Source code for schrodinger.application.job_monitor.buttons

import os
import subprocess
import sys

from schrodinger.Qt import QtCore
from schrodinger.Qt import QtGui
from schrodinger.Qt import QtWidgets
from schrodinger.ui.qt.standard_widgets import flat_button

ICON_PATH = ":/job_monitor/icons/"
MENU_OFFSET_FROM_ICON = 25


class FileExplorerMenuButton(flat_button.FlatButton):
    """
    A vertical three dots button which opens up a menu to copy the path
    specified to clipboard or open the file explorer of the platform to
    the path specified.

    :ivar fileExplorerError: a signal to notify that the file explorer
        couldn't be opened. The signal is emitted with the message
        corresponding to the specific error occured.
    :vartype fileExplorerError: QtCore.pyqtSignal
    """

    fileExplorerError = QtCore.pyqtSignal(str)

    def __init__(self, parent):
        super().__init__(parent)
        self.dir_path = None
        self.setIconPath(ICON_PATH + "menu_icon.png")
        self.setHoverIconPath(ICON_PATH + "menu_icon-h.png")
        self.setPressedIconPath(ICON_PATH + "menu_icon-p.png")
        self.setIconSize_(16, 12)
        self._createMenu()
        self.setPopupMode(QtWidgets.QToolButton.InstantPopup)

    def _createMenu(self):
        """
        Initialize the context menu with the options.
        """
        menu = QtWidgets.QMenu(self)
        menu.addAction("Copy Text", self._copyToClipboard)
        menu.addSeparator()
        menu.addAction("View in File Browser...", self._openFileExplorer)
        self.setMenu(menu)

    def _copyToClipboard(self):
        """
        Copy the directory path as a plaintext into the clipboard.
        """
        clipboard = QtWidgets.QApplication.clipboard()
        clipboard.setText(self.dir_path)

    def _openFileExplorer(self):
        """
        Open file explorer to the directory path.
        """
        if not os.path.isdir(self.dir_path):
            self.fileExplorerError.emit("Directory doesn't exist")
            return

        emit_error = 0
        if sys.platform.startswith("darwin"):
            emit_error = subprocess.call(['open', self.dir_path])
        elif sys.platform.startswith("win"):
            try:
                os.startfile(self.dir_path)
            except (OSError, AttributeError, TypeError):
                emit_error = 1
        elif sys.platform.startswith("linux"):
            emit_error = subprocess.call(['xdg-open', self.dir_path])

        if emit_error:
            self.fileExplorerError.emit(
                "Couldn't find a file explorer to open the directory")


class BackButton(QtWidgets.QPushButton):

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.setCursor(QtCore.Qt.PointingHandCursor)
        sp = self.sizePolicy()
        sp.setHorizontalPolicy(QtWidgets.QSizePolicy.Maximum)
        self.setSizePolicy(sp)
        self.setIcon(QtGui.QIcon(ICON_PATH + "back-arrow.png"))