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timegraph: Add menu button to create custom event series
Since the current time graph models do not provide event series themselves, we can offer a way to create some from the UI for simple (and demo) purposes. Eventually this custom series creation could be moved outside of the timegraph widget. Refs #9. Signed-off-by: Alexandre Montplaisir <[email protected]>
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Alexandre Montplaisir
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May 1, 2017
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177
...tmf2/views/ui/timeline/widgets/timegraph/toolbar/drawnevents/CreateEventSeriesDialog.java
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Copyright (C) 2017 EfficiOS Inc., Alexandre Montplaisir <[email protected]> | ||
| * | ||
| * All rights reserved. This program and the accompanying materials are | ||
| * made available under the terms of the Eclipse Public License v1.0 which | ||
| * accompanies this distribution, and is available at | ||
| * http://www.eclipse.org/legal/epl-v10.html | ||
| */ | ||
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| package org.lttng.scope.tmf2.views.ui.timeline.widgets.timegraph.toolbar.drawnevents; | ||
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| import java.util.function.Predicate; | ||
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| import org.eclipse.jdt.annotation.Nullable; | ||
| import org.eclipse.tracecompass.tmf.core.event.ITmfEvent; | ||
| import org.lttng.scope.tmf2.views.core.config.ConfigOption; | ||
| import org.lttng.scope.tmf2.views.core.timegraph.model.provider.ITimeGraphModelProvider; | ||
| import org.lttng.scope.tmf2.views.core.timegraph.model.render.ColorDefinition; | ||
| import org.lttng.scope.tmf2.views.core.timegraph.model.render.drawnevents.TimeGraphDrawnEventSeries; | ||
| import org.lttng.scope.tmf2.views.core.timegraph.model.render.drawnevents.TimeGraphDrawnEventSeries.SymbolStyle; | ||
| import org.lttng.scope.tmf2.views.ui.jfx.CountingGridPane; | ||
| import org.lttng.scope.tmf2.views.ui.jfx.JfxColorFactory; | ||
| import org.lttng.scope.tmf2.views.ui.timeline.widgets.timegraph.TimeGraphDrawnEventControl; | ||
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| import javafx.beans.property.ReadOnlyProperty; | ||
| import javafx.geometry.Insets; | ||
| import javafx.geometry.Pos; | ||
| import javafx.scene.Node; | ||
| import javafx.scene.control.Button; | ||
| import javafx.scene.control.ButtonType; | ||
| import javafx.scene.control.ColorPicker; | ||
| import javafx.scene.control.ComboBox; | ||
| import javafx.scene.control.ContentDisplay; | ||
| import javafx.scene.control.Dialog; | ||
| import javafx.scene.control.Label; | ||
| import javafx.scene.control.ListCell; | ||
| import javafx.scene.control.ListView; | ||
| import javafx.scene.control.TextField; | ||
| import javafx.scene.layout.VBox; | ||
| import javafx.scene.paint.Color; | ||
| import javafx.scene.shape.Shape; | ||
| import javafx.scene.text.Font; | ||
| import javafx.scene.text.FontPosture; | ||
| import javafx.scene.text.FontWeight; | ||
| import javafx.util.Callback; | ||
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| class CreateEventSeriesDialog extends Dialog<@Nullable PredicateDrawnEventProvider> { | ||
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| private static final Color DEFAULT_SYMBOL_COLOR = Color.ORANGE; | ||
| private static final double PADDING = 10; | ||
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| private static final Font HEADER_FONT = Font.font(null, FontWeight.BOLD, FontPosture.REGULAR, -1); | ||
| private static final Insets HEADER_PADDING = new Insets(10, 0, 10, 0); | ||
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| private final TextField fEventNameField; | ||
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| private final ColorPicker fSymbolColorPicker; | ||
| private final ShapePicker fSymbolShapePicker; | ||
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| public CreateEventSeriesDialog(ITimeGraphModelProvider modelProvider) { | ||
| setTitle(Messages.createEventSeriesDialogTitle); | ||
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| /* Dialog buttons, standard "OK" and "Cancel" */ | ||
| getDialogPane().getButtonTypes().addAll(ButtonType.CANCEL, ButtonType.OK); | ||
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| /* Dialog contents */ | ||
| Label filterHeader = new Label(Messages.createEventSeriesDialogSectionFilterDef); | ||
| filterHeader.setFont(HEADER_FONT); | ||
| filterHeader.setPadding(HEADER_PADDING); | ||
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| fEventNameField = new TextField(); | ||
| CountingGridPane filterGrid = new CountingGridPane(); | ||
| filterGrid.setHgap(PADDING); | ||
| filterGrid.setVgap(PADDING); | ||
| filterGrid.appendRow(new Label(Messages.createEventSeriesDialogFieldEventName), fEventNameField); | ||
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| Label symbolHeader = new Label(Messages.createEventSeriesDialogSectionSymbolDef); | ||
| symbolHeader.setFont(HEADER_FONT); | ||
| symbolHeader.setPadding(HEADER_PADDING); | ||
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| fSymbolColorPicker = new ColorPicker(DEFAULT_SYMBOL_COLOR); | ||
| fSymbolShapePicker = new ShapePicker(fSymbolColorPicker.valueProperty()); | ||
| CountingGridPane symbolGrid = new CountingGridPane(); | ||
| symbolGrid.setHgap(PADDING); | ||
| symbolGrid.setVgap(PADDING); | ||
| symbolGrid.appendRow(new Label(Messages.createEventSeriesDialogFieldColor), fSymbolColorPicker); | ||
| symbolGrid.appendRow(new Label(Messages.createEventSeriesDialogFieldShape), fSymbolShapePicker); | ||
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| VBox vbox = new VBox(filterHeader, filterGrid, symbolHeader, symbolGrid); | ||
| vbox.setAlignment(Pos.CENTER); | ||
| getDialogPane().setContent(vbox); | ||
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| /* | ||
| * Disable the OK button until the input is valid | ||
| * | ||
| * TODO ControlsFX Validation framework might be useful when more | ||
| * fields/options are added. | ||
| */ | ||
| final Button okButton = (Button) getDialogPane().lookupButton(ButtonType.OK); | ||
| okButton.setDisable(true); | ||
| fEventNameField.textProperty().addListener((observable, oldValue, newValue) -> { | ||
| okButton.setDisable(newValue.trim().length() <= 0); | ||
| }); | ||
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| /* What to do when the dialog is closed */ | ||
| setResultConverter(dialogButton -> { | ||
| if (dialogButton != ButtonType.OK) { | ||
| return null; | ||
| } | ||
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| String eventName = fEventNameField.getText(); | ||
| if (eventName == null || eventName.isEmpty()) { | ||
| return null; | ||
| } | ||
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| TimeGraphDrawnEventSeries series = generateEventSeries(); | ||
| Predicate<ITmfEvent> predicate = event -> event.getName().equals(eventName); | ||
| return new PredicateDrawnEventProvider(series, modelProvider, predicate); | ||
| }); | ||
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| } | ||
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| /** | ||
| * Generate an event series from the current value of the controls | ||
| * | ||
| * @return The corresponding event series | ||
| */ | ||
| private TimeGraphDrawnEventSeries generateEventSeries() { | ||
| String seriesName = fEventNameField.getText(); | ||
| ColorDefinition colorDef = JfxColorFactory.colorToColorDef(fSymbolColorPicker.getValue()); | ||
| SymbolStyle style = fSymbolShapePicker.getSelectionModel().getSelectedItem(); | ||
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| return new TimeGraphDrawnEventSeries( | ||
| seriesName == null ? "" : seriesName, //$NON-NLS-1$ | ||
| new ConfigOption<>(colorDef), | ||
| new ConfigOption<>(style)); | ||
| } | ||
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| private static class ShapePicker extends ComboBox<SymbolStyle> { | ||
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| public ShapePicker(ReadOnlyProperty<Color> colorSource) { | ||
| getItems().addAll(SymbolStyle.values()); | ||
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| Callback<@Nullable ListView<SymbolStyle>, ListCell<SymbolStyle>> cellFactory = | ||
| p -> new ListCell<SymbolStyle>() { | ||
| { | ||
| setContentDisplay(ContentDisplay.GRAPHIC_ONLY); | ||
| } | ||
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| @Override | ||
| protected void updateItem(SymbolStyle item, boolean empty) { | ||
| super.updateItem(item, empty); | ||
| if (empty) { | ||
| setGraphic(null); | ||
| } else { | ||
| Node graphic = getGraphicFromSymbol(item, colorSource); | ||
| setGraphic(graphic); | ||
| } | ||
| } | ||
| }; | ||
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| setButtonCell(cellFactory.call(null)); | ||
| setCellFactory(cellFactory); | ||
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| /* Select the first symbol by default */ | ||
| getSelectionModel().select(0); | ||
| } | ||
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| private static Node getGraphicFromSymbol(SymbolStyle symbol, ReadOnlyProperty<Color> colorSource) { | ||
| Shape graphic = TimeGraphDrawnEventControl.getShapeFromSymbol(symbol); | ||
| graphic.fillProperty().bind(colorSource); | ||
| return graphic; | ||
| } | ||
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| } | ||
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| } |
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