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package org.kuali.student.common.ui.client.mvc.breadcrumb; |
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import java.util.ArrayList; |
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import java.util.List; |
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import org.kuali.student.common.ui.client.mvc.Controller; |
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import org.kuali.student.common.ui.client.mvc.history.HistoryManager; |
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import org.kuali.student.common.ui.client.widgets.field.layout.element.SpanPanel; |
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import com.google.gwt.user.client.ui.ComplexPanel; |
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import com.google.gwt.user.client.ui.Composite; |
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import com.google.gwt.user.client.ui.Hyperlink; |
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import com.google.gwt.user.client.ui.InlineLabel; |
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import com.google.gwt.user.client.ui.Panel; |
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import com.google.gwt.user.client.ui.Widget; |
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| 17 | 0 | public class BreadcrumbManager extends Composite{ |
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| 19 | 0 | public static List<Hyperlink> links = new ArrayList<Hyperlink>(); |
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| 21 | 0 | private static List<String> names = new ArrayList<String>(); |
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private static Controller root; |
| 24 | 0 | private static ComplexPanel panel = new SpanPanel(); |
| 25 | 0 | private static boolean panelEmpty = true; |
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private static Panel parentPanel; |
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| 29 | 0 | private static class BreadcrumbData{ |
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private String name; |
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private String path; |
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public BreadcrumbData(String name, String path) { |
| 33 | 0 | super(); |
| 34 | 0 | this.name = name; |
| 35 | 0 | this.path = path; |
| 36 | 0 | } |
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} |
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public static void bind(Controller controller){ |
| 40 | 0 | root = controller; |
| 41 | 0 | } |
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public static void updateLinks(String historyStack){ |
| 44 | 0 | links.clear(); |
| 45 | 0 | panel.clear(); |
| 46 | 0 | panelEmpty = true; |
| 47 | 0 | names.clear(); |
| 48 | 0 | root.collectBreadcrumbNames(names); |
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|
| 50 | 0 | String[] arr = HistoryManager.splitHistoryStack(historyStack); |
| 51 | 0 | List<BreadcrumbData> breadcrumbs = new ArrayList<BreadcrumbData>(); |
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| 53 | 0 | if(arr.length == names.size()){ |
| 54 | 0 | String path = ""; |
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| 56 | 0 | for(int i = 1; i < names.size(); i++){ |
| 57 | 0 | path = path + "/" + arr[i]; |
| 58 | 0 | String name = names.get(i); |
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|
| 60 | 0 | if(name != null && !name.isEmpty()){ |
| 61 | 0 | breadcrumbs.add(new BreadcrumbData(name, path)); |
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} |
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} |
| 64 | 0 | } |
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|
| 67 | 0 | else if(names.size() > arr.length){ |
| 68 | 0 | String path = ""; |
| 69 | 0 | int j = 1; |
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|
| 71 | 0 | for(int i = 1; i < names.size(); i++){ |
| 72 | 0 | String name = names.get(i); |
| 73 | 0 | if(name.contains("@")){ |
| 74 | 0 | String[] split = name.split("@"); |
| 75 | 0 | name = split[0]; |
| 76 | 0 | if(name != null && !name.isEmpty()){ |
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|
| 78 | 0 | breadcrumbs.add(new BreadcrumbData(name, split[1])); |
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} |
| 80 | 0 | } |
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else{ |
| 82 | 0 | if(j == arr.length){ |
| 83 | 0 | break; |
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} |
| 85 | 0 | path = path + "/" + arr[j]; |
| 86 | 0 | j++; |
| 87 | 0 | if(name != null && !name.isEmpty()){ |
| 88 | 0 | breadcrumbs.add(new BreadcrumbData(name, path)); |
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} |
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} |
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} |
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} |
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|
| 94 | 0 | if(parentPanel != null){ |
| 95 | 0 | if(breadcrumbs.size() == 1){ |
| 96 | 0 | panel.getParent().setVisible(false); |
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} |
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else{ |
| 99 | 0 | panel.getParent().setVisible(true); |
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|
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} |
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} |
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|
| 104 | 0 | for(int i = 0; i < breadcrumbs.size(); i++){ |
| 105 | 0 | if(i < breadcrumbs.size() - 1){ |
| 106 | 0 | createLink(breadcrumbs.get(i).name, breadcrumbs.get(i).path); |
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} |
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else{ |
| 109 | 0 | createLabel(breadcrumbs.get(i).name); |
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|
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} |
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} |
| 113 | 0 | } |
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private static void createLabel(String name){ |
| 116 | 0 | addToPanel(new InlineLabel(name)); |
| 117 | 0 | } |
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private static void createLink(String name, final String viewPath){ |
| 120 | 0 | Hyperlink link = new Hyperlink(name, viewPath); |
| 121 | 0 | links.add(link); |
| 122 | 0 | addToPanel(link); |
| 123 | 0 | } |
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private static void addToPanel(Widget w){ |
| 126 | 0 | if(panelEmpty){ |
| 127 | 0 | panel.add(w); |
| 128 | 0 | panelEmpty = false; |
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} |
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else{ |
| 131 | 0 | panel.add(new InlineLabel(" \u00BB ")); |
| 132 | 0 | panel.add(w); |
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} |
| 134 | 0 | } |
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public static ComplexPanel getBreadcrumbPanel(){ |
| 137 | 0 | return panel; |
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} |
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public static void setParentPanel(Panel panel){ |
| 141 | 0 | parentPanel = panel; |
| 142 | 0 | parentPanel.setVisible(false); |
| 143 | 0 | } |
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} |