+++ /dev/null
-/*
-@VaadinApache2LicenseForJavaFiles@
- */
-
-package com.vaadin.terminal.gwt.client.ui;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.Set;
-
-import com.google.gwt.event.dom.client.ClickEvent;
-import com.google.gwt.event.dom.client.ClickHandler;
-import com.google.gwt.user.client.DOM;
-import com.google.gwt.user.client.Event;
-import com.google.gwt.user.client.Window;
-import com.google.gwt.user.client.ui.Button;
-import com.google.gwt.user.client.ui.Composite;
-import com.google.gwt.user.client.ui.Grid;
-import com.google.gwt.user.client.ui.HTML;
-import com.google.gwt.user.client.ui.HorizontalPanel;
-import com.google.gwt.user.client.ui.Label;
-import com.google.gwt.user.client.ui.SimplePanel;
-import com.google.gwt.user.client.ui.VerticalPanel;
-import com.google.gwt.user.client.ui.Widget;
-import com.vaadin.terminal.gwt.client.ApplicationConnection;
-import com.vaadin.terminal.gwt.client.UIDL;
-import com.vaadin.terminal.gwt.client.VPaintableWidget;
-
-/**
- * TODO make this work (just an early prototype). We may want to have paging
- * style table which will be much lighter than VScrollTable is.
- */
-public class VTablePaging extends Composite implements Table, VPaintableWidget,
- ClickHandler {
-
- private final Grid tBody = new Grid();
- private final Button nextPage = new Button(">");
- private final Button prevPage = new Button("<");
- private final Button firstPage = new Button("<<");
- private final Button lastPage = new Button(">>");
-
- private int pageLength = 15;
-
- private boolean rowHeaders = false;
-
- private ApplicationConnection client;
- private String id;
-
- private boolean immediate = false;
-
- private int selectMode = Table.SELECT_MODE_NONE;
-
- private final ArrayList<String> selectedRowKeys = new ArrayList<String>();
-
- private int totalRows;
-
- private final HashMap<?, ?> visibleColumns = new HashMap<Object, Object>();
-
- private int rows;
-
- private int firstRow;
- private boolean sortAscending = true;
- private final HorizontalPanel pager;
-
- public HashMap<String, TableRow> rowKeysToTableRows = new HashMap<String, TableRow>();
-
- public VTablePaging() {
-
- tBody.setStyleName("itable-tbody");
-
- final VerticalPanel panel = new VerticalPanel();
-
- pager = new HorizontalPanel();
- pager.add(firstPage);
- firstPage.addClickHandler(this);
- pager.add(prevPage);
- prevPage.addClickHandler(this);
- pager.add(nextPage);
- nextPage.addClickHandler(this);
- pager.add(lastPage);
- lastPage.addClickHandler(this);
-
- panel.add(pager);
- panel.add(tBody);
-
- initWidget(panel);
- }
-
- public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
- if (client.updateComponent(this, uidl, true)) {
- return;
- }
-
- this.client = client;
- id = uidl.getStringAttribute("id");
- immediate = uidl.getBooleanAttribute("immediate");
- totalRows = uidl.getIntAttribute("totalrows");
- pageLength = uidl.getIntAttribute("pagelength");
- firstRow = uidl.getIntAttribute("firstrow");
- rows = uidl.getIntAttribute("rows");
-
- if (uidl.hasAttribute("selectmode")) {
- if (uidl.getStringAttribute("selectmode").equals("multi")) {
- selectMode = Table.SELECT_MODE_MULTI;
- } else {
- selectMode = Table.SELECT_MODE_SINGLE;
- }
-
- if (uidl.hasAttribute("selected")) {
- final Set<String> selectedKeys = uidl
- .getStringArrayVariableAsSet("selected");
- selectedRowKeys.clear();
- for (final Iterator<String> it = selectedKeys.iterator(); it
- .hasNext();) {
- selectedRowKeys.add(it.next());
- }
- }
- }
-
- if (uidl.hasVariable("sortascending")) {
- sortAscending = uidl.getBooleanVariable("sortascending");
- }
-
- if (uidl.hasAttribute("rowheaders")) {
- rowHeaders = true;
- }
-
- UIDL rowData = null;
- UIDL visibleColumns = null;
- for (final Iterator<?> it = uidl.getChildIterator(); it.hasNext();) {
- final UIDL c = (UIDL) it.next();
- if (c.getTag().equals("rows")) {
- rowData = c;
- } else if (c.getTag().equals("actions")) {
- updateActionMap(c);
- } else if (c.getTag().equals("visiblecolumns")) {
- visibleColumns = c;
- }
- }
- tBody.resize(rows + 1, uidl.getIntAttribute("cols")
- + (rowHeaders ? 1 : 0));
- updateHeader(visibleColumns);
- updateBody(rowData);
-
- updatePager();
- }
-
- private void updateHeader(UIDL c) {
- final Iterator<?> it = c.getChildIterator();
- visibleColumns.clear();
- int colIndex = (rowHeaders ? 1 : 0);
- while (it.hasNext()) {
- final UIDL col = (UIDL) it.next();
- final String cid = col.getStringAttribute("cid");
- if (!col.hasAttribute("collapsed")) {
- tBody.setWidget(0, colIndex,
- new HeaderCell(cid, col.getStringAttribute("caption")));
-
- }
- colIndex++;
- }
- }
-
- private void updateActionMap(UIDL c) {
- // TODO Auto-generated method stub
-
- }
-
- /**
- * Updates row data from uidl. UpdateFromUIDL delegates updating tBody to
- * this method.
- *
- * Updates may be to different part of tBody, depending on update type. It
- * can be initial row data, scroll up, scroll down...
- *
- * @param uidl
- * which contains row data
- */
- private void updateBody(UIDL uidl) {
- final Iterator<?> it = uidl.getChildIterator();
-
- int curRowIndex = 1;
- while (it.hasNext()) {
- final UIDL rowUidl = (UIDL) it.next();
- final TableRow row = new TableRow(curRowIndex,
- String.valueOf(rowUidl.getIntAttribute("key")),
- rowUidl.hasAttribute("selected"));
- int colIndex = 0;
- if (rowHeaders) {
- tBody.setWidget(curRowIndex, colIndex, new BodyCell(row,
- rowUidl.getStringAttribute("caption")));
- colIndex++;
- }
- final Iterator<?> cells = rowUidl.getChildIterator();
- while (cells.hasNext()) {
- final Object cell = cells.next();
- if (cell instanceof String) {
- tBody.setWidget(curRowIndex, colIndex, new BodyCell(row,
- (String) cell));
- } else {
- final VPaintableWidget cellContent = client
- .getPaintable((UIDL) cell);
- final BodyCell bodyCell = new BodyCell(row);
- bodyCell.setWidget(cellContent.getWidgetForPaintable());
- tBody.setWidget(curRowIndex, colIndex, bodyCell);
- }
- colIndex++;
- }
- curRowIndex++;
- }
- }
-
- private void updatePager() {
- if (pageLength == 0) {
- pager.setVisible(false);
- return;
- }
- if (isFirstPage()) {
- firstPage.setEnabled(false);
- prevPage.setEnabled(false);
- } else {
- firstPage.setEnabled(true);
- prevPage.setEnabled(true);
- }
- if (hasNextPage()) {
- nextPage.setEnabled(true);
- lastPage.setEnabled(true);
- } else {
- nextPage.setEnabled(false);
- lastPage.setEnabled(false);
-
- }
- }
-
- private boolean hasNextPage() {
- if (firstRow + rows + 1 > totalRows) {
- return false;
- }
- return true;
- }
-
- private boolean isFirstPage() {
- if (firstRow == 0) {
- return true;
- }
- return false;
- }
-
- public void onClick(ClickEvent event) {
- Object sender = event.getSource();
- if (sender instanceof Button) {
- if (sender == firstPage) {
- client.updateVariable(id, "firstvisible", 0, true);
- } else if (sender == nextPage) {
- client.updateVariable(id, "firstvisible",
- firstRow + pageLength, true);
- } else if (sender == prevPage) {
- int newFirst = firstRow - pageLength;
- if (newFirst < 0) {
- newFirst = 0;
- }
- client.updateVariable(id, "firstvisible", newFirst, true);
- } else if (sender == lastPage) {
- client.updateVariable(id, "firstvisible", totalRows
- - pageLength, true);
- }
- }
- if (sender instanceof HeaderCell) {
- final HeaderCell hCell = (HeaderCell) sender;
- client.updateVariable(id, "sortcolumn", hCell.getCid(), false);
- client.updateVariable(id, "sortascending", (sortAscending ? false
- : true), true);
- }
- }
-
- private class HeaderCell extends HTML {
-
- private String cid;
-
- public String getCid() {
- return cid;
- }
-
- public void setCid(String pid) {
- cid = pid;
- }
-
- HeaderCell(String pid, String caption) {
- super();
- cid = pid;
- addClickHandler(VTablePaging.this);
- setText(caption);
- // TODO remove debug color
- DOM.setStyleAttribute(getElement(), "color", "brown");
- DOM.setStyleAttribute(getElement(), "font-weight", "bold");
- }
- }
-
- /**
- * Abstraction of table cell content. In needs to know on which row it is in
- * case of context click.
- *
- * @author mattitahvonen
- */
- public class BodyCell extends SimplePanel {
- private final TableRow row;
-
- public BodyCell(TableRow row) {
- super();
- sinkEvents(Event.BUTTON_LEFT | Event.BUTTON_RIGHT);
- this.row = row;
- }
-
- public BodyCell(TableRow row2, String textContent) {
- super();
- sinkEvents(Event.BUTTON_LEFT | Event.BUTTON_RIGHT);
- row = row2;
- setWidget(new Label(textContent));
- }
-
- @Override
- public void onBrowserEvent(Event event) {
- System.out.println("CEll event: " + event.toString());
- switch (DOM.eventGetType(event)) {
- case Event.BUTTON_RIGHT:
- row.showContextMenu(event);
- Window.alert("context menu un-implemented");
- DOM.eventCancelBubble(event, true);
- break;
- case Event.BUTTON_LEFT:
- if (selectMode > Table.SELECT_MODE_NONE) {
- row.toggleSelected();
- }
- break;
- default:
- break;
- }
- super.onBrowserEvent(event);
- }
- }
-
- private class TableRow {
-
- private final String key;
- private final int rowIndex;
- private boolean selected = false;
-
- public TableRow(int rowIndex, String rowKey, boolean selected) {
- rowKeysToTableRows.put(rowKey, this);
- this.rowIndex = rowIndex;
- key = rowKey;
- setSelected(selected);
- }
-
- /**
- * This method is used to set row status. Does not change value on
- * server.
- *
- * @param selected
- */
- public void setSelected(boolean sel) {
- selected = sel;
- if (selected) {
- selectedRowKeys.add(key);
- DOM.setStyleAttribute(
- tBody.getRowFormatter().getElement(rowIndex),
- "background", "yellow");
-
- } else {
- selectedRowKeys.remove(key);
- DOM.setStyleAttribute(
- tBody.getRowFormatter().getElement(rowIndex),
- "background", "transparent");
- }
- }
-
- public void setContextMenuOptions(HashMap<?, ?> options) {
-
- }
-
- /**
- * Toggles rows select state. Also updates state to server according to
- * tables immediate flag.
- *
- */
- public void toggleSelected() {
- if (selected) {
- setSelected(false);
- } else {
- if (selectMode == Table.SELECT_MODE_SINGLE) {
- deselectAll();
- }
- setSelected(true);
- }
- client.updateVariable(
- id,
- "selected",
- selectedRowKeys.toArray(new String[selectedRowKeys.size()]),
- immediate);
- }
-
- /**
- * Shows context menu for this row.
- *
- * @param event
- * Event which triggered context menu. Correct place for
- * context menu can be determined with it.
- */
- public void showContextMenu(Event event) {
- System.out.println("TODO: Show context menu");
- }
- }
-
- public void deselectAll() {
- final Object[] keys = selectedRowKeys.toArray();
- for (int i = 0; i < keys.length; i++) {
- final TableRow tableRow = rowKeysToTableRows.get(keys[i]);
- if (tableRow != null) {
- tableRow.setSelected(false);
- }
- }
- // still ensure all selects are removed from
- selectedRowKeys.clear();
- }
-
- public void add(Widget w) {
- // TODO Auto-generated method stub
-
- }
-
- public void clear() {
- // TODO Auto-generated method stub
-
- }
-
- public Iterator<Widget> iterator() {
- // TODO Auto-generated method stub
- return null;
- }
-
- public boolean remove(Widget w) {
- // TODO Auto-generated method stub
- return false;
- }
-
- public Widget getWidgetForPaintable() {
- return this;
- }
-}
projects / vaadin-framework.git / commitdiff