Implement ProtocolTemplateEditor

Summary

This merge request implements the editor for the ProtocolTemplate asset

Relevant issue(s) fixed

Fixes #210 (closed)

beat/editor/widgets/protocoltemplateeditor.py

@@ -23,11 +23,165 @@
 #                                                                             #
 ###############################################################################
 
+from PyQt5.QtCore import pyqtSignal
+from PyQt5.QtCore import QTimer
+
+from PyQt5.QtWidgets import QComboBox
+from PyQt5.QtWidgets import QFormLayout
+from PyQt5.QtWidgets import QHBoxLayout
+from PyQt5.QtWidgets import QHeaderView
+from PyQt5.QtWidgets import QInputDialog
+from PyQt5.QtWidgets import QLineEdit
+from PyQt5.QtWidgets import QPushButton
+from PyQt5.QtWidgets import QScrollArea
+from PyQt5.QtWidgets import QStyledItemDelegate
+from PyQt5.QtWidgets import QTableWidget
+from PyQt5.QtWidgets import QTableWidgetItem
+from PyQt5.QtWidgets import QVBoxLayout
+from PyQt5.QtWidgets import QWidget
+
 from ..utils import frozen
 
+from ..backend.assetmodel import AssetType
+from ..backend.assetmodel import AssetModel
+
 from .editor import AbstractAssetEditor
 
 
+class DataformatDelegate(QStyledItemDelegate):
+    def __init__(self, dataformat_model, parent=None):
+        super(DataformatDelegate, self).__init__(parent)
+        self.dataformat_model = dataformat_model
+
+    def createEditor(self, parent, options, index):
+        combobox = QComboBox(parent)
+        combobox.setModel(self.dataformat_model)
+        return combobox
+
+
+class SetWidget(QWidget):
+
+    dataChanged = pyqtSignal()
+    deletionRequested = pyqtSignal()
+
+    def __init__(self, dataformat_model, parent=None):
+        super(SetWidget, self).__init__(parent)
+
+        self.dataformat_model = dataformat_model
+        delegate = DataformatDelegate(self.dataformat_model)
+
+        self.delete_button = QPushButton(self.tr("-"))
+        self.delete_button.setFixedSize(30, 30)
+
+        delete_layout = QHBoxLayout()
+        delete_layout.addStretch(1)
+        delete_layout.addWidget(self.delete_button)
+
+        self.name_lineedit = QLineEdit()
+        self.template_lineedit = QLineEdit()
+        self.view_lineedit = QLineEdit()
+        self.outputs_tablewidget = QTableWidget()
+        self.outputs_tablewidget.verticalHeader().setVisible(False)
+        self.outputs_tablewidget.setColumnCount(2)
+        self.outputs_tablewidget.horizontalHeader().setSectionResizeMode(
+            QHeaderView.Stretch
+        )
+        self.outputs_tablewidget.setHorizontalHeaderLabels(
+            [self.tr("Name"), self.tr("Type")]
+        )
+        self.outputs_tablewidget.setItemDelegateForColumn(1, delegate)
+        self.outputs_tablewidget.setMinimumHeight(200)
+
+        self.add_button = QPushButton(self.tr("+"))
+        self.add_button.setFixedSize(30, 30)
+        self.remove_button = QPushButton(self.tr("-"))
+        self.remove_button.setFixedSize(30, 30)
+        self.remove_button.setEnabled(False)
+        button_layout = QHBoxLayout()
+        button_layout.addStretch(1)
+        button_layout.addWidget(self.add_button)
+        button_layout.addWidget(self.remove_button)
+
+        outputs_layout = QVBoxLayout()
+        outputs_layout.addWidget(self.outputs_tablewidget, 2)
+        outputs_layout.addLayout(button_layout)
+
+        self.form_layout = QFormLayout()
+        self.form_layout.setFieldGrowthPolicy(QFormLayout.AllNonFixedFieldsGrow)
+        self.form_layout.addRow(self.tr("Name"), self.name_lineedit)
+        self.form_layout.addRow(self.tr("Outputs"), outputs_layout)
+
+        self.name_lineedit.textChanged.connect(self.dataChanged)
+        self.outputs_tablewidget.cellChanged.connect(self.dataChanged)
+        self.outputs_tablewidget.itemSelectionChanged.connect(
+            self.__on_item_selection_changed
+        )
+
+        layout = QVBoxLayout(self)
+        layout.addLayout(delete_layout)
+        layout.addLayout(self.form_layout)
+
+        self.delete_button.clicked.connect(self.deletionRequested)
+        self.add_button.clicked.connect(self.__add_output)
+        self.remove_button.clicked.connect(self.__remove_outputs)
+
+    def __add_output(self):
+        new_row = self.outputs_tablewidget.rowCount()
+        self.outputs_tablewidget.setRowCount(new_row + 1)
+        name_item = QTableWidgetItem(self.tr("Change_me"))
+        type_item = QTableWidgetItem(self.dataformat_model.index(0).data())
+        self.outputs_tablewidget.setItem(new_row, 0, name_item)
+        self.outputs_tablewidget.setItem(new_row, 1, type_item)
+        self.outputs_tablewidget.scrollToItem(type_item)
+        self.dataChanged.emit()
+
+    def __remove_outputs(self):
+        selected_items = self.outputs_tablewidget.selectedItems()
+
+        rows = []
+        while selected_items:
+            item = selected_items.pop()
+            rows.append(item.row())
+
+        rows = set(sorted(rows))
+
+        while rows:
+            row = rows.pop()
+            self.outputs_tablewidget.removeRow(row)
+        self.dataChanged.emit()
+
+    def __on_item_selection_changed(self):
+        self.remove_button.setEnabled(bool(self.outputs_tablewidget.selectedItems()))
+
+    def dump(self):
+        json_data = {"name": self.name_lineedit.text()}
+        outputs = {}
+        for i in range(self.outputs_tablewidget.rowCount()):
+            outputs[
+                self.outputs_tablewidget.item(i, 0).text()
+            ] = self.outputs_tablewidget.item(i, 1).text()
+
+        json_data["outputs"] = outputs
+        return json_data
+
+    def load(self, json_data):
+        self.name_lineedit.setText(json_data["name"])
+        outputs = json_data["outputs"]
+        self.outputs_tablewidget.setRowCount(len(outputs))
+        row = 0
+        for name, type_ in json_data["outputs"].items():
+            name_item = QTableWidgetItem(name)
+            type_item = QTableWidgetItem(type_)
+            self.outputs_tablewidget.setItem(row, 0, name_item)
+            self.outputs_tablewidget.setItem(row, 1, type_item)
+            row += 1
+
+    def name(self):
+        """Name of the set"""
+
+        return self.name_lineedit.text()
+
+
 @frozen
 class ProtocolTemplateEditor(AbstractAssetEditor):
     def __init__(self, parent=None):
@@ -35,10 +189,112 @@ class ProtocolTemplateEditor(AbstractAssetEditor):
         self.setObjectName(self.__class__.__name__)
         self.set_title(self.tr("Protocol Template"))
 
+        self.set_widgets = []
+        self.dataformat_model = AssetModel()
+        self.dataformat_model.asset_type = AssetType.DATAFORMAT
+
+        container_widget = QWidget()
+        self.container_widget_layout = QVBoxLayout(container_widget)
+        self.container_widget_layout.addStretch(1)
+
+        self.scroll_area = QScrollArea()
+        self.scroll_area.setWidget(container_widget)
+        self.scroll_area.setWidgetResizable(True)
+
+        self.add_set_button = QPushButton(self.tr("+"))
+        self.add_set_button.setFixedSize(30, 30)
+
+        self.layout().addWidget(self.scroll_area, 1)
+        self.layout().addWidget(self.add_set_button, 1)
+
+        self.add_set_button.clicked.connect(self.__add_set)
+
+    def set_prefix_root(self, prefix):
+        """Re-impl"""
+
+        self.dataformat_model.prefix_path = prefix
+
+    def __on_remove_requested(self):
+        """Remove the widget clicked"""
+
+        self.__remove_widget(self.sender())
+
+    def __remove_widget(self, widget):
+        """Removes the widget that which signal triggered this slot"""
+
+        self.container_widget_layout.removeWidget(widget)
+        self.set_widgets.pop(self.set_widgets.index(widget))
+        widget.setParent(None)
+        self.dataChanged.emit()
+
+    def __add_set(self):
+        """Add a new set
+
+        :param content dict: dictionary to load
+        """
+
+        set_names = [widget.name() for widget in self.set_widgets]
+
+        while True:
+            name, ok_pressed = QInputDialog.getText(
+                self, self.tr("Set name"), self.tr("Name")
+            )
+            if not ok_pressed:
+                break
+
+            if ok_pressed and name not in set_names:
+                self.__load_json(
+                    {
+                        "sets": [
+                            {
+                                "name": name,
+                                "outputs": {
+                                    "Change_me": self.dataformat_model.index(0).data()
+                                },
+                            }
+                        ]
+                    }
+                )
+                self.dataChanged.emit()
+                break
+
+    def __show_latest_set(self):
+        """Ensure that the latest set is visible"""
+
+        if self.set_widgets:
+            self.scroll_area.ensureWidgetVisible(self.set_widgets[-1], 10, 10)
+
+    def __load_json(self, json_object):
+        """Load the json object passed as parameter"""
+
+        for set_ in json_object["sets"]:
+            set_widget = SetWidget(self.dataformat_model)
+            set_widget.load(set_)
+            self.set_widgets.append(set_widget)
+            index = self.container_widget_layout.count() - 1
+            self.container_widget_layout.insertWidget(index, set_widget, 2)
+            set_widget.dataChanged.connect(self.dataChanged)
+            set_widget.deletionRequested.connect(self.__on_remove_requested)
+
+        if self.set_widgets:
+            QTimer.singleShot(100, self.__show_latest_set)
+
     def _load_json(self, json_object):
         """Load the json object passed as parameter"""
-        pass
+
+        self.blockSignals(True)
+
+        while self.set_widgets:
+            widget = self.set_widgets[0]
+            self.__remove_widget(widget)
+
+        self.blockSignals(False)
+
+        self.__load_json(json_object)
 
     def _dump_json(self):
         """Returns the json representation of the asset"""
-        return {}
+        return {
+            "schema_version": 1,
+            "sets": [widget.dump() for widget in self.set_widgets],
+        }