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FBrowser.py
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FBrowser.py
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#
# FBrowser.py -- File Browser plugin for fits viewer
#
# Eric Jeschke (eric@naoj.org)
#
# Copyright (c) Eric R. Jeschke. All rights reserved.
# This is open-source software licensed under a BSD license.
# Please see the file LICENSE.txt for details.
#
import os
import stat, time
from ginga.misc.plugins import FBrowserBase
from ginga.qtw.QtHelp import QtGui, QtCore, QImage, QPixmap, QIcon
from ginga.qtw import QtHelp
class FBrowser(FBrowserBase.FBrowserBase):
def __init__(self, fv, fitsimage):
# superclass is common subset outside of toolkits
super(FBrowser, self).__init__(fv, fitsimage)
# Make icons
icondir = self.fv.iconpath
foldericon = os.path.join(icondir, 'folder.png')
image = QImage(foldericon)
pixmap = QPixmap.fromImage(image)
self.folderpb = QIcon(pixmap)
fileicon = os.path.join(icondir, 'file.png')
image = QImage(fileicon)
pixmap = QPixmap.fromImage(image)
self.filepb = QIcon(pixmap)
fitsicon = os.path.join(icondir, 'fits.png')
image = QImage(fitsicon)
pixmap = QPixmap.fromImage(image)
self.fitspb = QIcon(pixmap)
def build_gui(self, container):
widget = QtGui.QWidget()
vbox = QtGui.QVBoxLayout()
vbox.setContentsMargins(2, 2, 2, 2)
widget.setLayout(vbox)
# create the table
#table = QtGui.QTableWidget()
#table.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows)
#table.setDragEnabled(True)
table = DragTable(plugin=self)
table.setShowGrid(False)
table.verticalHeader().hide()
table.setColumnCount(len(self.columns))
col = 0
self._name_idx = 0
for hdr, attrname in self.columns:
item = QtGui.QTableWidgetItem(hdr)
table.setHorizontalHeaderItem(col, item)
if attrname == 'name':
self._name_idx = col
col += 1
vbox.addWidget(table, stretch=1)
table.itemDoubleClicked.connect(self.itemclicked_cb)
self.treeview = table
self.entry = QtGui.QLineEdit()
vbox.addWidget(self.entry, stretch=0, alignment=QtCore.Qt.AlignTop)
self.entry.returnPressed.connect(self.browse_cb)
hbox = QtHelp.HBox()
btn = QtGui.QPushButton("Load")
btn.clicked.connect(lambda w: self.load_cb())
hbox.addWidget(btn, stretch=0)
btn = QtGui.QPushButton("Save Image As")
hbox.addWidget(btn, stretch=0)
self.entry2 = QtGui.QLineEdit()
hbox.addWidget(self.entry2, stretch=1)
vbox.addWidget(hbox, stretch=0, alignment=QtCore.Qt.AlignTop)
self.entry2.returnPressed.connect(self.save_as_cb)
btn.clicked.connect(lambda w: self.save_as_cb())
btns = QtHelp.HBox()
layout = btns.layout()
layout.setSpacing(3)
btn = QtGui.QPushButton("Close")
btn.clicked.connect(self.close)
layout.addWidget(btn, stretch=0, alignment=QtCore.Qt.AlignLeft)
btn = QtGui.QPushButton("Refresh")
btn.clicked.connect(self.refresh)
layout.addWidget(btn, stretch=0, alignment=QtCore.Qt.AlignLeft)
btn = QtGui.QPushButton("Make Thumbs")
btn.clicked.connect(self.make_thumbs)
layout.addWidget(btn, stretch=0, alignment=QtCore.Qt.AlignLeft)
vbox.addWidget(btns, stretch=0, alignment=QtCore.Qt.AlignLeft)
cw = container.get_widget()
cw.layout().addWidget(widget, stretch=1)
def load_cb(self):
curdir, curglob = os.path.split(self.curpath)
sm = self.treeview.selectionModel()
paths = [ os.path.join(curdir,
self.treeview.model().data(row, self._name_idx))
for row in sm.selectedRows() ]
#self.fv.dragdrop(self.fitsimage, paths)
self.fv.gui_do(self.fitsimage.make_callback, 'drag-drop',
paths)
def makelisting(self, path):
self.entry.setText(path)
table = self.treeview
table.clearContents()
row = 0
table.setRowCount(len(self.jumpinfo))
table.setSortingEnabled(True)
for bnch in self.jumpinfo:
col = 0
for colname, attrname in self.columns:
item = QtGui.QTableWidgetItem(str(bnch[attrname]))
# special handling for name--adds an icon
if attrname == 'name':
icon = self.file_icon(bnch)
item.setIcon(icon)
item.setFlags(item.flags() & ~QtCore.Qt.ItemIsEditable)
table.setItem(row, col, item)
col += 1
row += 1
#table.setSortingEnabled(True)
table.resizeColumnsToContents()
def get_path_at_row(self, row):
item2 = self.treeview.item(row, self._name_idx)
name = str(item2.text())
if name != '..':
curdir, curglob = os.path.split(self.curpath)
path = os.path.join(curdir, name)
else:
path = name
return path
def itemclicked_cb(self, item):
path = self.get_path_at_row(item.row())
self.open_file(path)
def browse_cb(self):
path = str(self.entry.text()).strip()
self.browse(path)
def save_as_cb(self):
path = str(self.entry2.text()).strip()
if not path.startswith('/'):
path = os.path.join(self.curpath, path)
image = self.fitsimage.get_image()
self.fv.error_wrap(image.save_as_file, path)
def __str__(self):
return 'fbrowser'
class DragTable(QtGui.QTableWidget):
# This class exists only to let us drag and drop files from the
# file pane into the Ginga widget.
def __init__(self, parent=None, plugin=None):
super(DragTable, self).__init__(parent)
self.setDragEnabled(True)
self.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows)
self.plugin = plugin
def dragEnterEvent(self, event):
if event.mimeData().hasFormat("text/uri-list"):
event.setDropAction(QtCore.Qt.MoveAction)
event.accept()
else:
event.ignore()
def startDrag(self, event):
indices = self.selectedIndexes()
selected = set()
for index in indices:
selected.add(index.row())
urls = []
for row in selected:
path = "file://" + self.plugin.get_path_at_row(row)
url = QtCore.QUrl(path)
urls.append(url)
mimeData = QtCore.QMimeData()
mimeData.setUrls(urls)
drag = QtHelp.QDrag(self)
drag.setMimeData(mimeData)
## pixmap = QPixmap(":/drag.png")
## drag.setHotSpot(QPoint(pixmap.width()/3, pixmap.height()/3))
## drag.setPixmap(pixmap)
if QtHelp.have_pyqt5:
result = drag.exec_(QtCore.Qt.MoveAction)
else:
result = drag.start(QtCore.Qt.MoveAction)
def mouseMoveEvent(self, event):
self.startDrag(event)
#END