eu.webtoolkit.jwt.WTableRow Maven / Gradle / Ivy
/*
* Copyright (C) 2009 Emweb bvba, Leuven, Belgium.
*
* See the LICENSE file for terms of use.
*/
package eu.webtoolkit.jwt;
import java.util.*;
import java.util.regex.*;
import java.io.*;
import java.lang.ref.*;
import java.util.concurrent.locks.ReentrantLock;
import javax.servlet.http.*;
import javax.servlet.*;
import eu.webtoolkit.jwt.*;
import eu.webtoolkit.jwt.chart.*;
import eu.webtoolkit.jwt.utils.*;
import eu.webtoolkit.jwt.servlet.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A table row.
*
*
* A WTableRow is returned by {@link WTable#getRowAt(int row) WTable#getRowAt()}
* and managing various properties of a single row in a table (it is however not
* a widget).
*
* You cannot access table cells through the row. Instead, to access table
* cells, see {@link WTable#getElementAt(int row, int column)
* WTable#getElementAt()}.
*
* A table row corresponds to the HTML <tr> tag.
*
*
* @see WTable
* @see WTableColumn
*/
public class WTableRow extends WObject {
private static Logger logger = LoggerFactory.getLogger(WTableRow.class);
/**
* Returns the table to which this row belongs.
*
*
* @see WTable#getRowAt(int row)
*/
public WTable getTable() {
return this.table_;
}
/**
* Access the row element at the given column.
*
* Like {@link WTable#getElementAt(int row, int column)
* WTable#getElementAt()}, if the column is beyond the current table
* dimensions, then the table is expanded automatically.
*/
public WTableCell elementAt(int column) {
return this.table_.getElementAt(this.getRowNum(), column);
}
/**
* Returns the row number of this row in the table.
*
*
* @see WTable#getRowAt(int row)
*/
public int getRowNum() {
return this.table_.rows_.indexOf(this);
}
/**
* Sets the row height.
*
* The default row height is {@link WLength#Auto}.
*
*
* @see WTableRow#getHeight()
* @see WWidget#resize(WLength width, WLength height)
*/
public void setHeight(WLength height) {
this.height_ = height;
this.table_.repaintRow(this);
}
/**
* Returns the row height.
*
*
* @see WTableRow#setHeight(WLength height)
*/
public WLength getHeight() {
return this.height_ != null ? this.height_ : WLength.Auto;
}
/**
* Sets the CSS style class for this row.
*
* The style is inherited by all table cells in this row.
*
*
* @see WTableRow#getStyleClass()
* @see WWidget#setStyleClass(String styleClass)
*/
public void setStyleClass(String style) {
if (WWebWidget.canOptimizeUpdates() && style.equals(this.styleClass_)) {
return;
}
this.styleClass_ = style;
this.table_.repaintRow(this);
}
/**
* Returns the CSS style class for this row.
*
*
* @see WTableRow#getStyleClass()
* @see WWidget#getStyleClass()
*/
public String getStyleClass() {
return this.styleClass_;
}
/**
* Sets whether the row must be hidden.
*
* Hide or show the row.
*
* The default value is false (row is not hidden).
*
*
* @see WTableRow#hide()
* @see WTableRow#show()
*/
public void setHidden(boolean how) {
if (WWebWidget.canOptimizeUpdates() && this.hidden_ == how) {
return;
}
this.wasHidden_ = this.hidden_;
this.hidden_ = how;
this.hiddenChanged_ = true;
this.table_.repaintRow(this);
}
/**
* Returns whether the rows is hidden.
*
*
* @see WTableRow#setHidden(boolean how)
*/
public boolean isHidden() {
return this.hidden_;
}
/**
* Hides the row.
*
*
* @see WTableRow#setHidden(boolean how)
*/
public void hide() {
this.setHidden(true);
}
/**
* Shows the row.
*
*
* @see WTableRow#setHidden(boolean how)
*/
public void show() {
this.setHidden(false);
}
/**
* Sets the CSS Id.
*
* Sets a custom Id. Note that the Id must be unique across the whole widget
* tree, can only be set right after construction and cannot be changed.
*
*
* @see WObject#getId()
*/
public void setId(String id) {
if (!(this.id_ != null)) {
this.id_ = "";
}
this.id_ = id;
}
public String getId() {
if (this.id_ != null) {
return this.id_;
} else {
return super.getId();
}
}
WTableRow(WTable table, int numCells) {
super();
this.table_ = table;
this.cells_ = new ArrayList();
this.height_ = null;
this.id_ = null;
this.styleClass_ = "";
this.hidden_ = false;
this.hiddenChanged_ = false;
this.expand(numCells);
// this.implementStateless(WTableRow.hide,WTableRow.undoHide);
// this.implementStateless(WTableRow.show,WTableRow.undoHide);
}
void expand(int numCells) {
int cursize = this.cells_.size();
for (int col = cursize; col < numCells; ++col) {
this.cells_.add(new WTableRow.TableData());
this.cells_.get(this.cells_.size() - 1).cell = new WTableCell(this,
col);
}
}
static class TableData {
private static Logger logger = LoggerFactory.getLogger(TableData.class);
public WTableCell cell;
public boolean overSpanned;
public TableData() {
this.cell = null;
this.overSpanned = false;
}
}
private WTable table_;
List cells_;
private WLength height_;
private String id_;
private String styleClass_;
private boolean hidden_;
private boolean hiddenChanged_;
private boolean wasHidden_;
void updateDom(DomElement element, boolean all) {
if (this.height_ != null) {
element.setProperty(Property.PropertyStyleHeight, this.height_
.getCssText());
}
if (!all || this.styleClass_.length() != 0) {
element.setProperty(Property.PropertyClass, this.styleClass_);
}
if (all && this.hidden_ || !all && this.hiddenChanged_) {
element.setProperty(Property.PropertyStyleDisplay,
this.hidden_ ? "none" : "");
this.hiddenChanged_ = false;
}
}
void insertColumn(int column) {
this.cells_.add(0 + column, new WTableRow.TableData());
this.cells_.get(column).cell = new WTableCell(this, column);
for (int i = column; i < this.cells_.size(); ++i) {
this.cells_.get(i).cell.column_ = i;
}
}
void deleteColumn(int column) {
if (this.cells_.get(column).cell != null)
this.cells_.get(column).cell.remove();
this.cells_.remove(0 + column);
for (int i = column; i < this.cells_.size(); ++i) {
this.cells_.get(i).cell.column_ = i;
}
}
private void undoHide() {
this.setHidden(this.wasHidden_);
}
}