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editor.tabpane.TabContainerLayoutManager Maven / Gradle / Ivy
package editor.tabpane;
import javax.swing.*;
import java.awt.*;
/**
*/
public class TabContainerLayoutManager implements LayoutManager
{
public void removeLayoutComponent( Component comp )
{
}
public void addLayoutComponent( String name, Component comp )
{
}
public void layoutContainer( Container parent )
{
TabContainer tabContainer = (TabContainer)parent;
TabPosition tabPosition = tabContainer.getTabPosition();
if( tabPosition == TabPosition.TOP )
{
layoutContainerTop( tabContainer );
}
else if( tabPosition == TabPosition.BOTTOM )
{
layoutContainerBottom( tabContainer );
}
else if( tabPosition == TabPosition.LEFT )
{
layoutContainerLeft( tabContainer );
}
else if( tabPosition == TabPosition.RIGHT )
{
layoutContainerRight( tabContainer );
}
}
public Dimension minimumLayoutSize( Container parent )
{
TabContainer tabContainer = (TabContainer)parent;
TabPosition tabPosition = tabContainer.getTabPosition();
if( tabPosition == TabPosition.TOP ||
tabPosition == TabPosition.BOTTOM )
{
return minimumLayoutSizeHorizontal( tabContainer );
}
else
{
return minimumLayoutSizeVertical( tabContainer );
}
}
public Dimension preferredLayoutSize( Container parent )
{
TabContainer tabContainer = (TabContainer)parent;
TabPosition tabPosition = tabContainer.getTabPosition();
if( tabPosition == TabPosition.TOP ||
tabPosition == TabPosition.BOTTOM )
{
return preferredLayoutSizeHorizontal( tabContainer );
}
else
{
return preferredLayoutSizeVertical( tabContainer );
}
}
private Dimension preferredLayoutSizeHorizontal( Container parent )
{
TabContainer tabContainer = (TabContainer)parent;
ITab[] tabs = tabContainer.getTabs();
if( tabs.length == 0 )
{
return new Dimension( 0, 0 );
}
int iWidth = 0;
int iHeight = 0;
for( int i = 0; i < tabs.length; i++ )
{
Component comp = tabs[i].getComponent();
Dimension pref = comp.getPreferredSize();
iHeight = Math.max( pref.height, iHeight );
if( i+1 < tabs.length )
{
iWidth += pref.width - pref.height/2;
}
else
{
iWidth += pref.width;
}
}
return new Dimension( iWidth, iHeight );
}
private Dimension preferredLayoutSizeVertical( Container parent )
{
TabContainer tabContainer = (TabContainer)parent;
ITab[] tabs = tabContainer.getTabs();
if( tabs.length == 0 )
{
return new Dimension( 0, 0 );
}
int iWidth = 0;
int iHeight = 0;
for( int i = 0; i < tabs.length; i++ )
{
Component comp = tabs[i].getComponent();
Dimension pref = comp.getPreferredSize();
iWidth = Math.max( pref.width, iWidth );
if( i+1 < tabs.length )
{
iHeight += 2 + pref.height - pref.width/2;
}
else
{
iHeight += 2 + pref.height;
}
}
return new Dimension( iWidth, iHeight );
}
private void layoutContainerTop( Container parent )
{
TabContainer tabContainer = (TabContainer)parent;
ITab[] tabs = tabContainer.getTabs();
int iX = 0;
int iParentFloor = parent.getHeight();
boolean bShowMore = false;
MoreTab moreTab = tabContainer.getMoreTab();
for( int i = 0; i < tabs.length; i++ )
{
JComponent comp = tabs[i].getComponent();
Dimension pref = comp.getPreferredSize();
comp.setBounds( iX, iParentFloor - pref.height, pref.width, pref.height );
iX += pref.width - pref.height/2;
comp.setVisible( true );
if( !bShowMore && comp.getWidth() + comp.getX() > parent.getWidth() )
{
bShowMore = true;
Dimension dimMore = moreTab.getPreferredSize();
moreTab.setBounds( parent.getWidth() - dimMore.width, iParentFloor - pref.height - 1, dimMore.width, pref.height );
if( parent.getComponentZOrder( moreTab ) > parent.getComponentZOrder( comp ) )
{
parent.add( moreTab, parent.getComponentZOrder( comp ) );
}
iX += dimMore.width;
}
}
moreTab.setVisible( bShowMore );
}
private void layoutContainerBottom( Container parent )
{
TabContainer tabContainer = (TabContainer)parent;
ITab[] tabs = tabContainer.getTabs();
int iX = 0;
boolean bShowMore = false;
MoreTab moreTab = tabContainer.getMoreTab();
for( int i = 0; i < tabs.length; i++ )
{
JComponent comp = tabs[i].getComponent();
Dimension pref = comp.getPreferredSize();
comp.setBounds( iX, 0, pref.width, pref.height );
iX += pref.width - pref.height/2;
comp.setVisible( true );
if( !bShowMore && comp.getWidth() + comp.getX() > parent.getWidth() )
{
bShowMore = true;
Dimension dimMore = moreTab.getPreferredSize();
moreTab.setBounds( parent.getWidth() - dimMore.width, 2, dimMore.width, pref.height );
if( parent.getComponentZOrder( moreTab ) > parent.getComponentZOrder( comp ) )
{
parent.add( moreTab, parent.getComponentZOrder( comp ) );
}
iX += dimMore.width;
}
}
moreTab.setVisible( bShowMore );
}
private void layoutContainerLeft( Container parent )
{
TabContainer tabContainer = (TabContainer)parent;
ITab[] tabs = tabContainer.getTabs();
int iY = 0;
int iParentRigthWall = parent.getWidth();
boolean bShowMore = false;
MoreTab moreTab = tabContainer.getMoreTab();
for( int i = 0; i < tabs.length; i++ )
{
JComponent comp = tabs[i].getComponent();
Dimension pref = comp.getPreferredSize();
comp.setBounds( iParentRigthWall - pref.width, iY, pref.width, pref.height );
iY += pref.height - pref.width/2;
comp.setVisible( true );
if( !bShowMore && comp.getHeight() + comp.getY() > parent.getHeight() )
{
bShowMore = true;
Dimension dimMore = moreTab.getPreferredSize();
moreTab.setBounds( iParentRigthWall - pref.width, parent.getHeight() - dimMore.height, pref.width, dimMore.height );
if( parent.getComponentZOrder( moreTab ) > parent.getComponentZOrder( comp ) )
{
parent.add( moreTab, parent.getComponentZOrder( comp ) );
}
iY += dimMore.height;
}
}
moreTab.setVisible( bShowMore );
}
private void layoutContainerRight( Container parent )
{
TabContainer tabContainer = (TabContainer)parent;
ITab[] tabs = tabContainer.getTabs();
int iY = 0;
boolean bShowMore = false;
MoreTab moreTab = tabContainer.getMoreTab();
for( int i = 0; i < tabs.length; i++ )
{
JComponent comp = tabs[i].getComponent();
Dimension pref = comp.getPreferredSize();
comp.setBounds( 0, iY, pref.width, pref.height );
iY += pref.height - pref.width/2;
comp.setVisible( true );
if( !bShowMore && comp.getHeight() + comp.getY() > parent.getHeight() )
{
bShowMore = true;
Dimension dimMore = moreTab.getPreferredSize();
moreTab.setBounds( 0, parent.getHeight() - dimMore.height, pref.width, dimMore.height );
if( parent.getComponentZOrder( moreTab ) > parent.getComponentZOrder( comp ) )
{
parent.add( moreTab, parent.getComponentZOrder( comp ) );
}
iY += dimMore.height;
}
}
moreTab.setVisible( bShowMore );
}
private Dimension minimumLayoutSizeHorizontal( Container parent )
{
Component[] comps = parent.getComponents();
if( comps.length == 0 )
{
return new Dimension( 0, 0 );
}
int iWidth = 0;
int iHeight = 0;
for( int i = 0; i < comps.length; i++ )
{
Component comp = comps[i];
Dimension min = comp.getMinimumSize();
iHeight = Math.max( min.height, iHeight );
iWidth += min.width - min.height/2;
}
return new Dimension( iWidth, iHeight );
}
private Dimension minimumLayoutSizeVertical( Container parent )
{
Component[] comps = parent.getComponents();
if( comps.length == 0 )
{
return new Dimension( 0, 0 );
}
int iWidth = 0;
int iHeight = 0;
for( int i = 0; i < comps.length; i++ )
{
Component comp = comps[i];
Dimension min = comp.getMinimumSize();
iWidth = Math.max( min.width, iWidth );
iHeight += min.height - min.width/2;
}
return new Dimension( iWidth, iHeight );
}
}
