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package cz.frantovo.gui.tabulky;
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import java.awt.Point;
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import java.awt.event.MouseEvent;
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import javax.swing.ImageIcon;
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import javax.swing.table.TableModel;
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/**
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* Tahle t��da umo��uje jednoduch�m zp�sobem p�idat va�im tabulk�m funkci
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* �azen�. Sta�� ve va�� t��d� nahradit: <br>
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* "import javax.swing.JTable;" <br>
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* t�mto importem: " import cz.frantovo.gui.tabulky.JTable;<br>
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* <br>
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* Pomoc� kl�vesy ctrl jde �adit podle v�ce sloupc�" <br>
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* <br>
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* Tak� p�id�v� funkci zobrazov�n� tooltipu (zobrazuje obsah bu�ky)
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*
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* Proto�e t��d�c� model a skute�n� model obsahuj� ��dky v jin�m po�ad�,<br>
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* je pot�eba p�epo��tat index z�skan� metodou getSelectedRow() na index ve skute�n�m modelu<br>
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* <br>
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* k tomu slou�� tento postup:<br>
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* int r = jTable1.getSelectedRow();<br>
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* int rr = ((TableSorterModel)tabulka.getModel()).modelIndex(r);<br>
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* <br>
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* rr je potom index ��dku ve skute�n�m modelu. *
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*
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* @author František Kučera
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*/
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public class JTable extends javax.swing.JTable {
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private static final long serialVersionUID = -5133441062459764995L;
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private TableSorterModel tableSorterModel;
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private TableModel realTableModel;
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private boolean showTooltips = false;
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public boolean isShowTooltips ()
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{
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return showTooltips;
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}
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/** Nastavuje, zda se maj� zobrazovat tooltipy zobrazuj�c� obsah bu�ky */
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public void setShowTooltips (boolean showTooltips)
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{
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this.showTooltips = showTooltips;
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}
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/**
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* Nastav� TableModel a zabal� ho do TableSorterModelu, tabulka t�m
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* z�sk� schopnost �azen� ��dk�
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*/
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@Override
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public void setModel (TableModel dataModel)
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{
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realTableModel = dataModel;
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tableSorterModel = new TableSorterModel(dataModel);
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tableSorterModel.setTableHeader(getTableHeader());
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super.setModel(tableSorterModel);
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}
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/**
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* @return TableModel, kter� obsahuje data. Nen� tedy zabalen do
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* TableSorterModelu
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*/
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public TableModel getRealTableModel ()
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{
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return realTableModel;
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}
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/**
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* @return TableSorterModel, kter� obaluje skute�n� TableModel, kter�
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* obsahuje data. TableSorterModel slou�� pouze k �azen� polo�ek
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*/
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@Override
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public TableModel getModel ()
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{
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return super.getModel();
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}
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/**
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* Pokud je nastaveno showTooltips, zobrazuje v tooltipu obsah bu�ky pod
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* my�� (hod� se, pokud je obsah bu�ky p��li� dlouh�). Pokud bu�ka
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* obsahuje ImageIcon, pak tooltip zobrazuje ImageIcon.getDescription()
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*/
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@Override
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public String getToolTipText (MouseEvent event)
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{
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if (showTooltips) {
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Point p = event.getPoint();
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int col = columnAtPoint(p);
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int rw = rowAtPoint(p);
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if (col >= 0 && rw >= 0) {
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Object o = getValueAt(rw,
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col);
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if (o != null) {
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if (o instanceof ImageIcon) {
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return ((ImageIcon) o).getDescription();
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} else {
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return o.toString();
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}
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}
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}
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return super.getToolTipText();
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} else {
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return super.getToolTipText();
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}
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}
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}
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