| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> |
| <html> |
| <head> |
| <meta name="copyright" content="Copyright (c) IBM Corporation and others 2000, 2005. This page is made available under license. For full details see the LEGAL in the documentation book that contains this page." > |
| |
| <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=ISO-8859-1"> |
| <META HTTP-EQUIV="Content-Style-Type" CONTENT="text/css"> |
| |
| <LINK REL="STYLESHEET" HREF="../book.css" CHARSET="ISO-8859-1" TYPE="text/css"> |
| <TITLE> |
| Support for displaying markers |
| </TITLE> |
| |
| <link rel="stylesheet" type="text/css" HREF="../book.css"> |
| </head> |
| |
| <body> |
| <h2>Support for displaying markers</h2> |
| <p>The <a href="../reference/extension-points/org_eclipse_ui_ide_markerSupport.html">org.eclipse.ui.ide.markerSupport</a> |
| extension point provides facilities for controlling how markers are displayed and organized in the UI. |
| This extension point handles filters and grouping in views such as the Problems view.</p> |
| <p><strong>Filters</strong></p> |
| <p>The Problems view supports multiple filters at once. When multiple filters |
| are enabled, any marker that matches one or more filters will be displayed. |
| New filters can be added |
| using the <tt>problemFilter</tt> element or manually by the user. Below is |
| the filters section of the Problems view showing user filters and filters added |
| via the extension point (system filters).</p> |
| <p><img src="images/problems_view_filters.png"></p> |
| <p><strong>Groups</strong></p> |
| <p>Markers can be grouped in two ways. The first way is to group marker types |
| into groups using the <code>markerTypeCategory</code> element. This is shown |
| when the user selects <b>Group By > Type</b>. Below is an example showing Java |
| Problems and some using a test grouping.</p> |
| <p><img src="images/problems_view_groupByType.png"></p> |
| <p>When marker types are grouped together they will be shown in those groups in |
| the filters dialog.</p> |
| <p><img src="images/problems_view_markerTypeCat.png"></p> |
| <p>You can also create your own grouping using the <code>markerGrouping</code> |
| element, which will show up as an extra entry in the <b>Group By</b> menu of the |
| Problems view. The IDE provides a grouping based on severity (the default). |
| The Java development tools provide a Java Type grouping.</p> |
| <p><code>markerGroupings</code> are resolved by checking attributes on the <a href="../reference/api/org/eclipse/core/resources/IMarker.html">IMarker</a>. |
| <code>markerAttributeMappings</code> are used to specify these mappings. Below |
| is the Group By menu with the extra <code>markerGroupings</code> that have been |
| added. The Problems view is currently grouped by severity.</p> |
| <p><img src="images/problemsview_groups.png"></p> |
| <p></p> |
| </body> |
| </html> |
