node_delegate.py

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# Author: Isaac Saito

from python_qt_binding.QtCore import Qt
from python_qt_binding.QtWidgets import QStyledItemDelegate
import rospkg

from rqt_launch.node_widget import NodeWidget


class NodeDelegate(QStyledItemDelegate):
    __slots__ = ['status_label', 'respawn_toggle', 'spawn_count_label',
                 'launch_prefix_edit']

    def __init__(self, master_uri, rospack=None):
                # respawn_toggle, spawn_count_label, launch_prefix_edit):
        super(NodeDelegate, self).__init__()
        self._master_uri = master_uri

        self._rospack = rospack
        if rospack == None:
            self._rospack = rospkg.RosPack()

        self._nodewidget_dict = {}  # { QModelIndex : QWidget }

    def createEditor(self, parent, option, index):
        '''Overridden'''

        nodewidget = self._nodewidget_dict[index]
        # TODO: handle exception
        return nodewidget

    def setEditorData(self, spinBox, index):
        '''Overridden'''
        value = index.model().data(index, Qt.EditRole)

        spinBox.setValue(value)

    def setModelData(self, spinBox, model, index):
        '''Overridden'''
        spinBox.interpretText()
        value = spinBox.value()

        model.setData(index, value, Qt.EditRole)

    def updateEditorGeometry(self, editor, option, index):
        '''Overridden'''
        editor.setGeometry(option.rect)

    def create_node_widget(self, qindex, launch_config,
                           status_label):
        '''
        @type status_label: StatusIndicator
        '''
        nodewidget = NodeWidget(self._rospack,
                                self._master_uri, launch_config,
                                status_label)
        self._nodewidget_dict[qindex] = nodewidget
        return nodewidget

    def get_node_widget(self):
        return self._node_widget