Java Code Examples for com.google.gwt.event.dom.client.ChangeEvent

The following examples show how to use com.google.gwt.event.dom.client.ChangeEvent. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: cuba   Source File: SuggestPopup.java    License: Apache License 2.0 6 votes vote down vote up
@Override
public void onChange(ChangeEvent event) {
	if (descriptionPopup == null) {
		createDescriptionPopup();
	}

	int selected = choiceList.getSelectedIndex();
	String descr = visibleSuggs.get(selected).descriptionText;

	if (descr != null && !descr.isEmpty()) {
		((HTML) descriptionPopup.getWidget()).setHTML(descr);
           if (showDescriptions) {
               descriptionPopup.show();
           }
       } else {
		descriptionPopup.hide();
	}
}
 
Example 2
Source Project: unitime   Source File: ChangeGradeModesDialog.java    License: Apache License 2.0 6 votes vote down vote up
public GradeModeChange(ClassAssignmentInterface.ClassAssignment ca, SpecialRegistrationGradeModeChanges gradeMode) {
	super(null);
	iList = new ListBox();
	iList.addStyleName("grade-mode-list");
	iClasses = new ArrayList<ClassAssignmentInterface.ClassAssignment>();
	iClasses.add(ca);
	iGradeMode = new ArrayList<SpecialRegistrationGradeModeChanges>();
	iGradeMode.add(gradeMode);
	iList.addChangeHandler(new ChangeHandler() {
		@Override
		public void onChange(ChangeEvent event) {
			formChanged();
		}
	});
	setup();
}
 
Example 3
Source Project: unitime   Source File: ChangeGradeModesDialog.java    License: Apache License 2.0 6 votes vote down vote up
public GradeModeLabel(GradeModeChange change, SpecialRegistrationGradeModeChanges gradeMode) {
	super(null);
	iGradeMode = gradeMode;
	iLabel = new Label();
	iLabel.addStyleName("grade-mode-label");
	iLabel.setText(iGradeMode.getCurrentGradeMode() == null ? "" : iGradeMode.getCurrentGradeMode().getLabel());
	final ListBox box = (ListBox)change.getWidget(); 
	box.addChangeHandler(new ChangeHandler() {
		@Override
		public void onChange(ChangeEvent event) {
			if (box.getSelectedIndex() <= 0) {
				iLabel.setText(iGradeMode.getCurrentGradeMode() == null ? "" : iGradeMode.getCurrentGradeMode().getLabel());
			} else {
				SpecialRegistrationGradeMode m = iGradeMode.getAvailableChange(box.getValue(box.getSelectedIndex()));
				if (m == null) {
					iLabel.setText(iGradeMode.getCurrentGradeMode() == null ? "" : iGradeMode.getCurrentGradeMode().getLabel());
				} else {
					iLabel.setText(m.getLabel());
				}
			}
		}
	});
}
 
Example 4
Source Project: swellrt   Source File: EventDispatcherPanel.java    License: Apache License 2.0 6 votes vote down vote up
@Override
boolean dispatch(ChangeEvent event, Element context, WaveChangeHandler handler) {
  Timer timer = null;
  if (Timing.isEnabled()) {
    Timing.enterScope();
    timer = Timing.start("Mouse event dispatch");
  }
  try {
    return handler.onChange(event, context);
  } finally {
    if (timer != null) {
      Timing.stop(timer);
      Timing.exitScope();
    }
  }
}
 
Example 5
Source Project: swcv   Source File: SettingsPanel.java    License: MIT License 6 votes vote down vote up
private Widget createAspectRatioListBox()
{
    final ListBox box = new ListBox();
    for (WCAspectRatio algo : WCAspectRatioRegistry.list())
        box.addItem(algo.getDescription(), algo.getId());

    box.setSelectedIndex(findIndex(box, setting.getAspectRatio().getId()));

    box.addChangeHandler(new ChangeHandler()
    {
        public void onChange(ChangeEvent event)
        {
            WCAspectRatio value = WCAspectRatioRegistry.getById(box.getValue(box.getSelectedIndex()));
            setting.setAspectRatio(value);
        }
    });

    box.setTitle("Desired aspect ratio of the drawing");

    return box;
}
 
Example 6
Source Project: swcv   Source File: SettingsPanel.java    License: MIT License 6 votes vote down vote up
private Widget createLayoutListBox()
{
    final GroupedListBox box = new GroupedListBox();
    for (WCLayoutAlgo algo : WCLayoutAlgoRegistry.list())
        box.addItem(algo.getType() + " | " + algo.getDescription(), algo.getId());

    box.setSelectedIndex(findIndex(box, setting.getLayoutAlgorithm().getId()));

    box.addChangeHandler(new ChangeHandler()
    {
        public void onChange(ChangeEvent event)
        {
            WCLayoutAlgo value = WCLayoutAlgoRegistry.getById(box.getValue(box.getSelectedIndex()));
            setting.setLayoutAlgorithm(value);
        }
    });

    box.setTitle("Layout method for the word cloud");
    return box;
}
 
Example 7
Source Project: swcv   Source File: SettingsPanel.java    License: MIT License 6 votes vote down vote up
private ListBox createNumberListBox()
{
    final ListBox box = new ListBox();
    List<String> values = Arrays.asList("10", "20", "30", "40", "50", "75", "100", "125", "150", "200", "250", "300");

    for (int i = 0; i < values.size(); i++)
        box.addItem(values.get(i));

    box.setSelectedIndex(findIndex(box, String.valueOf(setting.getWordCount())));

    box.addChangeHandler(new ChangeHandler()
    {
        public void onChange(ChangeEvent event)
        {
            int value = Integer.parseInt(box.getValue(box.getSelectedIndex()));
            setting.setWordCount(value);
        }
    });

    box.setTitle("Number of words to include in the word cloud");

    return box;
}
 
Example 8
Source Project: swcv   Source File: SettingsPanel.java    License: MIT License 6 votes vote down vote up
private ListBox createFontListBox()
{
    final ListBox box = new ListBox();
    for (WCFont font : WCFontRegistry.list())
        box.addItem(font.getDescription(), font.getName());

    box.setSelectedIndex(findIndex(box, setting.getFont().getName()));

    box.addChangeHandler(new ChangeHandler()
    {
        public void onChange(ChangeEvent event)
        {
            WCFont value = WCFontRegistry.getByName(box.getValue(box.getSelectedIndex()));
            setting.setFont(value);
        }
    });

    box.setTitle("Font family of the words");
    return box;
}
 
Example 9
Source Project: swcv   Source File: SettingsPanel.java    License: MIT License 6 votes vote down vote up
private ListBox createRankingListBox()
{
    final ListBox box = new ListBox();
    for (WCRankingAlgo algo : WCRankingAlgoRegistry.list())
        box.addItem(algo.getDescription(), algo.getId());

    box.setSelectedIndex(findIndex(box, setting.getRankingAlgorithm().getId()));

    box.addChangeHandler(new ChangeHandler()
    {
        public void onChange(ChangeEvent event)
        {
            WCRankingAlgo value = WCRankingAlgoRegistry.getById(box.getValue(box.getSelectedIndex()));
            setting.setRankingAlgorithm(value);
        }
    });

    box.setTitle("Ranking method for computing word importance, which determines font size of each word");
    return box;
}
 
Example 10
Source Project: swcv   Source File: SettingsPanel.java    License: MIT License 6 votes vote down vote up
private Widget createColorListBox()
{
    final GroupedListBox box = new GroupedListBox();
    for (WCColorScheme scheme : WCColorSchemeRegistry.list())
        box.addItem(scheme.getType() + " | " + scheme.getDescription(), scheme.getName());

    box.setSelectedIndex(findIndex(box, setting.getColorScheme().getName()));

    box.addChangeHandler(new ChangeHandler()
    {
        public void onChange(ChangeEvent event)
        {
            WCColorScheme value = WCColorSchemeRegistry.getByName(box.getValue(box.getSelectedIndex()));
            setting.setColorScheme(value);
        }
    });

    box.setTitle("Color theme of the words");
    return box;
}
 
Example 11
Source Project: swcv   Source File: SettingsPanel.java    License: MIT License 6 votes vote down vote up
private Widget createSimilarityListBox()
{
    final ListBox box = new ListBox();
    for (WCSimilarityAlgo font : WCSimilarityAlgoRegistry.list())
        box.addItem(font.getDescription(), font.getId());

    box.setSelectedIndex(findIndex(box, setting.getSimilarityAlgorithm().getId()));

    box.addChangeHandler(new ChangeHandler()
    {
        public void onChange(ChangeEvent event)
        {
            WCSimilarityAlgo value = WCSimilarityAlgoRegistry.getById(box.getValue(box.getSelectedIndex()));
            setting.setSimilarityAlgorithm(value);
        }
    });

    box.setTitle("Similarity method for computing relatedness between words; similar words tend to be placed together");
    return box;
}
 
Example 12
Source Project: swcv   Source File: SettingsPanel.java    License: MIT License 6 votes vote down vote up
private Widget createMinLengthField()
{
    final IntegerBox box = new IntegerBox();
    box.setValue(setting.getMinWordLength());
    box.setMaxLength(2);
    box.setWidth("15px");

    box.addChangeHandler(new ChangeHandler()
    {
        @Override
        public void onChange(ChangeEvent event)
        {
            setting.setMinWordLength(box.getValue());
        }
    });

    box.setTitle("Specify the minimum number of characters in a word");
    return box;
}
 
Example 13
Source Project: dashbuilder   Source File: ClusterMetricsDashboard.java    License: Apache License 2.0 6 votes vote down vote up
@UiHandler("metricSelector")
public void onMetricSelected(ChangeEvent changeEvent) {

    // Dispose the current metric chart
    currentMetricChart.close();
    displayerCoordinator.removeDisplayer(currentMetricChart);

    // Create the metric chart
    String title = metricSelector.getValue(metricSelector.getSelectedIndex());
    currentMetricChart = createChartMetric(title);
    currentMetricChart.draw();
    displayerCoordinator.addDisplayer(currentMetricChart);

    // Update the dashboard view
    metricChartPanel.clear();
    metricChartPanel.add(currentMetricChart);
}
 
Example 14
@Override
boolean dispatch(ChangeEvent event, Element context, WaveChangeHandler handler) {
  Timer timer = null;
  if (Timing.isEnabled()) {
    Timing.enterScope();
    timer = Timing.start("Mouse event dispatch");
  }
  try {
    return handler.onChange(event, context);
  } finally {
    if (timer != null) {
      Timing.stop(timer);
      Timing.exitScope();
    }
  }
}
 
Example 15
Source Project: EasyML   Source File: ETLPopPanel.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Init etl program widget' right grid panel
 */
public void init_rightGrid(){
	Label table = new Label("table");
	Label column = new Label("column");
	Label format = new Label("format");
	rightGrid = new Grid(3,2);
	rightGrid.setWidget(1,0,table);
	tableLB = new DescListBox();
	tableLB.setVisibleItemCount(1);
	tableLB.setStyleName("bda-etlpanel-listbox");
	rightGrid.setWidget(1,1,tableLB);

	rightGrid.setWidget(2,0,column);
	columnLB = new DescListBox();
	columnLB.setMultipleSelect(true);
	columnLB.setVisibleItemCount(2);
	columnLB.setStyleName("bda-etlpanel-Multilistbox");
	rightGrid.setWidget(2,1,columnLB);

	rightGrid.setWidget(0,0,format);
	formatLB = new DescListBox();
	formatLB.addItem("json");
	formatLB.addItem("tsv");
	formatLB.addItem("csv");
	formatLB.addItem("parquet");
	formatLB.setVisibleItemCount(1);
	formatLB.setStyleName("bda-etlpanel-listbox");
	rightGrid.setWidget(0,1,formatLB);
	mid_westPanel.add(rightGrid);

	tableLB.addChangeHandler(new ChangeHandler() {
		@Override
		public void onChange(ChangeEvent changeEvent) {
			getColumn();
		}
	});
}
 
Example 16
/**
 * Creates a drop down menu for selecting Template repositories.
 * @return the drop down menu of repository Urls.
 */
private ListBox makeTemplatesMenu() {
  final ListBox templatesMenu = new ListBox();
  templatesMenu.addItem(MESSAGES.templateUploadNewUrlCaption());
  templatesMenu.addItem(MIT_TEMPLATES);

  for (int k = 0; k < dynamicTemplateUrls.size(); k++) { // Dynamically added Urls
    templatesMenu.addItem(dynamicTemplateUrls.get(k));
  }
  templatesMenu.setSelectedIndex(MIT_TEMPLATES_INDEX);
  templatesMenu.addChangeHandler(new ChangeHandler() {
      public void onChange(ChangeEvent event) {
        int selectedIndex = templatesMenu.getSelectedIndex();

        if (selectedIndex == 0) {
          templatesMenu.setSelectedIndex(lastSelectedIndex);
          usingExternalTemplate = true; // MIT templates at index 1
          removeButton.setVisible(false);
          new InputTemplateUrlWizard(instance).center();     // This will do a callback
        } else if (selectedIndex == 1) {
          removeButton.setVisible(false);          lastSelectedIndex = selectedIndex;
          usingExternalTemplate = false; // MIT templates at index 1
          templateHostUrl = "";
          retrieveSelectedTemplates(templatesMenu.getValue(selectedIndex));  // may do callback
        } else {
          removeButton.setVisible(true);         lastSelectedIndex = selectedIndex;
          usingExternalTemplate = true; // MIT templates at index 1
          templateHostUrl = templatesMenu.getValue(selectedIndex);
          retrieveSelectedTemplates(templatesMenu.getValue(selectedIndex));  // may do callback
        }
      }
    });
  templatesMenu.setVisibleItemCount(1);  // Turns menu into a drop-down list).
  return templatesMenu;
}
 
Example 17
Source Project: cuba   Source File: CubaListSelectWidget.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public void onChange(ChangeEvent event) {
    if (!isEnabled() || isReadonly()) {
        return;
    }

    super.onChange(event);
}
 
Example 18
Source Project: gwt-material   Source File: MaterialRangeTest.java    License: Apache License 2.0 5 votes vote down vote up
public void testChangeHandler() {
    MaterialRange range = getWidget();

    final boolean[] firedEvent = {false};
    range.addChangeHandler(changeEvent -> firedEvent[0] = true);
    ChangeEvent.fireNativeEvent(Document.get().createChangeEvent(), range.getRangeInputElement());
    assertTrue(firedEvent[0]);
}
 
Example 19
private FormPanel getFilePanel() {
	VerticalLayoutContainer layoutContainer = new VerticalLayoutContainer();

	file = new FileUploadField();

	file.addChangeHandler(new ChangeHandler() {
		@Override
		public void onChange(ChangeEvent event) {
			setAutoFormat(file.getValue());
			String name = file.getValue().substring(0, file.getValue().lastIndexOf("."));
			name = name.substring(file.getValue().lastIndexOf("\\") +1);
			layerName.setText(name);
		}
	});

	file.setName(UIMessages.INSTANCE.gdidFileUploadFieldText());
	file.setAllowBlank(false);

	layoutContainer.add(new FieldLabel(file, UIMessages.INSTANCE.file()),
			new VerticalLayoutData(-18, -1));
	layoutContainer.add(new Label(UIMessages.INSTANCE.maxFileSizeText()),
			new VerticalLayoutData(-18, -1));

	uploadPanel = new FormPanel();
	uploadPanel.setMethod(Method.POST);
	uploadPanel.setEncoding(Encoding.MULTIPART);
	uploadPanel.setAction("fileupload.do");
	uploadPanel.setWidget(layoutContainer);

	return uploadPanel;
}
 
Example 20
Source Project: unitime   Source File: ClassificationsEdit.java    License: Apache License 2.0 5 votes vote down vote up
public MyCell(CurriculumInterface curriculum, CurriculumClassificationInterface classification) {
	iCurriculum	= curriculum;
	iClasf = classification;
	
	iPanel = new HorizontalPanel();
	
	iTextBox = new UniTimeTextBox(6, ValueBoxBase.TextAlignment.RIGHT);
	iTextBox.addChangeHandler(new ChangeHandler() {
		@Override
		public void onChange(ChangeEvent event) {
			try {
				if (iTextBox.getText().isEmpty()) {
					iClasf.setExpected(null);
				} else {
					iClasf.setExpected(Integer.valueOf(iTextBox.getText()));
				}
			} catch (Exception e) {
				iClasf.setExpected(null);
			}
			update();
			for (MySumCell sum: iSums)
				sum.update();
		}
	});
	
	iRearLabel = new HTML("", false);
	iRearLabel.setWidth("50px");
	iRearLabel.setStyleName("unitime-Label");
	iRearLabel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_RIGHT);
	
	iPanel.add(iTextBox);
	iPanel.setCellVerticalAlignment(iTextBox, HasVerticalAlignment.ALIGN_MIDDLE);
	
	iPanel.add(iRearLabel);
	iPanel.setCellVerticalAlignment(iRearLabel, HasVerticalAlignment.ALIGN_MIDDLE);

	initWidget(iPanel);	
	
	update();
}
 
Example 21
Source Project: unitime   Source File: CurriculaCourses.java    License: Apache License 2.0 5 votes vote down vote up
public ShareTextBox(int column, Float share, Float defaultShare) {
	super(6, ValueBoxBase.TextAlignment.RIGHT);
	iColumn = column;
	iShare = share;
	iDefaultShare = defaultShare;
	addChangeHandler(new ChangeHandler() {
		@Override
		public void onChange(ChangeEvent event) {
			try {
				if (getText().isEmpty()) {
					iShare = null;
				} else if (getText().endsWith("%")) {
					iShare = (float)NF.parse(getText().substring(0, getText().length() - 1)) / 100.0f;
					if (iShare > 1.0f) iShare = 1.0f;
					if (iShare <= 0.0f) iShare = 0.0f;
				} else {
					Integer exp = iClassifications.getExpected(iColumn);
					if (exp == null || exp == 0)
						iShare = (float)NF.parse(getText()) / 100.0f;
					else
						iShare = (float)NF.parse(getText()) / iClassifications.getExpected(iColumn);
					if (iShare > 1.0f) iShare = 1.0f;
					if (iShare < 0.0f) iShare = 0.0f;
				}
			} catch (Exception e) {
				iShare = null;
			}
			update();
		}
	});
	update();
}
 
Example 22
Source Project: unitime   Source File: ChangeGradeModesDialog.java    License: Apache License 2.0 5 votes vote down vote up
public VariableCreditChange(ClassAssignmentInterface.ClassAssignment ca, SpecialRegistrationVariableCreditChange vcc) {
	super(null);
	iList = new ListBox();
	iList.addStyleName("variable-credit-list");
	iClass = ca;
	iVarCredit = vcc;
	iList.addChangeHandler(new ChangeHandler() {
		@Override
		public void onChange(ChangeEvent event) {
			formChanged();
		}
	});
	setup();
}
 
Example 23
Source Project: swellrt   Source File: SearchWidget.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public void onChange(ChangeEvent event) {
  if (query.getValue() == null || query.getValue().isEmpty()) {
    query.setText(DEFAULT_QUERY);
  }
  onQuery();
}
 
Example 24
Source Project: swellrt   Source File: WebClient.java    License: Apache License 2.0 5 votes vote down vote up
private void setupLocaleSelect() {
  final SelectElement select = (SelectElement) Document.get().getElementById("lang");
  String currentLocale = LocaleInfo.getCurrentLocale().getLocaleName();
  String[] localeNames = LocaleInfo.getAvailableLocaleNames();
  for (String locale : localeNames) {
    if (!DEFAULT_LOCALE.equals(locale)) {
      String displayName = LocaleInfo.getLocaleNativeDisplayName(locale);
      OptionElement option = Document.get().createOptionElement();
      option.setValue(locale);
      option.setText(displayName);
      select.add(option, null);
      if (locale.equals(currentLocale)) {
        select.setSelectedIndex(select.getLength() - 1);
      }
    }
  }
  EventDispatcherPanel.of(select).registerChangeHandler(null, new WaveChangeHandler() {

    @Override
    public boolean onChange(ChangeEvent event, Element context) {
      UrlBuilder builder = Location.createUrlBuilder().setParameter(
              "locale", select.getValue());
      Window.Location.replace(builder.buildString());
      localeService.storeLocale(select.getValue());
      return true;
    }
  });
}
 
Example 25
Source Project: swcv   Source File: SettingsPanel.java    License: MIT License 5 votes vote down vote up
private ListBox createLanguageListBox()
{
    final ListBox box = new ListBox();
    box.addItem("Arabic", "ar");
    box.addItem("Czech", "cs");
    box.addItem("Danish", "da");
    box.addItem("Dutch", "nl");
    box.addItem("English", "en");
    box.addItem("Finnish", "fi");
    box.addItem("French", "fr");
    box.addItem("German", "de");
    box.addItem("Greek", "el");
    box.addItem("Hungarian", "hu");
    box.addItem("Italian", "it");
    box.addItem("Japanese", "ja");
    box.addItem("Norwegian", "no");
    box.addItem("Polish", "pl");
    box.addItem("Portuguese", "pt");
    box.addItem("Russian", "ru");
    box.addItem("Spanish", "es");
    box.addItem("Swedish", "sv");
    box.addItem("Turkish", "tr");

    box.setSelectedIndex(findIndex(box, setting.getLanguage()));
    setNonEnglishText("en".equals(setting.getLanguage()));

    box.addChangeHandler(new ChangeHandler()
    {
        public void onChange(ChangeEvent event)
        {
            String value = box.getValue(box.getSelectedIndex());
            setting.setLanguage(value);
            setNonEnglishText("en".equals(value));
        }
    });

    box.setTitle("Language of text");

    return box;
}
 
Example 26
Source Project: gwt-traction   Source File: SingleListBox.java    License: Apache License 2.0 5 votes vote down vote up
protected SingleListBox(boolean addMissingValue, boolean isMultipleSelect) {
super(isMultipleSelect);
setAddMissingValue(addMissingValue);

// Listen to our own change events and broadcast as
// ValueChangeEvent<String>
addChangeHandler(new ChangeHandler() {
           @Override
           public void onChange(ChangeEvent event) {
               ValueChangeEvent.fire(SingleListBox.this, getValue());
           }
});        
   }
 
Example 27
Source Project: dashbuilder   Source File: RendererSelectorListBoxView.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public void init(final RendererSelector presenter) {
    this.presenter = presenter;
    initWidget(uiBinder.createAndBindUi(this));

    listBox.addChangeHandler(new ChangeHandler() {
        public void onChange(ChangeEvent event) {
            presenter.onRendererSelected();
        }
    });
}
 
Example 28
Source Project: dashbuilder   Source File: SelectorDisplayerView.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public void setFilterEnabled(boolean enabled) {
    if (enabled) {
        listBox.addChangeHandler(new ChangeHandler() {
            public void onChange(ChangeEvent event) {
                getPresenter().onItemSelected();
            }
        });
    }
}
 
Example 29
UploadForm() {
	this.formPanel.getElement().getStyle().setHeight(0, Unit.PX);
	this.formPanel.getElement().getStyle().setWidth(0, Unit.PX);
	this.formPanel.getElement().getStyle().setOverflow(Overflow.HIDDEN);
	this.formPanel.add(this.fileUpload);

	this.fileUpload.setName("data");

	this.handlerRegistrations.add(this.fileUpload.addChangeHandler(new ChangeHandler() {
		@Override
		public void onChange(ChangeEvent event) {
			uploadData(fileUpload.getElement());
		}
	}));
}
 
Example 30
Source Project: incubator-retired-wave   Source File: SearchWidget.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public void onChange(ChangeEvent event) {
  if (query.getValue() == null || query.getValue().isEmpty()) {
    query.setText(DEFAULT_QUERY);
  }
  onQuery();
}