From f14f63daf2b613d1a38ab268f3b3385972b5237a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Schreiner?= <clement@mux.me>
Date: Sat, 24 Mar 2012 18:32:13 +0100
Subject: [PATCH] Add 'History' tab, showing the current page's list of
 previous revisions. fixes #561

---
 .../qwebcontentedit/main_window.py            | 59 +++++++++++++-
 .../qwebcontentedit/ui/main_window.ui         | 77 ++++++++++++++++++-
 2 files changed, 130 insertions(+), 6 deletions(-)

diff --git a/weboob/applications/qwebcontentedit/main_window.py b/weboob/applications/qwebcontentedit/main_window.py
index 0e127ada..f8dd2b6e 100644
--- a/weboob/applications/qwebcontentedit/main_window.py
+++ b/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)
diff --git a/weboob/applications/qwebcontentedit/ui/main_window.ui b/weboob/applications/qwebcontentedit/ui/main_window.ui
index 15675510..3126beca 100644
--- a/weboob/applications/qwebcontentedit/ui/main_window.ui
+++ b/weboob/applications/qwebcontentedit/ui/main_window.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>498</width>
-    <height>543</height>
+    <width>608</width>
+    <height>609</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -69,6 +69,75 @@
         </item>
        </layout>
       </widget>
+      <widget class="QWidget" name="tab_3">
+       <attribute name="title">
+        <string>History</string>
+       </attribute>
+       <layout class="QVBoxLayout" name="verticalLayout_4">
+        <item>
+         <widget class="QTableWidget" name="historyTable">
+          <column>
+           <property name="text">
+            <string>New Column</string>
+           </property>
+          </column>
+          <column>
+           <property name="text">
+            <string>Time</string>
+           </property>
+          </column>
+          <column>
+           <property name="text">
+            <string>Author</string>
+           </property>
+          </column>
+          <column>
+           <property name="text">
+            <string>Summary</string>
+           </property>
+          </column>
+         </widget>
+        </item>
+        <item>
+         <layout class="QHBoxLayout" name="horizontalLayout">
+          <item>
+           <spacer name="horizontalSpacer">
+            <property name="orientation">
+             <enum>Qt::Horizontal</enum>
+            </property>
+            <property name="sizeHint" stdset="0">
+             <size>
+              <width>40</width>
+              <height>20</height>
+             </size>
+            </property>
+           </spacer>
+          </item>
+          <item>
+           <widget class="QLabel" name="nbRevisionsLabel">
+            <property name="text">
+             <string>Number of revisions</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QSpinBox" name="nbRevBox">
+            <property name="value">
+             <number>10</number>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QPushButton" name="loadHistoryButton">
+            <property name="text">
+             <string>Reload</string>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
+       </layout>
+      </widget>
      </widget>
     </item>
     <item>
@@ -109,8 +178,8 @@
     <rect>
      <x>0</x>
      <y>0</y>
-     <width>498</width>
-     <height>23</height>
+     <width>608</width>
+     <height>22</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">