[gogoego] r3707 committed - support for generics
codesite...@google.com
Author: carl....@solertium.com
Date: Thu Jul 15 15:09:28 2010
Log: support for generics
http://code.google.com/p/gogoego/source/detail?r=3707
Added:
/trunk/modules/com.solertium.util.gwt/src/com/solertium/util/gwt/ui/GenericHTMLMultipleListBox.java
Modified:
/trunk/modules/com.solertium.util.gwt/src/com/solertium/util/gwt/ui/HTMLMultipleListBox.java
=======================================
--- /dev/null
+++
/trunk/modules/com.solertium.util.gwt/src/com/solertium/util/gwt/ui/GenericHTMLMultipleListBox.java
Thu Jul 15 15:09:28 2010
@@ -0,0 +1,325 @@
+/*
+ * Copyright (C) 2007-2009 Solertium Corporation
+ *
+ * This file is part of the open source GoGoEgo project.
+ *
+ * Unless you have been granted a different license in writing by the
+ * copyright holders for GoGoEgo, you may only modify or redistribute
+ * this code under the terms of one of the following licenses:
+ *
+ * 1) The Eclipse Public License, v.1.0
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * 2) The GNU General Public License, version 2 or later
+ * http://www.gnu.org/licenses
+ */
+package com.solertium.util.gwt.ui;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+
+import com.google.gwt.user.client.DOM;
+import com.google.gwt.user.client.Event;
+import com.google.gwt.user.client.Timer;
+import com.google.gwt.user.client.Window;
+import com.google.gwt.user.client.ui.CheckBox;
+import com.google.gwt.user.client.ui.ClickListener;
+import com.google.gwt.user.client.ui.Grid;
+import com.google.gwt.user.client.ui.HTML;
+import com.google.gwt.user.client.ui.PopupPanel;
+import com.google.gwt.user.client.ui.ScrollPanel;
+import com.google.gwt.user.client.ui.SimplePanel;
+import com.google.gwt.user.client.ui.SourcesTableEvents;
+import com.google.gwt.user.client.ui.TableListener;
+import com.google.gwt.user.client.ui.Widget;
+
+/**
+ * HTMLMultipleListBox.java
+ *
+ * Works very similarly to HTMLListBox, except it utilizes checkboxes to
make it
+ * a multiple select (as opposed to CTRL+Click). Clicking on an item still
calls
+ * onChange(), but checking an item now selects it (not just clicking it),
and
+ * also calls onChecked()
+ *
+ * @author carl.scott
+ *
+ */
+public class GenericHTMLMultipleListBox<T> extends ScrollPanel {
+
+ class SelectableHTML extends SimplePanel {
+
+ private final CheckBox checkBox;
+ private final HTML html;
+
+ private PopupPanel popupPanel;
+ private boolean isPanelShowing = false;
+ private String toolTip;
+ private Timer timer;
+
+ private int left, top;
+
+ public SelectableHTML(final String name, final T value) {
+ this(name, value, null);
+ }
+
+ public SelectableHTML(final String name, final T value, final String
toolTip) {
+ super();
+ checkBox = new CheckBox();
+ checkBox.addClickListener(new ClickListener() {
+ public void onClick(final Widget sender) {
+ if (checkBox.isChecked()) {
+ selectedValues.add(value);
+ onChecked(value, true);
+ } else if (selectedValues.contains(value)) {
+ selectedValues.remove(value);
+ onChecked(value, false);
+ }
+ }
+ });
+
+ html = new StyledHTML(name, "fontSize80");
+ html.setWordWrap(false);
+
+ final Grid checktable = new Grid(1,2);
+ checktable.setWidget(0, 0, checkBox);
+ checktable.setWidget(0, 1, html);
+ setWidget(checktable);
+
+ if (toolTip != null) {
+ this.toolTip = toolTip;
+ popupPanel = new PopupPanel(true, false) {
+ public void hide() {
+ super.hide();
+ isPanelShowing = false;
+ }
+ };
+ sinkEvents(Event.ONMOUSEOVER | Event.ONMOUSEOUT);
+ }
+
+ setStyleName("CIPD_ListBox_Item");
+ }
+
+ public String getText() {
+ return html.getText();
+ }
+
+ public boolean isSelected() {
+ return checkBox.isChecked();
+ }
+
+ public void onBrowserEvent(final Event evt) {
+ switch (DOM.eventGetType(evt)) {
+ case Event.ONMOUSEOVER: {
+ left = DOM.eventGetClientX(evt);
+ top = DOM.eventGetClientY(evt);
+ timer = new Timer() {
+ public void run() {
+ showPopup(left, top);
+ }
+ };
+ timer.schedule(schedule);
+ break;
+ }
+ case Event.ONMOUSEOUT: {
+ try {
+ timer.cancel();
+ } catch (final Exception e) {
+ }
+ if (isPanelShowing) {
+ popupPanel.hide();
+ isPanelShowing = false;
+ }
+ break;
+ }
+ }
+ }
+
+ public void setChecked(final boolean isChecked) {
+ checkBox.setChecked(isChecked);
+ }
+
+ public void setEnabled(final boolean isEnabled) {
+ checkBox.setEnabled(isEnabled);
+ }
+
+ public void setHTML(final String text) {
+ html.setHTML(text);
+ }
+
+ private void showPopup(int left, int top) {
+ if (!isPanelShowing) {
+ popupPanel.setWidget(new StyledHTML(toolTip, "fontSize80"));
+ popupPanel.addStyleName("CIPD_PopupPanel");
+
+ popupPanel.setWidth("300px");
+ popupPanel.show();
+
+ final int bottom = Window.getClientHeight();
+ final int right = Window.getClientWidth();
+
+ if (left + popupPanel.getOffsetWidth() > right) {
+ left = right - popupPanel.getOffsetWidth();
+ }
+ if (top + popupPanel.getOffsetHeight() > bottom) {
+ top = bottom - popupPanel.getOffsetHeight();
+ }
+
+ popupPanel.setPopupPosition(left, top);
+ isPanelShowing = true;
+ }
+ }
+ }
+
+ protected ArrayList<T> items;
+
+ protected Grid table;
+ protected int selectedIndex;
+ protected HashSet<T> selectedValues;
+
+ protected boolean isEnabled = true;
+
+ protected String width;
+
+ protected int schedule = 1500;
+ protected CheckChangeListener<T> listener;
+
+ public GenericHTMLMultipleListBox(final String width) {
+ super();
+ items = new ArrayList<T>();
+ selectedValues = new HashSet<T>();
+ setWidth(this.width = width);
+ }
+
+ public void setCheckChangeListener(CheckChangeListener<T> listener) {
+ this.listener = listener;
+ }
+
+ public void addItem(final String name, final T value) {
+ addItem(name, value, null);
+ }
+
+ public void addItem(final String name, final T value,
+ final String toolTip) {
+ table.setWidget(items.size(), 0,
+ new SelectableHTML(name, value, toolTip));
+ items.add(value);
+
+ table.getColumnFormatter().setWidth(0, width);
+ }
+
+ public void clear() {
+ items.clear();
+ if(table!=null) remove(table);
+ selectedIndex = -1;
+ selectedValues.clear();
+ }
+
+ public ArrayList<T> getCheckedValues() {
+ final ArrayList<T> checked = new ArrayList<T>();
+ for (int i = 0; i < items.size(); i++)
+ if (((SelectableHTML) table.getWidget(i, 0)).isSelected())
+ checked.add(items.get(i));
+ return checked;
+ }
+
+ public int getItemCount() {
+ return items.size();
+ }
+
+ public int getSelectedIndex() {
+ return selectedIndex;
+ }
+
+ public Grid getTableView() {
+ return table;
+ }
+
+ public String getText(final int index) {
+ return ((SelectableHTML) table.getWidget(index, 0)).getText();
+ }
+
+ public T getValue(final int index) {
+ return items.get(index);
+ }
+
+ public int indexOf(final T value) {
+ return items.indexOf(value);
+ }
+
+ public boolean isEmpty() {
+ return items.isEmpty();
+ }
+
+ private void onChange(T selectedValue) {
+ if (listener != null)
+ listener.onChange(selectedValue);
+ }
+
+ /**
+ * Method that occurs when an item is checked.
+ *
+ * @param checkedValue
+ * the value of the item checked
+ * @param isChecked
+ * the isChecked() value of the checkbox
+ */
+ private void onChecked(T checkedValue, boolean isChecked) {
+ if (listener != null)
+ listener.onChecked(checkedValue, isChecked);
+ }
+
+ public void setChecked(final int index, final boolean isChecked) {
+ ((SelectableHTML) table.getWidget(index, 0)).setChecked(isChecked);
+ if (isChecked) {
+ selectedValues.add(items.get(index));
+ } else {
+ selectedValues.remove(items.get(index));
+ }
+ }
+
+ public void setEnabled(final boolean isEnabled) {
+ this.isEnabled = isEnabled;
+ for (int i = 0; i < items.size(); i++) {
+ ((SelectableHTML) table.getWidget(i, 0)).setEnabled(isEnabled);
+ }
+ }
+
+ public void setSelectedIndex(final int index) {
+ selectedIndex = index;
+ for (int i = 0; i < items.size(); i++) {
+ ((SelectableHTML) table.getWidget(i, 0))
+ .setStyleName(i == index ? "CIPD_ListBox_ItemSelected"
+ : "CIPD_ListBox_Item");
+ }
+ }
+
+ public void setText(final String text, final int index) {
+ ((SelectableHTML) table.getWidget(index, 0)).setHTML(text);
+ }
+
+ public void setTooltipSchedule(final int schedule) {
+ this.schedule = schedule;
+ }
+
+ public void init(int size) {
+ table = new Grid(size,1);
+ table.addTableListener(new TableListener() {
+ public void onCellClicked(final SourcesTableEvents sender, final int
row, final int cell) {
+ if (isEnabled) {
+ setSelectedIndex(row);
+ onChange(items.get(row));
+ }
+ }
+ });
+ setWidget(table);
+ }
+
+ public static interface CheckChangeListener<T> {
+
+ public abstract void onChange(T selectedValue);
+
+ public abstract void onChecked(T checkedValue, boolean isChecked);
+
+ }
+}
=======================================
---
/trunk/modules/com.solertium.util.gwt/src/com/solertium/util/gwt/ui/HTMLMultipleListBox.java
Fri Sep 4 13:08:49 2009
+++
/trunk/modules/com.solertium.util.gwt/src/com/solertium/util/gwt/ui/HTMLMultipleListBox.java
Thu Jul 15 15:09:28 2010
@@ -15,23 +15,6 @@
*/
package com.solertium.util.gwt.ui;
-import java.util.ArrayList;
-import java.util.HashMap;
-
-import com.google.gwt.user.client.DOM;
-import com.google.gwt.user.client.Event;
-import com.google.gwt.user.client.Timer;
-import com.google.gwt.user.client.Window;
-import com.google.gwt.user.client.ui.CheckBox;
-import com.google.gwt.user.client.ui.ClickListener;
-import com.google.gwt.user.client.ui.Grid;
-import com.google.gwt.user.client.ui.HTML;
-import com.google.gwt.user.client.ui.PopupPanel;
-import com.google.gwt.user.client.ui.ScrollPanel;
-import com.google.gwt.user.client.ui.SimplePanel;
-import com.google.gwt.user.client.ui.SourcesTableEvents;
-import com.google.gwt.user.client.ui.TableListener;
-import com.google.gwt.user.client.ui.Widget;
/**
* HTMLMultipleListBox.java
@@ -44,207 +27,13 @@
* @author carl.scott
*
*/
-public abstract class HTMLMultipleListBox extends ScrollPanel {
-
- class SelectableHTML extends SimplePanel {
-
- private final CheckBox checkBox;
- private final HTML html;
-
- private PopupPanel popupPanel;
- private boolean isPanelShowing = false;
- private String toolTip;
- private Timer timer;
-
- private int left, top;
-
- public SelectableHTML(final String name, final String value) {
- this(name, value, null);
- }
-
- public SelectableHTML(final String name, final String value, final
String toolTip) {
- super();
- checkBox = new CheckBox();
- checkBox.addClickListener(new ClickListener() {
- public void onClick(final Widget sender) {
- if (checkBox.isChecked()) {
- selectedValues.put(value, null);
- onChecked(value, true);
- } else if (selectedValues.containsKey(value)) {
- selectedValues.remove(value);
- onChecked(value, false);
- }
- }
- });
-
- html = new StyledHTML(name, "fontSize80");
- html.setWordWrap(false);
-
- final Grid checktable = new Grid(1,2);
- checktable.setWidget(0, 0, checkBox);
- checktable.setWidget(0, 1, html);
- setWidget(checktable);
-
- if (toolTip != null) {
- this.toolTip = toolTip;
- popupPanel = new PopupPanel(true, false) {
- public void hide() {
- super.hide();
- isPanelShowing = false;
- }
- };
- sinkEvents(Event.ONMOUSEOVER | Event.ONMOUSEOUT);
- }
-
- setStyleName("CIPD_ListBox_Item");
- }
-
- public String getText() {
- return html.getText();
- }
-
- public boolean isSelected() {
- return checkBox.isChecked();
- }
-
- public void onBrowserEvent(final Event evt) {
- switch (DOM.eventGetType(evt)) {
- case Event.ONMOUSEOVER: {
- left = DOM.eventGetClientX(evt);
- top = DOM.eventGetClientY(evt);
- timer = new Timer() {
- public void run() {
- showPopup(left, top);
- }
- };
- timer.schedule(schedule);
- break;
- }
- case Event.ONMOUSEOUT: {
- try {
- timer.cancel();
- } catch (final Exception e) {
- }
- if (isPanelShowing) {
- popupPanel.hide();
- isPanelShowing = false;
- }
- break;
- }
- }
- }
-
- public void setChecked(final boolean isChecked) {
- checkBox.setChecked(isChecked);
- }
-
- public void setEnabled(final boolean isEnabled) {
- checkBox.setEnabled(isEnabled);
- }
-
- public void setHTML(final String text) {
- html.setHTML(text);
- }
-
- private void showPopup(int left, int top) {
- if (!isPanelShowing) {
- popupPanel.setWidget(new StyledHTML(toolTip, "fontSize80"));
- popupPanel.addStyleName("CIPD_PopupPanel");
-
- popupPanel.setWidth("300px");
- popupPanel.show();
-
- final int bottom = Window.getClientHeight();
- final int right = Window.getClientWidth();
-
- if (left + popupPanel.getOffsetWidth() > right) {
- left = right - popupPanel.getOffsetWidth();
- }
- if (top + popupPanel.getOffsetHeight() > bottom) {
- top = bottom - popupPanel.getOffsetHeight();
- }
-
- popupPanel.setPopupPosition(left, top);
- isPanelShowing = true;
- }
- }
- }
-
- protected ArrayList<String> items;
-
- protected Grid table;
- protected int selectedIndex;
- protected HashMap<String, String> selectedValues;
-
- protected boolean isEnabled = true;
-
- protected String width;
-
- protected int schedule = 1500;
-
- public HTMLMultipleListBox(final String width) {
- super();
- items = new ArrayList<String>();
- selectedValues = new HashMap<String, String>();
- setWidth(this.width = width);
- }
-
- public void addItem(final String name, final String value) {
- addItem(name, value, null);
- }
-
- public void addItem(final String name, final String value,
- final String toolTip) {
- table.setWidget(items.size(), 0,
- new SelectableHTML(name, value, toolTip));
- items.add(value);
-
- table.getColumnFormatter().setWidth(0, width);
- }
-
- public void clear() {
- items.clear();
- if(table!=null) remove(table);
- selectedIndex = -1;
- selectedValues.clear();
- }
-
- public ArrayList<String> getCheckedValues() {
- final ArrayList<String> checked = new ArrayList<String>();
- for (int i = 0; i < items.size(); i++)
- if (((SelectableHTML) table.getWidget(i, 0)).isSelected())
- checked.add(items.get(i));
- return checked;
- }
-
- public int getItemCount() {
- return items.size();
- }
-
- public int getSelectedIndex() {
- return selectedIndex;
- }
-
- public Grid getTableView() {
- return table;
- }
-
- public String getText(final int index) {
- return ((SelectableHTML) table.getWidget(index, 0)).getText();
- }
-
- public String getValue(final int index) {
- return (String) items.get(index);
- }
-
- public int indexOf(final String value) {
- return items.indexOf(value);
- }
-
- public boolean isEmpty() {
- return items.isEmpty();
- }
-
+public abstract class HTMLMultipleListBox extends
GenericHTMLMultipleListBox<String> implements
GenericHTMLMultipleListBox.CheckChangeListener<String> {
+
+ public HTMLMultipleListBox(String width) {
+ super(width);
+ setCheckChangeListener(this);
+ }
+
public abstract void onChange(String selectedValue);
/**
@@ -256,50 +45,5 @@
* the isChecked() value of the checkbox
*/
public abstract void onChecked(String checkedValue, boolean isChecked);
-
- public void setChecked(final int index, final boolean isChecked) {
- ((SelectableHTML) table.getWidget(index, 0)).setChecked(isChecked);
- if (isChecked) {
- selectedValues.put(items.get(index), null);
- } else {
- selectedValues.remove(items.get(index));
- }
- }
-
- public void setEnabled(final boolean isEnabled) {
- this.isEnabled = isEnabled;
- for (int i = 0; i < items.size(); i++) {
- ((SelectableHTML) table.getWidget(i, 0)).setEnabled(isEnabled);
- }
- }
-
- public void setSelectedIndex(final int index) {
- selectedIndex = index;
- for (int i = 0; i < items.size(); i++) {
- ((SelectableHTML) table.getWidget(i, 0))
- .setStyleName(i == index ? "CIPD_ListBox_ItemSelected"
- : "CIPD_ListBox_Item");
- }
- }
-
- public void setText(final String text, final int index) {
- ((SelectableHTML) table.getWidget(index, 0)).setHTML(text);
- }
-
- public void setTooltipSchedule(final int schedule) {
- this.schedule = schedule;
- }
-
- public void init(int size) {
- table = new Grid(size,1);
- table.addTableListener(new TableListener() {
- public void onCellClicked(final SourcesTableEvents sender, final int
row, final int cell) {
- if (isEnabled) {
- setSelectedIndex(row);
- onChange((String) items.get(row));
- }
- }
- });
- setWidget(table);
- }
-}
+
+}