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# -*- coding: utf-8 -*-
import sys, os
from PyQt4.QtCore import Qt, QSize, QDir
from PyQt4.QtGui import (QMainWindow, QWidget, QGridLayout, QVBoxLayout,
QHBoxLayout, QTreeView, QPlainTextEdit, QSpacerItem,
QPushButton, QApplication, QSizePolicy, QFileSystemModel,
QAbstractItemView, QItemDelegate, QPen, QColor)
class Main(QMainWindow):
def __init__(self):
super(Main, self).__init__()
self.resize(413, 580)
self.cw = QWidget(self)
self.gl = QGridLayout(self.cw)
self.vl = QVBoxLayout()
self.treeView = TreeView(self, self.cw)
self.vl.addWidget(self.treeView)
self.editor_pte = QPlainTextEdit(self.cw)
self.editor_pte.setMaximumSize(QSize(16777215, 150))
self.vl.addWidget(self.editor_pte)
self.hl = QHBoxLayout()
spacer = QSpacerItem(40, 20, QSizePolicy.Expanding, QSizePolicy.Minimum)
self.hl.addItem(spacer)
self.unselect_btn = QPushButton(self.cw)
self.unselect_btn.setText(u"Désélectionner")
self.hl.addWidget(self.unselect_btn)
self.vl.addLayout(self.hl)
self.gl.addLayout(self.vl, 0, 0, 1, 1)
self.setCentralWidget(self.cw)
self.unselect_btn.clicked.connect(self.on_deselect_clicked)
self.treeView.set_source(u'/home/vincent/Images')
def show_selection(self, selection):
self.editor_pte.clear()
txt = '\n'.join(selection)
self.editor_pte.setPlainText(txt)
def on_deselect_clicked(self):
self.treeView.clearSelection()
class TreeView(QTreeView):
def __init__(self, main, parent=None):
super(TreeView, self).__init__(parent)
self.main = main
self.setHeaderHidden(True)
self.setSelectionMode(QAbstractItemView.MultiSelection)
delegate = ItemDelegate(self)
self.setItemDelegate(delegate)
def set_source(self, folder):
folder = folder.rstrip(os.path.sep)
self.top = folder
self.root = os.path.dirname(folder)
self.dirModel = QFileSystemModel()
# A adapter au contexte
self.dirModel.setRootPath(self.root)
self.setModel(self.dirModel)
self.setRootIndex(self.dirModel.index(self.root))
self.setWordWrap(True)
self.hideColumn(1)
self.hideColumn(2)
self.hideColumn(3)
idx = self.dirModel.index(folder)
self.expand(idx)
self.scrollTo(idx, QAbstractItemView.EnsureVisible)
def selectionChanged(self, new, old):
sel = [unicode(self.model().filePath(idx)) for idx in self.selectedIndexes()]
self.main.show_selection(sel)
class ItemDelegate(QItemDelegate):
def __init__(self, tree, parent=None):
super(ItemDelegate, self).__init__(parent)
self.tree = tree
# Si l'on veut des icônes ...
#self.file_px = QtGui.QPixmap('medias/file_ico.png')
#self.exp_px = QtGui.QPixmap('medias/folder_open.png')
#self.coll_px = QtGui.QPixmap('medias/folder_close.png')
def createEditor(self, parent, option, index):
return QItemDelegate.createEditor(self, parent, option, index)
def paint(self, painter, option, index):
path = unicode(self.tree.model().filePath(index))
# C'est ici que ça se passe:
# Si le parent du dossier-fichier n'est pas le root du treeView alors
# c'est qu'il est dans un sous dossier, donc on l'ignore
if not os.path.dirname(path) == self.tree.top:
return
painter.save()
x, y = option.rect.x(), option.rect.y()
pen = QPen()
pen.setBrush(QColor(255, 255, 255, 255))
painter.setPen(pen)
painter.drawRect(option.rect)
painter.setPen(QPen(QColor(0, 0, 0, 255)))
if index in self.tree.selectedIndexes():
background = painter.background()
backgroundMode = painter.backgroundMode()
painter.setBackground(self.tree.palette().highlight())
painter.setBackgroundMode(Qt.OpaqueMode)
# Si l'on veut des icônes ...
#icon = self.get_icon(index)
#painter.drawPixmap(x, y, icon)
value = index.data(Qt.DisplayRole)
if value.isValid():
text = value.toString()
painter.drawText(x + 25, y + 14, text)
painter.restore()
def get_icon(self, idx):
if self.tree.dirModel.isDir(idx):
if self.tree.isExpanded(idx):
return self.exp_px
return self.coll_px
return self.file_px
if __name__ == "__main__":
app = QApplication(sys.argv)
ui = Main()
ui.show()
sys.exit(app.exec_()) |
