package Method;
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import java.awt.Color;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import javax.swing.Box;
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import javax.swing.JPanel;
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import ColorAndFont.buttonTitle;
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import PbuliClass.JButtonModel;
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import PbuliClass.JlableModel;
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/**±¾ÀàÓÃÓÚÑ¡ÔñÒ³Âë*/
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public class PageSelect {
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JPanel mb=null;
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JButtonModel firstPageButton=null;
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JButtonModel latePageButton=null;
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JButtonModel nextPageButton=null;
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JButtonModel lastPageButton=null;
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String a;
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String serch;
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int k;
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int maxPageNumber;
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static int currentPageNumber = 1;//µ±Ç°Ò³Ãæ
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int allrows;//Êý¾Ý×ÜÌõÊý
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JPanel south=null;
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JlableModel nowpage;//µ±Ç°Ò³Âë
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String hang;//ÿҳÏÔʾµÄÐÐÊý
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String data_name;//Êý¾Ý¿âµÄÃû³Æ
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public String getHang() {
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return hang;
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}
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public String getSerch() {
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return serch;
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}
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public void setHang(String hang) {
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this.hang = hang;
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}
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public String getData_name() {
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return data_name;
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}
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public void setData_name(String data_name) {
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this.data_name = data_name;
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}
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public int getAllrows() {
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return allrows;
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}
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public void setAllrows(int allrows) {
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this.allrows = allrows;
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}
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public JPanel get_page_mb() {
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mb=new JPanel();
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mb.setBackground(Color.WHITE);//ÉèÖÃÃæ°å±³¾°Îª°×É«
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Box topicBox = Box.createHorizontalBox();// ´´½¨Ò»¸öˮƽÏäÈÝÆ÷
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topicBox.add(getFirstPageButton());
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topicBox.add(Box.createHorizontalStrut(15));// Ìí¼ÓÒ»¸ö3ÏñËØ¿íµÄˮƽ֧Öù
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topicBox.add(getLatePageButton());
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topicBox.add(Box.createHorizontalStrut(15));// Ìí¼ÓÒ»¸ö5ÏñËØ¿íµÄˮƽ֧Öù
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topicBox.add(getNextPageButton());
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topicBox.add(Box.createHorizontalStrut(15));// Ìí¼ÓÒ»¸ö5ÏñËØ¿íµÄˮƽ֧Öù
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topicBox.add(getLastPageButton());
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nowpage= new JlableModel("µÚ"+currentPageNumber+"Ò³");
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topicBox.add(Box.createHorizontalStrut(25));// Ìí¼ÓÒ»¸ö15ÏñËØ¿íµÄˮƽ֧Öù
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topicBox.add(nowpage);
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mb.add(topicBox );
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return mb;
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}
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public JButtonModel getFirstPageButton() {
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if(firstPageButton==null) {
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firstPageButton=new JButtonModel(buttonTitle.getHome());
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firstPageButton.setEnabled(false);
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firstPageButton.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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currentPageNumber=1;
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nowpage.setText("µÚ"+currentPageNumber+"Ò³");
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lastPageButton.setEnabled(true);
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nextPageButton.setEnabled(true);
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k=Integer.parseInt(getHang());
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serch="select * from "+getData_name() +" limit 0,"+k;
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currentPageNumber = 1;
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firstPageButton.setEnabled(false);
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latePageButton.setEnabled(false);
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}
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});
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}
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return firstPageButton;
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}
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public JButtonModel getLatePageButton() {
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if(latePageButton==null) {
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latePageButton=new JButtonModel(buttonTitle.getPrevious());
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latePageButton.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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lastPageButton.setEnabled(true);
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latePageButton.setEnabled(true);
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--currentPageNumber;
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nowpage.setText("µÚ"+currentPageNumber+"Ò³");
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if(currentPageNumber==1) {
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latePageButton.setEnabled(false);
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firstPageButton.setEnabled(false);
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}
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if(currentPageNumber>=1) {
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k=Integer.parseInt(getHang());
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a=String.valueOf(currentPageNumber*k-k);
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serch="select * from "+getData_name() +" limit "+a+","+k;
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nextPageButton.setEnabled(true);
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}
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}
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});
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}
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return latePageButton;
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}
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public JButtonModel getNextPageButton() {
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if(nextPageButton==null) {
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nextPageButton=new JButtonModel(buttonTitle.getNext());
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nextPageButton.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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++currentPageNumber;
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nowpage.setText("µÚ"+currentPageNumber+"Ò³");
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k=Integer.parseInt(getHang());
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a=String.valueOf(currentPageNumber*k-k);
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serch="select * from "+getData_name() +" limit "+a+","+k;
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if(currentPageNumber!=1) {
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firstPageButton.setEnabled(true);
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latePageButton.setEnabled(true);
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}
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if (currentPageNumber == maxPageNumber) {
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nextPageButton.setEnabled(false);
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lastPageButton.setEnabled(false);
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}
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}
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});
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}
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return nextPageButton;
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}
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public JButtonModel getLastPageButton() {
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if(lastPageButton==null) {
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lastPageButton=new JButtonModel(buttonTitle.getLast());
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lastPageButton.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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nextPageButton.setEnabled(false);
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lastPageButton.setEnabled(false);
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k=Integer.parseInt(getHang());
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a=String.valueOf(getMaxPageNumber()*k-k);
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serch="select * from "+getData_name() +" limit "+a+","+k;
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latePageButton.setEnabled(true);
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firstPageButton.setEnabled(true);
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currentPageNumber=getMaxPageNumber();
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nowpage.setText("µÚ"+currentPageNumber+"Ò³");
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}
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});
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}
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return lastPageButton;
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}
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public int getMaxPageNumber() {
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double k=Integer.parseInt(getHang());
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double j=getAllrows()/k;
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return maxPageNumber=(int) Math.ceil(j);
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//Math.ceil() º¯Êý·µ»Ø´óÓÚ»òµÈÓÚÒ»¸ö¸ø¶¨Êý×ÖµÄ×îСÕûÊý
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}
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}
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