1 package autotest.tko; 2 3 import com.google.gwt.event.dom.client.ChangeEvent; 4 import com.google.gwt.event.dom.client.ChangeHandler; 5 import com.google.gwt.event.dom.client.ClickEvent; 6 import com.google.gwt.event.dom.client.ClickHandler; 7 import com.google.gwt.event.logical.shared.CloseEvent; 8 import com.google.gwt.event.logical.shared.CloseHandler; 9 import com.google.gwt.event.logical.shared.OpenEvent; 10 import com.google.gwt.event.logical.shared.OpenHandler; 11 import com.google.gwt.user.client.DOM; 12 import com.google.gwt.user.client.Window; 13 import com.google.gwt.user.client.ui.Anchor; 14 import com.google.gwt.user.client.ui.Button; 15 import com.google.gwt.user.client.ui.Composite; 16 import com.google.gwt.user.client.ui.DisclosurePanel; 17 import com.google.gwt.user.client.ui.HorizontalPanel; 18 import com.google.gwt.user.client.ui.Panel; 19 import com.google.gwt.user.client.ui.TextArea; 20 21 import java.util.ArrayList; 22 import java.util.Map; 23 24 // TODO(showard): combine this code with similar code from autotest.afe.CreateJobView 25 public class FilterStringViewer extends Composite { 26 27 public static final String VIEW_FILTER_STRING = "View Filter String"; 28 public static final String HIDE_FILTER_STRING = "Hide Filter String"; 29 public static final String EDIT_FILTER_STRING = "Edit Filter String"; 30 public static final String UNEDIT_FILTER_STRING = "Revert Filter String"; 31 32 public static interface EditListener { onEdit()33 public void onEdit(); onRevert()34 public void onRevert(); 35 } 36 37 private Anchor view = new Anchor(VIEW_FILTER_STRING); 38 private Button edit = new Button(EDIT_FILTER_STRING); 39 private TextArea queries = new TextArea(); 40 private DisclosurePanel queriesPanel = new DisclosurePanel(); 41 private boolean filterEdited = false; 42 private boolean viewerEditable = false; 43 private ArrayList<EditListener> listeners = new ArrayList<EditListener>(); 44 FilterStringViewer()45 public FilterStringViewer() { 46 edit.addClickHandler(new ClickHandler() { 47 public void onClick(ClickEvent event) { 48 changeEditable(true); 49 } 50 }); 51 52 queries.setSize("35em", "10em"); 53 queries.setReadOnly(true); 54 queries.addChangeHandler(new ChangeHandler() { 55 public void onChange(ChangeEvent event) { 56 filterEdited = true; 57 } 58 }); 59 60 Panel viewerHeaderPanel = new HorizontalPanel(); 61 viewerHeaderPanel.add(view); 62 viewerHeaderPanel.add(edit); 63 64 queriesPanel.setHeader(viewerHeaderPanel); 65 queriesPanel.add(queries); 66 67 queriesPanel.addCloseHandler(new CloseHandler<DisclosurePanel>() { 68 public void onClose(CloseEvent<DisclosurePanel> e) { 69 view.setText(VIEW_FILTER_STRING); 70 } 71 }); 72 queriesPanel.addOpenHandler(new OpenHandler<DisclosurePanel>() { 73 public void onOpen(OpenEvent<DisclosurePanel> e) { 74 view.setText(HIDE_FILTER_STRING); 75 } 76 }); 77 78 initWidget(queriesPanel); 79 } 80 setText(String text)81 public void setText(String text) { 82 queries.setText(text); 83 } 84 getText()85 public String getText() { 86 return queries.getText(); 87 } 88 addEditListener(EditListener listener)89 public void addEditListener(EditListener listener) { 90 listeners.add(listener); 91 } 92 addToHistory(Map<String, String> args, String prefix)93 protected void addToHistory(Map<String, String> args, String prefix) { 94 args.put(prefix + "_viewerOpen", String.valueOf(queriesPanel.isOpen())); 95 args.put(prefix + "_viewerEditable", String.valueOf(viewerEditable)); 96 if (viewerEditable) { 97 args.put(prefix + "_viewerEdited", String.valueOf(filterEdited)); 98 if (filterEdited) { 99 args.put(prefix + "_viewerText", queries.getText()); 100 } 101 } 102 } 103 handleHistoryArguments(Map<String, String> args, String prefix)104 protected void handleHistoryArguments(Map<String, String> args, String prefix) { 105 // No _viewerOpen parameter. This is a preconfig without a specified custom filter. 106 if (args.get(prefix + "_viewerOpen") == null) { 107 queriesPanel.setOpen(false); 108 if (viewerEditable) { 109 changeEditable(false); 110 } 111 return; 112 } 113 114 queriesPanel.setOpen(Boolean.parseBoolean(args.get(prefix + "_viewerOpen"))); 115 if (viewerEditable) { 116 changeEditable(false); 117 } 118 if (Boolean.parseBoolean(args.get(prefix + "_viewerEditable"))) { 119 changeEditable(false); 120 filterEdited = Boolean.parseBoolean(args.get(prefix + "_viewerEdited")); 121 if (filterEdited) { 122 queries.setText(args.get(prefix + "_viewerText")); 123 } 124 } 125 } 126 127 // Change the viewer's editable state changeEditable(boolean clicked)128 private void changeEditable(boolean clicked) { 129 if (clicked) { 130 DOM.eventGetCurrentEvent().stopPropagation(); 131 } 132 133 if (viewerEditable) { 134 // We only want the confirmation on revert from an edited viewer, and only if "revert" 135 // was clicked (not on programmatic revert) 136 boolean userCancelled = filterEdited && clicked 137 && !Window.confirm("Are you sure you want to revert your changes?"); 138 if (userCancelled) { 139 return; 140 } 141 142 viewerEditable = false; 143 filterEdited = false; 144 queries.setReadOnly(true); 145 edit.setText(EDIT_FILTER_STRING); 146 for (EditListener listener : listeners) { 147 listener.onRevert(); 148 } 149 } else { 150 viewerEditable = true; 151 queries.setReadOnly(false); 152 edit.setText(UNEDIT_FILTER_STRING); 153 queriesPanel.setOpen(true); 154 for (EditListener listener : listeners) { 155 listener.onEdit(); 156 } 157 } 158 } 159 } 160