Java tutorial
/******************************************************************************* * Copyright Technophobia Ltd 2012 * * This file is part of the Substeps Eclipse Plugin. * * The Substeps Eclipse Plugin is free software: you can redistribute it and/or modify * it under the terms of the Eclipse Public License v1.0. * * The Substeps Eclipse Plugin is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * Eclipse Public License for more details. * * You should have received a copy of the Eclipse Public License * along with the Substeps Eclipse Plugin. If not, see <http://www.eclipse.org/legal/epl-v10.html>. ******************************************************************************/ package com.technophobia.substeps.junit.ui.label; import java.text.MessageFormat; import java.text.NumberFormat; import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.IStyledLabelProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.LabelProviderChangedEvent; import org.eclipse.jface.viewers.StyledCellLabelProvider; import org.eclipse.jface.viewers.StyledString; import org.eclipse.swt.graphics.Image; import com.technophobia.eclipse.ui.view.ViewLayout; import com.technophobia.substeps.junit.ui.SubstepsFeatureMessages; import com.technophobia.substeps.junit.ui.SubstepsIconProvider; import com.technophobia.substeps.junit.ui.SubstepsRunSession; import com.technophobia.substeps.junit.ui.SubstepsTestIcon; import com.technophobia.substeps.model.structure.Status; import com.technophobia.substeps.model.structure.SubstepsTestElement; import com.technophobia.substeps.model.structure.SubstepsTestLeafElement; import com.technophobia.substeps.model.structure.SubstepsTestParentElement; import com.technophobia.substeps.supplier.Supplier; public class TestSessionLabelProvider extends LabelProvider implements IStyledLabelProvider { private final NumberFormat timeFormat; private boolean showTime; private final Supplier<String> testKindDisplayNameSupplier; private final SubstepsIconProvider iconProvider; private final ViewLayout layoutMode; public TestSessionLabelProvider(final Supplier<String> testKindDisplayNameSupplier, final SubstepsIconProvider iconProvider, final ViewLayout layoutMode) { this.testKindDisplayNameSupplier = testKindDisplayNameSupplier; this.iconProvider = iconProvider; this.layoutMode = layoutMode; this.showTime = true; timeFormat = NumberFormat.getNumberInstance(); timeFormat.setGroupingUsed(true); timeFormat.setMinimumFractionDigits(3); timeFormat.setMaximumFractionDigits(3); timeFormat.setMinimumIntegerDigits(1); } @Override public StyledString getStyledText(final Object element) { final String label = getSimpleLabel(element); if (label == null) { return new StyledString(element.toString()); } StyledString text = new StyledString(label); final SubstepsTestElement testElement = (SubstepsTestElement) element; if (layoutMode.equals(ViewLayout.HIERARCHICAL)) { if (testElement.getParentContainer() instanceof SubstepsRunSession) { final String testKindDisplayName = testKindDisplayNameSupplier.get(); if (testKindDisplayName != null && testKindDisplayName.length() > 0) { final String decorated = MessageFormat.format( SubstepsFeatureMessages.TestSessionLabelProvider_testName_JUnitVersion, new Object[] { label, testKindDisplayName }); text = StyledCellLabelProvider.styleDecoratedString(decorated, StyledString.QUALIFIER_STYLER, text); } } } else { if (element instanceof SubstepsTestLeafElement) { final String decorated = MessageFormat .format(SubstepsFeatureMessages.TestSessionLabelProvider_testMethodName_className, label); text = StyledCellLabelProvider.styleDecoratedString(decorated, StyledString.QUALIFIER_STYLER, text); } } return addElapsedTime(text, testElement.getElapsedTimeInSeconds()); } private StyledString addElapsedTime(final StyledString styledString, final double time) { final String string = styledString.getString(); final String decorated = addElapsedTime(string, time); return StyledCellLabelProvider.styleDecoratedString(decorated, StyledString.COUNTER_STYLER, styledString); } private String addElapsedTime(final String string, final double time) { if (!showTime || Double.isNaN(time)) { return string; } final String formattedTime = timeFormat.format(time); return MessageFormat.format(SubstepsFeatureMessages.TestSessionLabelProvider_testName_elapsedTimeInSeconds, new Object[] { string, formattedTime }); } private String getSimpleLabel(final Object element) { if (element instanceof SubstepsTestLeafElement) { return ((SubstepsTestLeafElement) element).getTestName(); } else if (element instanceof SubstepsTestParentElement) { return ((SubstepsTestParentElement) element).getTestName(); } return null; } @Override public String getText(final Object element) { String label = getSimpleLabel(element); if (label == null) { return element.toString(); } final SubstepsTestElement testElement = (SubstepsTestElement) element; if (layoutMode.equals(ViewLayout.HIERARCHICAL)) { if (testElement.getParentContainer() instanceof SubstepsRunSession) { final String testKindDisplayName = testKindDisplayNameSupplier.get(); if (testKindDisplayName != null) { label = MessageFormat.format( SubstepsFeatureMessages.TestSessionLabelProvider_testName_JUnitVersion, new Object[] { label, testKindDisplayName }); } } } else { if (element instanceof SubstepsTestLeafElement) { label = MessageFormat .format(SubstepsFeatureMessages.TestSessionLabelProvider_testMethodName_className, label); } } return addElapsedTime(label, testElement.getElapsedTimeInSeconds()); } @Override public Image getImage(final Object element) { if (element instanceof SubstepsTestLeafElement) { final SubstepsTestLeafElement testCaseElement = ((SubstepsTestLeafElement) element); if (testCaseElement.isIgnored()) return iconProvider.imageFor(SubstepsTestIcon.TestIgnored); final Status status = testCaseElement.getStatus(); if (status.isNotRun()) return iconProvider.imageFor(SubstepsTestIcon.Test); else if (status.isRunning()) return iconProvider.imageFor(SubstepsTestIcon.TestRunning); else if (status.isError()) return iconProvider.imageFor(SubstepsTestIcon.TestError); else if (status.isFailure()) return iconProvider.imageFor(SubstepsTestIcon.TestFail); else if (status.isOK()) return iconProvider.imageFor(SubstepsTestIcon.TestOk); else throw new IllegalStateException(element.toString()); } else if (element instanceof SubstepsTestParentElement) { final Status status = ((SubstepsTestParentElement) element).getStatus(); if (status.isNotRun()) return iconProvider.imageFor(SubstepsTestIcon.Suite); else if (status.isRunning()) return iconProvider.imageFor(SubstepsTestIcon.SuiteRunning); else if (status.isError()) return iconProvider.imageFor(SubstepsTestIcon.SuiteError); else if (status.isFailure()) return iconProvider.imageFor(SubstepsTestIcon.SuiteFail); else if (status.isOK()) return iconProvider.imageFor(SubstepsTestIcon.SuiteOk); else throw new IllegalStateException(element.toString()); } else { throw new IllegalArgumentException(String.valueOf(element)); } } public void setShowTime(final boolean showTime) { this.showTime = showTime; fireLabelProviderChanged(new LabelProviderChangedEvent(this)); } }