1 files changed, 172 insertions, 0 deletions
diff --git a/build_tools/larch7/larch0/gui/dirview.py b/build_tools/larch7/larch0/gui/dirview.py
new file mode 100755
index 0000000..303f9b6
--- /dev/null
+++ b/build_tools/larch7/larch0/gui/dirview.py
@@ -0,0 +1,172 @@
+#!/usr/bin/python
+
+
+# Next look at switching to a selected directory from the path (DONE),
+# switching to a directory in the list, and removing/changing toolbar
+# buttons (and their actions).
+# Have a checkbutton for hidden files / directories somewhere.
+
+
+import os
+from PyQt4 import QtGui, QtCore
+
+def clicked(r, c):
+    print r, c
+
+def iclicked(item):
+    print item
+
+
+class DirListing(QtGui.QTreeWidget):                       #qt
+    # Only using top-level items of the tree
+    def __init__(self):
+        QtGui.QTreeWidget.__init__(self)                    #qt
+        self._hcompact = False  # used for scheduling header-compaction
+        self.setSelectionMode(QtGui.QAbstractItemView.SingleSelection)
+        self.headers(['Name']) #qt
+        self.setRootIsDecorated(False)                      #qt
+
+        self.connect(self, QtCore.SIGNAL('itemSelectionChanged()'),
+                self.s_select)
+        self.connect(self, QtCore.SIGNAL('itemClicked(QTreeWidgetItem *,int)'),
+                self.s_clicked)
+
+
+    def s_select(self):
+        # Signal a selection change, passing the new selection list (indexes)
+        s = [self.indexOfTopLevelItem(i) for i in self.selectedItems()] #qt
+        print "Sel", s
+
+
+    def s_clicked(self, item, col):                         #qt
+        # I guess I should use this for selection if using single
+        # click actions, because setting a list up might cause the
+        # first item to be selected (it doesn't, actually, so select
+        # could be used), and it should
+        # only change directory if actually clicked.
+
+
+        """This is intended for activating a user-defined editing function.
+        Tests showed that this is called after the selection is changed, so
+        if using this signal, use it only in 'Single' selection mode and
+        use this, not 'select' to record selection changes. Clicking on the
+        selected row should start editing the cell, otherwise just change
+        the selection.
+        """
+        ix = self.indexOfTopLevelItem(item)                 #qt
+        print ix, col
+
+
+
+    def headers(self, headers):                          #qt
+        self.setHeaderLabels(headers)                       #qt
+        if self._hcompact:
+            self._compact()
+
+    def set(self, items, index=-1):                       #qt
+        # Note that each item must be a tuple/list containing
+        # entries for each column.
+        self.clear()                                        #qt
+        c = 0
+        for i in items:
+            item = QtGui.QTreeWidgetItem(self, i)           #qt
+            self.addTopLevelItem(item)                      #qt
+            if c == index:
+                self.setCurrentItem(item)
+            c += 1
+        if self._hcompact:
+            self._compact()
+
+    def x__compact(self, on=True):
+        self._hcompact = on
+        if on:
+            self._compact()
+
+    def _compact(self):
+        for i in range(self.columnCount()):                 #qt
+            self.resizeColumnToContents(i)                  #qt
+
+
+
+def dirsel(action):
+    print action.xtag
+    i = 0
+    if action.xindex == 0:
+        print '/'
+    else:
+        path = ''
+        while i < action.xindex:
+            i += 1
+            path += '/' + dirs[i]
+        print path
+    setlisting(path)
+# the toolbuttons should stay the same until a different lower directory
+# is chosen (one not in the old list?)
+
+
+def setlisting(path):
+    dlist = os.listdir(path)
+    dldir = []
+    dlfile = []
+    for f in dlist:
+        if os.path.isdir(path + '/' + f):
+            dldir.append('d:' + f)
+        else:
+            dlfile.append('f:' + f)
+    dldir.sort()
+    dlfile.sort()
+    listing.set([d] for d in (dldir + dlfile))
+
+
+if __name__ == '__main__':
+
+    import sys
+
+    app = QtGui.QApplication(sys.argv)
+    app.setStyleSheet("""
+    QToolButton {
+     border: 2px solid #8f8f91;
+     border-radius: 6px;
+     background-color: yellow;
+    }
+
+    QToolButton:checked {
+     background-color: #f0c080;
+    }
+""")
+
+    window = QtGui.QWidget()
+    listing = DirListing()
+    bar = QtGui.QToolBar()
+    bar.setToolButtonStyle(QtCore.Qt.ToolButtonTextOnly)
+    actg = QtGui.QActionGroup(bar)
+    QtCore.QObject.connect(actg, QtCore.SIGNAL('triggered (QAction *)'), dirsel)
+    actg.setExclusive(True)
+
+    layout = QtGui.QVBoxLayout()
+    layout.addWidget(bar)
+    layout.addWidget(listing)
+    window.setLayout(layout)
+    window.resize(600, 480)
+
+
+
+    path = '/home/mt/DATA/pyjamas'
+
+
+    dirs = path.split('/')
+#    dirs = ['', 'home', 'mt', 'DATA', 'software-verylong', 'DOCS', 'python_qt']
+    butix = 0
+    for but in dirs:
+        bw = bar.addAction(but+'/')
+        bw.setCheckable(True)
+        actw = actg.addAction(bw)
+        actw.xtag = but
+        actw.xindex = butix
+        butix += 1
+
+    setlisting(path)
+
+    window.show()
+
+    sys.exit(app.exec_())