Add 'History' tab, showing the current page's list of previous revisions. fixes #561

weboob/applications/qwebcontentedit/main_window.py

@@ -20,7 +20,8 @@
 import logging
 from copy import deepcopy
 from PyQt4.QtCore import SIGNAL
-from PyQt4.QtGui import QMessageBox
+from PyQt4.QtGui import QMessageBox, QTableWidgetItem
+from PyQt4.QtCore import Qt
 
 from weboob.tools.application.qt import QtMainWindow, QtDo
 from weboob.tools.application.qt.backendcfg import BackendCfg
@@ -46,6 +47,9 @@ class MainWindow(QtMainWindow):
         self.connect(self.ui.saveButton, SIGNAL("clicked()"), self.savePage)
         self.connect(self.ui.actionBackends, SIGNAL("triggered()"), self.backendsConfig)
         self.connect(self.ui.contentEdit, SIGNAL("textChanged()"), self._textChanged)
+        self.connect(self.ui.loadHistoryButton,
+                     SIGNAL("clicked()"),
+                     self.loadHistory)
 
         if self.weboob.count_backends() == 0:
             self.backendsConfig()
@@ -66,6 +70,9 @@ class MainWindow(QtMainWindow):
         if self.ui.tabWidget.currentIndex() == 1:
             if self.backend is not None:
                 self.showPreview()
+        elif self.ui.tabWidget.currentIndex() == 2:
+            if self.backend is not None:
+                self.loadHistory()
 
     def _textChanged(self):
         if self.backend:
@@ -143,5 +150,53 @@ class MainWindow(QtMainWindow):
 
     def showPreview(self):
         tmp_content = deepcopy(self.content)
-        tmp_content.content=unicode(self.ui.contentEdit.toPlainText())
+        tmp_content.content = unicode(self.ui.contentEdit.toPlainText())
         self.ui.previewEdit.setHtml(self.backend.get_content_preview(tmp_content))
+
+    def loadHistory(self):
+        """ Loads the page's log into the 'History' tab """
+        if self.backend is None:
+            return
+
+        self.ui.loadHistoryButton.setEnabled(False)
+        self.ui.loadHistoryButton.setText("Loading...")
+        self.ui.historyTable.clear()
+        self.ui.historyTable.setRowCount(0)
+
+        self.ui.historyTable.setHorizontalHeaderLabels(["Revision", "Time", "Author", "Summary"])
+        self.ui.historyTable.setColumnWidth(3, 1000)
+        
+        self.process = QtDo(self.weboob, self._gotRevision)
+        self.process.do('iter_revisions',
+                        self.content.id,
+                        max_results=self.ui.nbRevBox.value(),
+                        backends=(self.backend,))
+
+    def _gotRevision(self, backend, revision):
+        """ Callback for loadHistory's QtDo """
+        if not backend:
+            self.process = None
+            self.ui.loadHistoryButton.setEnabled(True)
+            self.ui.loadHistoryButton.setText("Reload")
+            return
+
+        # we set the flags to Qt.ItemIsEnabled so that the items
+        # are not modifiable
+        item_revision = QTableWidgetItem(revision.revision)
+        item_revision.setFlags(Qt.ItemIsEnabled)
+        
+        item_time = QTableWidgetItem(revision.timestamp.strftime('%Y-%m-%d %H:%M:%S'))
+        item_time.setFlags(Qt.ItemIsEnabled)
+        
+        item_author = QTableWidgetItem(revision.author)
+        item_author.setFlags(Qt.ItemIsEnabled)
+        
+        item_summary = QTableWidgetItem(revision.comment)
+        item_summary.setFlags(Qt.ItemIsEnabled)
+        
+        row = self.ui.historyTable.currentRow() + 1
+        self.ui.historyTable.insertRow(row)
+        self.ui.historyTable.setItem(row, 0, item_revision)
+        self.ui.historyTable.setItem(row, 1, item_time)
+        self.ui.historyTable.setItem(row, 2, item_author)
+        self.ui.historyTable.setItem(row, 3, item_summary)