Java tutorial
//////////////////////////////////////////////////////////////////////////////// // // PACKAGE : com.astra.ses.spell.gui.watchvariables.model // // FILE : WatchVariablesLabelProvider.java // // DATE : Sep 22, 2010 // // Copyright (C) 2008, 2012 SES ENGINEERING, Luxembourg S.A.R.L. // // By using this software in any way, you are agreeing to be bound by // the terms of this license. // // 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 // // NO WARRANTY // EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, THE PROGRAM IS PROVIDED // ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER // EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OR // CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A // PARTICULAR PURPOSE. Each Recipient is solely responsible for determining // the appropriateness of using and distributing the Program and assumes all // risks associated with its exercise of rights under this Agreement , // including but not limited to the risks and costs of program errors, // compliance with applicable laws, damage to or loss of data, programs or // equipment, and unavailability or interruption of operations. // // DISCLAIMER OF LIABILITY // EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, NEITHER RECIPIENT NOR ANY // CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION // LOST PROFITS), HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) // ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE PROGRAM OR THE // EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE // POSSIBILITY OF SUCH DAMAGES. // // Contributors: // SES ENGINEERING - initial API and implementation and/or initial documentation // // PROJECT : SPELL // // SUBPROJECT: SPELL GUI Client // //////////////////////////////////////////////////////////////////////////////// package com.astra.ses.spell.gui.watchvariables.model; import org.eclipse.jface.viewers.ILabelProviderListener; import org.eclipse.jface.viewers.ITableColorProvider; import org.eclipse.jface.viewers.ITableFontProvider; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.Font; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Display; import com.astra.ses.spell.gui.watchvariables.notification.VariableData; /****************************************************************************** * Provides the labels and icons for the callstack tree. * *****************************************************************************/ public class WatchVariablesLabelProvider implements ITableLabelProvider, ITableFontProvider, ITableColorProvider { /** Holds the bold font for globals */ private Font m_boldFont; /** Holds the normal font for locals */ private Font m_normalFont; /** Holds the color for notified items */ private Color m_notifiedBgColor; /** notified element foreground color */ private Color m_notifiedFgColor; /** Holds the background color for registered variables */ private Color m_registeredColor; /** Holds the scope changed color */ private Color m_scopeChangedColor; public WatchVariablesLabelProvider() { m_boldFont = new Font(Display.getDefault(), "Courier New", 10, SWT.BOLD); m_normalFont = new Font(Display.getDefault(), "Courier New", 10, SWT.NONE); m_notifiedBgColor = new Color(Display.getDefault(), 21, 80, 122); m_notifiedFgColor = Display.getDefault().getSystemColor(SWT.COLOR_WHITE); m_registeredColor = new Color(Display.getDefault(), 204, 234, 255); m_scopeChangedColor = new Color(Display.getDefault(), 218, 228, 235); } /* * (non-Javadoc) * * @see * org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse. * jface.viewers.ILabelProviderListener) */ @Override public void addListener(ILabelProviderListener listener) { } /* * (non-Javadoc) * * @see * org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse * .jface.viewers.ILabelProviderListener) */ @Override public void removeListener(ILabelProviderListener listener) { } /* * (non-Javadoc) * * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose() */ @Override public void dispose() { m_boldFont.dispose(); m_normalFont.dispose(); m_notifiedBgColor.dispose(); m_registeredColor.dispose(); m_scopeChangedColor.dispose(); } /* * (non-Javadoc) * * @see * org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang * .Object, java.lang.String) */ @Override public boolean isLabelProperty(Object element, String property) { return false; } /* * (non-Javadoc) * * @see * org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang * .Object, int) */ @Override public Image getColumnImage(Object element, int columnIndex) { return null; } /* * (non-Javadoc) * * @see * org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang * .Object, int) */ @Override public String getColumnText(Object element, int columnIndex) { String text = null; VariableData data = (VariableData) element; switch (WatchVariablesTableColumns.fromIndex(columnIndex)) { case NAME_COLUMN: text = data.name; break; case VALUE_COLUMN: boolean complex = (data.type.indexOf("dict") != -1) || (data.type.indexOf("list") != -1) || (data.type.indexOf("adapter.databases") != -1) || (data.type.indexOf("instance") != -1); if (complex) { text = "[...]"; } else { text = data.value; } break; } return text; } /* * (non-Javadoc) * * @see * org.eclipse.jface.viewers.ITableFontProvider#getFont(java.lang.Object, * int) */ @Override public Font getFont(Object element, int columnIndex) { VariableData data = (VariableData) element; if (data.isGlobal) { return m_boldFont; } return m_normalFont; } /* * (non-Javadoc) * * @see * org.eclipse.jface.viewers.ITableColorProvider#getForeground(java.lang * .Object, int) */ @Override public Color getForeground(Object element, int columnIndex) { VariableData data = (VariableData) element; if (data.isChanged) { return m_notifiedFgColor; } return null; } /* * (non-Javadoc) * * @see * org.eclipse.jface.viewers.ITableColorProvider#getBackground(java.lang * .Object, int) */ @Override public Color getBackground(Object element, int columnIndex) { VariableData data = (VariableData) element; Color bg = null; if (data.isRegistered) { bg = m_registeredColor; if (data.isChanged) { bg = m_notifiedBgColor; } } return bg; } }