Example usage for com.google.gwt.event.logical.shared ValueChangeEvent fire

Introduction

In this page you can find the example usage for com.google.gwt.event.logical.shared ValueChangeEvent fire.

Prototype

public static <T> void fire(HasValueChangeHandlers<T> source, T value)

Source Link

Document

Fires a value change event on all registered handlers in the handler manager.

Usage

From source file:gwt.material.design.client.base.AbstractValueWidget.java

License:Apache License

@Override
public void setValue(V value, boolean fireEvents) {
    if (fireEvents) {
        ValueChangeEvent.fire(this, value);
    }
}

From source file:gwt.material.design.client.base.BaseCheckBox.java

License:Apache License

/**
 * Checks or unchecks the check box, firing {@link ValueChangeEvent} if
 * appropriate./* w ww  . ja  va  2s . co m*/
 * <p>
 * Note that this <em>does not</em> set the value property of the checkbox
 * input element wrapped by this widget. For access to that property, see
 * {@link #setFormValue(String)}
 *
 * @param value true to check, false to uncheck; null value implies false
 * @param fireEvents If true, and value has changed, fire a
 *          {@link ValueChangeEvent}
 */
@Override
public void setValue(Boolean value, boolean fireEvents) {
    if (value == null) {
        value = Boolean.FALSE;
    }

    Boolean oldValue = getValue();
    inputElem.setChecked(value);
    inputElem.setDefaultChecked(value);
    if (value.equals(oldValue)) {
        return;
    }
    if (fireEvents) {
        ValueChangeEvent.fire(this, value);
    }
}

From source file:gwt.material.design.client.base.BaseCheckBox.java

License:Apache License

protected void ensureDomEventHandlers() {
    addClickHandler(new ClickHandler() {
        @Override//from   w w  w .  j  a v a2  s.c  o m
        public void onClick(ClickEvent event) {
            // Checkboxes always toggle their value, no need to compare
            // with old value. Radio buttons are not so lucky, see
            // overrides in RadioButton
            ValueChangeEvent.fire(BaseCheckBox.this, getValue());
        }
    });
}

From source file:gwt.material.design.client.ui.MaterialAutoComplete.java

License:Apache License

/**
 * Generate and build the List Items to be set on Auto Complete box.
 *///www. j a  va2 s  .  co m
private void generateAutoComplete(SuggestOracle suggestions) {
    list.setStyleName("multiValueSuggestBox-list");
    this.suggestions = suggestions;
    final ListItem item = new ListItem();

    item.setStyleName("multiValueSuggestBox-input-token");
    box = new SuggestBox(suggestions, itemBox);
    setLimit(this.limit);
    String autocompleteId = DOM.createUniqueId();
    itemBox.getElement().setId(autocompleteId);

    item.add(box);
    list.add(item);

    list.addDomHandler(new ClickHandler() {
        @Override
        public void onClick(ClickEvent event) {
            box.showSuggestionList();
        }
    }, ClickEvent.getType());

    itemBox.addKeyDownHandler(new KeyDownHandler() {
        public void onKeyDown(KeyDownEvent event) {
            boolean itemsChanged = false;

            switch (event.getNativeKeyCode()) {
            case KeyCodes.KEY_ENTER:
                if (directInputAllowed) {
                    String value = itemBox.getValue();
                    if (value != null && !(value = value.trim()).isEmpty()) {
                        gwt.material.design.client.base.Suggestion directInput = new gwt.material.design.client.base.Suggestion();
                        directInput.setDisplay(value);
                        directInput.setSuggestion(value);
                        itemsChanged = addItem(directInput);
                        itemBox.setValue("");
                        itemBox.setFocus(true);
                    }
                }
                break;

            case KeyCodes.KEY_BACKSPACE:
                if (itemBox.getValue().trim().isEmpty()) {
                    if (itemsHighlighted.isEmpty()) {
                        if (suggestionMap.size() > 0) {

                            ListItem li = (ListItem) list.getWidget(list.getWidgetCount() - 2);
                            MaterialChip p = (MaterialChip) li.getWidget(0);

                            Set<Entry<Suggestion, MaterialChip>> entrySet = suggestionMap.entrySet();
                            for (Entry<Suggestion, MaterialChip> entry : entrySet) {
                                if (p.equals(entry.getValue())) {
                                    suggestionMap.remove(entry.getKey());
                                    itemsChanged = true;
                                    break;
                                }
                            }

                            list.remove(li);
                        }
                    }
                }

            case KeyCodes.KEY_DELETE:
                if (itemBox.getValue().trim().isEmpty()) {
                    for (ListItem li : itemsHighlighted) {
                        li.removeFromParent();
                        MaterialChip p = (MaterialChip) li.getWidget(0);

                        Set<Entry<Suggestion, MaterialChip>> entrySet = suggestionMap.entrySet();
                        for (Entry<Suggestion, MaterialChip> entry : entrySet) {
                            if (p.equals(entry.getValue())) {
                                suggestionMap.remove(entry.getKey());
                                itemsChanged = true;
                                break;
                            }
                        }
                    }
                    itemsHighlighted.clear();
                }
                itemBox.setFocus(true);
                break;
            }

            if (itemsChanged) {
                ValueChangeEvent.fire(MaterialAutoComplete.this, getValue());
            }
        }
    });

    itemBox.addClickHandler(new ClickHandler() {
        @Override
        public void onClick(ClickEvent event) {
            box.showSuggestionList();
        }
    });

    box.addSelectionHandler(new SelectionHandler<Suggestion>() {
        public void onSelection(SelectionEvent<Suggestion> selectionEvent) {
            Suggestion selectedItem = selectionEvent.getSelectedItem();
            itemBox.setValue("");
            if (addItem(selectedItem)) {
                ValueChangeEvent.fire(MaterialAutoComplete.this, getValue());
            }
            itemBox.setFocus(true);
        }
    });

    panel.add(list);
    panel.getElement().setAttribute("onclick", "document.getElementById('" + autocompleteId + "').focus()");
    panel.add(lblError);
    box.setFocus(true);
}

From source file:gwt.material.design.client.ui.MaterialAutoComplete.java

License:Apache License

/**
 * Adding the item value using Material Chips added on auto complete box
 *///from  w w w.  j a v a2  s  . co m
protected boolean addItem(final Suggestion suggestion) {
    if (getLimit() > 0) {
        if (suggestionMap.size() >= getLimit()) {
            return false;
        }
    }

    if (suggestionMap.containsKey(suggestion)) {
        return false;
    }

    final MaterialChip chip = chipProvider.getChip(suggestion);
    if (chip == null) {
        return false;
    }

    final ListItem displayItem = new ListItem();
    displayItem.setStyleName("multiValueSuggestBox-token");

    chip.setIconType(IconType.CLOSE);
    chip.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent clickEvent) {
            if (itemsHighlighted.contains(displayItem)) {
                chip.removeStyleName("blue white-text");
                itemsHighlighted.remove(displayItem);
            } else {
                chip.addStyleName("blue white-text");
                itemsHighlighted.add(displayItem);
            }
        }
    });

    chip.getIcon().addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent clickEvent) {
            suggestionMap.remove(suggestion);
            list.remove(displayItem);
            ValueChangeEvent.fire(MaterialAutoComplete.this, getValue());
            box.showSuggestionList();
        }
    });

    suggestionMap.put(suggestion, chip);
    if (getType() == AutocompleteType.TEXT) {
        suggestionMap.clear();
        itemBox.setText(suggestion.getDisplayString());
        displayItem.add(itemBox);
    } else {
        displayItem.add(chip);
    }
    list.insert(displayItem, list.getWidgetCount() - 1);
    return true;
}

From source file:gwt.material.design.client.ui.MaterialAutoComplete.java

License:Apache License

@Override
public void setValue(List<? extends Suggestion> value, boolean fireEvents) {
    clear();//from  w  w w  .j a  va2 s .c  o  m
    if (value != null) {
        for (Suggestion suggestion : value) {
            addItem(suggestion);
        }
    }
    if (fireEvents) {
        ValueChangeEvent.fire(this, getValue());
    }
}

From source file:gwt.material.design.client.ui.MaterialListValueBox.java

License:Apache License

protected void onChangeInternal() {
    try {//from  w  w w. j a va 2s  .  c  o  m
        ValueChangeEvent.fire(this, values.get(getSelectedIndex()));
    } catch (IndexOutOfBoundsException ex) {
        GWT.log("onChangeInternal threw an exception", ex);
    }
}

From source file:gwt.material.design.client.ui.MaterialSwitch.java

License:Apache License

/**
 * Set the value of switch component./* w w  w.  j a  v  a  2  s. c  o m*/
 */
@Override
public void setValue(Boolean value, boolean fireEvents) {
    boolean oldValue = getValue();
    if (value) {
        input.getElement().setAttribute("checked", "true");
    } else {
        input.getElement().removeAttribute("checked");
    }

    if (fireEvents && oldValue != value) {
        ValueChangeEvent.fire(this, getValue());
    }
}

From source file:gwt.material.design.client.ui.MaterialTextArea.java

License:Apache License

@Override
public void setValue(String value, boolean fireEvents) {
    super.setValue(value, fireEvents);

    if (fireEvents) {
        ValueChangeEvent.fire(this, value);
    }// ww w . j a  v a  2  s.  c  om
}

From source file:gwt.material.design.components.client.base.mixin.HasValueMixin.java

License:Apache License

public void fireChangeEvent() {
    ValueChangeEvent.fire(uiObject, uiObject.getValue());
}