist))
+        return r
     
     def accept(self):
+        
+        self.result_relation=self.create_relation()
+        
         QtGui.QDialog.accept(self)
         pass
     def reject(self):

relational_gui/guihandler.py

@@ -165,14 +165,43 @@ class relForm(QtGui.QMainWindow):
     def editRelation(self):
         import creator
         for i in self.ui.lstRelations.selectedItems():
-            self.relations[compatibility.get_py_str(i.text())]=creator.editRelation(self.relations[compatibility.get_py_str(i.text())])
+            result=creator.editRelation(self.relations[compatibility.get_py_str(i.text())])
+            if result!=None:
+                self.relations[compatibility.get_py_str(i.text())]=result
         self.updateRelations()
     def newRelation(self):
         import creator
-        creator.editRelation()
+        result=creator.editRelation()
-        self.updateRelations()
-        #TODO chose name for the relation
         
+        if result==None:
+            return
+        res=QtGui.QInputDialog.getText(
+                self, 
+                QtGui.QApplication.translate("Form", "New relation"),
+                QtGui.QApplication.translate("Form", "Insert the name for the new relation"),
+                QtGui.QLineEdit.Normal,'')
+        if res[1]==False or len(res[0])==0:
+            return
+            
+        #Patch provided by Angelo 'Havoc' Puglisi
+        name=compatibility.get_py_str(res[0])
+        
+        if not rtypes.is_valid_relation_name(name):
+            r=QtGui.QApplication.translate("Form", str("Wrong name for destination relation: %s." % name))
+            QtGui.QMessageBox.information(self,QtGui.QApplication.translate("Form", "Error"),r)
+            return
+        
+        try:
+            self.relations[name]=result
+        except Exception, e:
+            print e
+            QtGui.QMessageBox.information(None,QtGui.QApplication.translate("Form", "Error"),"%s\n%s" % (QtGui.QApplication.translate("Form", "Check your query!"),e.__str__())  )
+            return
+            
+        
+        self.updateRelations()
+
+            
     def showSurvey(self):
       if self.Survey==None:
         self.Survey=surveyForm.surveyForm()

relational_gui/maingui.py

@@ -2,7 +2,7 @@
 
 # Form implementation generated from reading ui file 'relational_gui/maingui.ui'
 #
-# Created: Thu Oct 13 19:00:44 2011
+# Created: Thu Oct 13 20:42:44 2011
 #      by: PyQt4 UI code generator 4.8.3
 #
 # WARNING! All changes made in this file will be lost!
@@ -148,21 +148,21 @@ class Ui_MainWindow(object):
         self.lstRelations.setMaximumSize(QtCore.QSize(16777215, 16777215))
         self.lstRelations.setObjectName(_fromUtf8("lstRelations"))
         self.verticalLayout.addWidget(self.lstRelations)
+        self.cmdNew = QtGui.QPushButton(self.groupBox)
+        self.cmdNew.setObjectName(_fromUtf8("cmdNew"))
+        self.verticalLayout.addWidget(self.cmdNew)
         self.cmdLoad = QtGui.QPushButton(self.groupBox)
         self.cmdLoad.setObjectName(_fromUtf8("cmdLoad"))
         self.verticalLayout.addWidget(self.cmdLoad)
         self.cmdSave = QtGui.QPushButton(self.groupBox)
         self.cmdSave.setObjectName(_fromUtf8("cmdSave"))
         self.verticalLayout.addWidget(self.cmdSave)
-        self.cmdUnload = QtGui.QPushButton(self.groupBox)
-        self.cmdUnload.setObjectName(_fromUtf8("cmdUnload"))
-        self.verticalLayout.addWidget(self.cmdUnload)
-        self.cmdNew = QtGui.QPushButton(self.groupBox)
-        self.cmdNew.setObjectName(_fromUtf8("cmdNew"))
-        self.verticalLayout.addWidget(self.cmdNew)
         self.cmdEdit = QtGui.QPushButton(self.groupBox)
         self.cmdEdit.setObjectName(_fromUtf8("cmdEdit"))
         self.verticalLayout.addWidget(self.cmdEdit)
+        self.cmdUnload = QtGui.QPushButton(self.groupBox)
+        self.cmdUnload.setObjectName(_fromUtf8("cmdUnload"))
+        self.verticalLayout.addWidget(self.cmdUnload)
         self.groupBox_2 = QtGui.QGroupBox(self.splitter)
         self.groupBox_2.setMinimumSize(QtCore.QSize(0, 0))
         self.groupBox_2.setMaximumSize(QtCore.QSize(300, 16777215))
@@ -334,11 +334,11 @@ class Ui_MainWindow(object):
         self.cmdClearHistory.setText(QtGui.QApplication.translate("MainWindow", "Clear history", None, QtGui.QApplication.UnicodeUTF8))
         self.groupBox.setTitle(QtGui.QApplication.translate("MainWindow", "Relations", None, QtGui.QApplication.UnicodeUTF8))
         self.lstRelations.setSortingEnabled(True)
+        self.cmdNew.setText(QtGui.QApplication.translate("MainWindow", "New relation", None, QtGui.QApplication.UnicodeUTF8))
         self.cmdLoad.setText(QtGui.QApplication.translate("MainWindow", "Load relation", None, QtGui.QApplication.UnicodeUTF8))
         self.cmdSave.setText(QtGui.QApplication.translate("MainWindow", "Save relation", None, QtGui.QApplication.UnicodeUTF8))
-        self.cmdUnload.setText(QtGui.QApplication.translate("MainWindow", "Unload relation", None, QtGui.QApplication.UnicodeUTF8))
-        self.cmdNew.setText(QtGui.QApplication.translate("MainWindow", "New relation", None, QtGui.QApplication.UnicodeUTF8))
         self.cmdEdit.setText(QtGui.QApplication.translate("MainWindow", "Edit relation", None, QtGui.QApplication.UnicodeUTF8))
+        self.cmdUnload.setText(QtGui.QApplication.translate("MainWindow", "Unload relation", None, QtGui.QApplication.UnicodeUTF8))
         self.groupBox_2.setTitle(QtGui.QApplication.translate("MainWindow", "Attributes", None, QtGui.QApplication.UnicodeUTF8))
         self.txtResult.setText(QtGui.QApplication.translate("MainWindow", "_last1", None, QtGui.QApplication.UnicodeUTF8))
         self.label.setText(QtGui.QApplication.translate("MainWindow", "=", None, QtGui.QApplication.UnicodeUTF8))

relational_gui/maingui.ui

@@ -291,6 +291,13 @@
             </property>
            </widget>
           </item>
+          <item>
+           <widget class="QPushButton" name="cmdNew">
+            <property name="text">
+             <string>New relation</string>
+            </property>
+           </widget>
+          </item>
           <item>
            <widget class="QPushButton" name="cmdLoad">
             <property name="text">
@@ -305,20 +312,6 @@
             </property>
            </widget>
           </item>
-          <item>
-           <widget class="QPushButton" name="cmdUnload">
-            <property name="text">
-             <string>Unload relation</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QPushButton" name="cmdNew">
-            <property name="text">
-             <string>New relation</string>
-            </property>
-           </widget>
-          </item>
           <item>
            <widget class="QPushButton" name="cmdEdit">
             <property name="text">
@@ -326,6 +319,13 @@
             </property>
            </widget>
           </item>
+          <item>
+           <widget class="QPushButton" name="cmdUnload">
+            <property name="text">
+             <string>Unload relation</string>
+            </property>
+           </widget>
+          </item>
          </layout>
         </widget>
         <widget class="QGroupBox" name="groupBox_2">

relational_gui/survey.py

@@ -2,7 +2,7 @@
 
 # Form implementation generated from reading ui file 'relational_gui/survey.ui'
 #
-# Created: Thu Oct 13 19:00:44 2011
+# Created: Thu Oct 13 20:42:44 2011
 #      by: PyQt4 UI code generator 4.8.3
 #
 # WARNING! All changes made in this file will be lost!

relational_pyside/maingui.py

@@ -2,7 +2,7 @@
 
 # Form implementation generated from reading ui file 'relational_pyside/maingui.ui'
 #
-# Created: Thu Oct 13 19:00:44 2011
+# Created: Thu Oct 13 20:42:44 2011
 #      by: pyside-uic 0.2.13 running on PySide 1.0.7
 #
 # WARNING! All changes made in this file will be lost!
@@ -143,21 +143,21 @@ class Ui_MainWindow(object):
         self.lstRelations.setMaximumSize(QtCore.QSize(16777215, 16777215))
         self.lstRelations.setObjectName("lstRelations")
         self.verticalLayout.addWidget(self.lstRelations)
+        self.cmdNew = QtGui.QPushButton(self.groupBox)
+        self.cmdNew.setObjectName("cmdNew")
+        self.verticalLayout.addWidget(self.cmdNew)
         self.cmdLoad = QtGui.QPushButton(self.groupBox)
         self.cmdLoad.setObjectName("cmdLoad")
         self.verticalLayout.addWidget(self.cmdLoad)
         self.cmdSave = QtGui.QPushButton(self.groupBox)
         self.cmdSave.setObjectName("cmdSave")
         self.verticalLayout.addWidget(self.cmdSave)
-        self.cmdUnload = QtGui.QPushButton(self.groupBox)
-        self.cmdUnload.setObjectName("cmdUnload")
-        self.verticalLayout.addWidget(self.cmdUnload)
-        self.cmdNew = QtGui.QPushButton(self.groupBox)
-        self.cmdNew.setObjectName("cmdNew")
-        self.verticalLayout.addWidget(self.cmdNew)
         self.cmdEdit = QtGui.QPushButton(self.groupBox)
         self.cmdEdit.setObjectName("cmdEdit")
         self.verticalLayout.addWidget(self.cmdEdit)
+        self.cmdUnload = QtGui.QPushButton(self.groupBox)
+        self.cmdUnload.setObjectName("cmdUnload")
+        self.verticalLayout.addWidget(self.cmdUnload)
         self.groupBox_2 = QtGui.QGroupBox(self.splitter)
         self.groupBox_2.setMinimumSize(QtCore.QSize(0, 0))
         self.groupBox_2.setMaximumSize(QtCore.QSize(300, 16777215))
@@ -329,11 +329,11 @@ class Ui_MainWindow(object):
         self.cmdClearHistory.setText(QtGui.QApplication.translate("MainWindow", "Clear history", None, QtGui.QApplication.UnicodeUTF8))
         self.groupBox.setTitle(QtGui.QApplication.translate("MainWindow", "Relations", None, QtGui.QApplication.UnicodeUTF8))
         self.lstRelations.setSortingEnabled(True)
+        self.cmdNew.setText(QtGui.QApplication.translate("MainWindow", "New relation", None, QtGui.QApplication.UnicodeUTF8))
         self.cmdLoad.setText(QtGui.QApplication.translate("MainWindow", "Load relation", None, QtGui.QApplication.UnicodeUTF8))
         self.cmdSave.setText(QtGui.QApplication.translate("MainWindow", "Save relation", None, QtGui.QApplication.UnicodeUTF8))
-        self.cmdUnload.setText(QtGui.QApplication.translate("MainWindow", "Unload relation", None, QtGui.QApplication.UnicodeUTF8))
-        self.cmdNew.setText(QtGui.QApplication.translate("MainWindow", "New relation", None, QtGui.QApplication.UnicodeUTF8))
         self.cmdEdit.setText(QtGui.QApplication.translate("MainWindow", "Edit relation", None, QtGui.QApplication.UnicodeUTF8))
+        self.cmdUnload.setText(QtGui.QApplication.translate("MainWindow", "Unload relation", None, QtGui.QApplication.UnicodeUTF8))
         self.groupBox_2.setTitle(QtGui.QApplication.translate("MainWindow", "Attributes", None, QtGui.QApplication.UnicodeUTF8))
         self.txtResult.setText(QtGui.QApplication.translate("MainWindow", "_last1", None, QtGui.QApplication.UnicodeUTF8))
         self.label.setText(QtGui.QApplication.translate("MainWindow", "=", None, QtGui.QApplication.UnicodeUTF8))

relational_pyside/survey.py

@@ -2,7 +2,7 @@
 
 # Form implementation generated from reading ui file 'relational_pyside/survey.ui'
 #
-# Created: Thu Oct 13 19:00:44 2011
+# Created: Thu Oct 13 20:42:44 2011
 #      by: pyside-uic 0.2.13 running on PySide 1.0.7
 #
 # WARNING! All changes made in this file will be lost!