code: private void initialize() {
          GridBagConstraints gridBagConstraints2 = new GridBagConstraints();
  
          java.awt.GridBagConstraints gridBagConstraints1 = new GridBagConstraints();
  
          java.awt.GridBagConstraints gridBagConstraints11 = new GridBagConstraints();
  
          this.setLayout(new GridBagLayout());
  	    if (Model.getSingleton().getOptionsParam().getViewParam().getWmUiHandlingOption() == 0) {
  	    	this.setSize(375, 204);
  	    }
  	    this.setPreferredSize(new Dimension(375, 204));
          this.setName("categoryPanel");
          gridBagConstraints11.weightx = 1.0;
          gridBagConstraints11.weighty = 1.0;
          gridBagConstraints11.fill = java.awt.GridBagConstraints.BOTH;
          gridBagConstraints11.gridx = 0;
          gridBagConstraints11.gridy = 2;
          gridBagConstraints11.insets = new java.awt.Insets(0,0,0,0);
          gridBagConstraints11.anchor = java.awt.GridBagConstraints.NORTHWEST;
          gridBagConstraints11.gridwidth = 2;
          gridBagConstraints1.anchor = java.awt.GridBagConstraints.NORTHWEST;
          gridBagConstraints1.gridx = 0;
          gridBagConstraints1.gridy = 1;
          gridBagConstraints1.insets = new java.awt.Insets(2,2,2,2);
          gridBagConstraints2.gridx = 1;
          gridBagConstraints2.insets = new java.awt.Insets(2,2,2,2);
          gridBagConstraints2.gridy = 1;
          gridBagConstraints2.anchor = java.awt.GridBagConstraints.NORTHWEST;
          
          this.add(new JLabel(Constant.messages.getString("filter.warning")), LayoutHelper.getGBC(0, 0, 2, 1.0));
          this.add(getBtnEnableAll(), gridBagConstraints1);
          this.add(getBtnDisableAll(), gridBagConstraints2);
          this.add(getJScrollPane(), gridBagConstraints11);
  		
  	}
docs: This method initializes this