Added label support to the pds viewer. This is an initial commit. More features will be added to the label viewer.

.gitignore

@@ -1,11 +1,13 @@
 *.py[cod]
 
+._*
 # C extensions
 *.so
 
 # Packages
 *.egg
 *.egg-info
+.nfs*
 dist
 build
 eggs

pdsview/PDSImage.py

@@ -15,4 +15,13 @@ def __init__(self, data_np=None, metadata=None, logger=None):
     def load_file(self, filepath):
         self.logger.debug("Loading file '%s' ..." % (filepath))
         pds_image = gdal_pds.PDSImage(filepath)
-        self.set_data(pds_image.image)
+        self.pds_image = pds_image
+        self.set_data(pds_image.image)
+        with open(filepath) as f:
+            labelview = []
+            for lineno, line in enumerate(f):
+                line = line.rstrip()
+                if line.strip() == 'END':
+                    break
+                labelview.append(line)
+        pds_image.labelview = labelview

pdsview/label.py

@@ -0,0 +1,66 @@
+from ginga.qtw.QtHelp import QtGui, QtCore
+import text_finderUI
+
+
+class LabelView(QtGui.QWidget):
+    def __init__(self, image_label):
+        QtGui.QWidget.__init__(self, None)
+        print("Label Show")
+        self.textwindow = QtGui.QVBoxLayout()
+        self.textwindow.setContentsMargins(QtCore.QMargins(2, 2, 2, 2))
+        self.buttonwindow = QtGui.QHBoxLayout()
+        self.labelwindowlayout = QtGui.QHBoxLayout()
+        self.buttonwindow.setContentsMargins(QtCore.QMargins(4, 2, 4, 2))
+
+        self.textwidget = QtGui.QWidget()
+        self.textwidget.setWindowTitle("Label")
+        self.textwidget.resize(640, 620)
+        self.labelPT = QtGui.QTextEdit()
+        self.labelPT.setReadOnly(True)
+        self.font = QtGui.QFont("Monaco")
+        self.font.setPointSize(12)
+
+        self.image_label = image_label
+        self.labelPT.setFont(self.font)
+        self.textwindow.addWidget(self.labelPT, stretch=0)
+
+        findButton = QtGui.QPushButton("Find")
+        findButton.clicked.connect(self.find)
+        cancelbutton = QtGui.QPushButton("Cancel")
+        cancelbutton.clicked.connect(self.cancel)
+
+        for button in (findButton, cancelbutton):
+            self.buttonwindow.addWidget(button, stretch=0)
+
+        self.buttonwidget = QtGui.QWidget()
+        self.buttonwidget.setLayout(self.buttonwindow)
+        self.textwindow.addWidget(self.buttonwidget, stretch=0)
+        self.textwidget.setLayout(self.textwindow)
+
+        self.label_show()
+
+    def label_show(self):
+        if self.image_label == None:
+            self.labelPT.setText("Please Open an Image First !")
+        else:
+            self.labelPT.setText('\n'.join(self.image_label))
+            # labelPT.setText(json.dumps(image_label, indent=4))
+        self.textwidget.setLayout(self.textwindow)
+        self.textwidget.setMinimumWidth(50)
+        self.textwidget.show()
+        self.textwidget.raise_()
+        self.textwidget.activateWindow()
+        labelview_window = self.textwidget
+        return labelview_window
+
+    def find(self):
+        self.lastMatch = None
+        self.finderUI()
+
+    def finderUI(self):
+        mw = text_finderUI.LabelSearch()
+        self.labelwindowlayout.addWidget(mw, stretch=0)
+        print mw.search()
+
+    def cancel(self):
+        self.deleteLater()

pdsview/pdsview.py

@@ -8,9 +8,10 @@
 # This is open-source software licensed under a BSD license.
 # Please see the file LICENSE.txt for details.
 #
-import sys, os
+import sys
 import logging
 import PDSImage
+import label
 
 from ginga.qtw.QtHelp import QtGui, QtCore
 from ginga.qtw.ImageViewCanvasQt import ImageViewCanvas
@@ -34,58 +35,68 @@ def __init__(self, logger):
         self.fitsimage = fi
 
         bd = fi.get_bindings()
-        bd.enable_pan(True)
-        bd.enable_zoom(True)
-        bd.enable_cuts(True)
-        bd.enable_flip(True)
+        bd.enable_all(True)
 
         w = fi.get_widget()
-        w.resize(512, 512)
+        w.resize(768, 768)
 
         vbox = QtGui.QVBoxLayout()
         vbox.setContentsMargins(QtCore.QMargins(2, 2, 2, 2))
         vbox.setSpacing(1)
         vbox.addWidget(w, stretch=1)
 
         hbox = QtGui.QHBoxLayout()
+        self.hboxlayout = QtGui.QHBoxLayout()
         hbox.setContentsMargins(QtCore.QMargins(4, 2, 4, 2))
 
         wopen = QtGui.QPushButton("Open File")
         wopen.clicked.connect(self.open_file)
+        wlabel = QtGui.QPushButton("Label")
+        wlabel.clicked.connect(self.label)
         wquit = QtGui.QPushButton("Quit")
         wquit.clicked.connect(self.quit)
 
         hbox.addStretch(1)
-        for w in (wopen, wquit):
+        for w in (wopen, wlabel, wquit):
             hbox.addWidget(w, stretch=0)
 
         hw = QtGui.QWidget()
         hw.setLayout(hbox)
         vbox.addWidget(hw, stretch=0)
+        self.vbox = vbox
+        self.hbox = hbox
+        self.w = w
 
         vw = QtGui.QWidget()
         self.setCentralWidget(vw)
         vw.setLayout(vbox)
 
     def load_file(self, filepath):
-        # image = AstroImage.AstroImage(logger=self.logger)
-        # filepath = '1f345867992effb0j3p1212l0m1.img'
-        # print(filepath)
+        global image
         image = PDSImage.PDSImage(logger=self.logger)
         image.load_file(filepath)
         self.fitsimage.set_image(image)
         print('File_Loaded')
-        # print(image)
         self.setWindowTitle(filepath)
 
+    def label(self):
+        try:
+            label_data = image.pds_image.labelview
+        except NameError:
+            label_data = None
+        mw = label.LabelView(label_data)
+        self.hboxlayout.addWidget(mw, stretch=0)
+
+    def find(self):
+        print("Search")
+
     def open_file(self):
         res = QtGui.QFileDialog.getOpenFileName(self, "Open IMG file",
                                                 ".", "IMG files (*.IMG)")
         if isinstance(res, tuple):
             fileName = res[0]
         else:
             fileName = str(res)
-        # fileName = '1f345867992effb0j3p1212l0m1.img'
         self.load_file(fileName)
 
     def drop_file(self, fitsimage, paths):
@@ -109,7 +120,7 @@ def main():
     logger.addHandler(stderrHdlr)
 
     w = FitsViewer(logger)
-    w.resize(524, 540)
+    w.resize(780, 770)
     w.show()
     app.setActiveWindow(w)
     w.raise_()
@@ -118,5 +129,3 @@ def main():
 
 if __name__ == '__main__':
     main()
-
-# END

pdsview/text_finderUI.py

@@ -0,0 +1,50 @@
+from ginga.qtw.QtHelp import QtGui, QtCore
+
+
+class LabelSearch(QtGui.QWidget):
+    def __init__(self):
+        QtGui.QWidget.__init__(self, None)
+        print("Text Search")
+        self.textwindow = QtGui.QVBoxLayout()
+        self.textwindow.setContentsMargins(QtCore.QMargins(2, 2, 2, 2))
+        self.buttonwindow = QtGui.QHBoxLayout()
+        self.labelwindowlayout = QtGui.QHBoxLayout()
+        self.buttonwindow.setContentsMargins(QtCore.QMargins(4, 2, 4, 2))
+
+        self.textwidget = QtGui.QWidget()
+        self.textwidget.setWindowTitle("Search Window")
+        self.textwidget.resize(250, 70)
+        self.findField = QtGui.QTextEdit(self)
+        self.findField.resize(200, 50)
+        self.font = QtGui.QFont("Monaco")
+        self.font.setPointSize(12)
+        self.searchButton = QtGui.QPushButton("Search")
+        self.searchButton.clicked.connect(self.search)
+        self.cancelButton = QtGui.QPushButton("Cancel")
+        self.cancelButton.clicked.connect(self.cancel)
+
+        self.findField.setFont(self.font)
+        self.textwindow.addWidget(self.findField, stretch=0)
+        self.buttonwindow.addWidget(self.searchButton, stretch=0)
+        self.buttonwindow.addWidget(self.cancelButton, stretch=0)
+
+        self.buttonwidget = QtGui.QWidget()
+        self.buttonwidget.setLayout(self.buttonwindow)
+        self.textwindow.addWidget(self.buttonwidget, stretch=0)
+        self.textwidget.setLayout(self.textwindow)
+        self.textwidget.setMinimumWidth(50)
+        self.textwidget.show()
+        self.textwidget.raise_()
+        self.textwidget.activateWindow()
+
+    def search(self):
+        # Here, we get the value printed in the findField of the "Search Window"
+        # TODO:
+        # Set Callback method or Find a way to reflect this value back to the "label.py"
+        # Once we populate "label.py" with the updated search-string, one can take a reference from:
+        # https://www.binpress.com/tutorial/building-a-text-editor-with-pyqt-part-3/147
+        print self.findField.toPlainText()
+        return self.findField.toPlainText()
+
+    def cancel(self):
+        self.deleteLater()