Created xedit subdirectory.
git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@260 0109f412-320b-0410-ab79-c3e0c5ffbbe6
This commit is contained in:
ahodgkinson
642
xflaim/java/util/XEdit/xedit/NodePanel.java
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642
xflaim/java/util/XEdit/xedit/NodePanel.java
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@@ -0,0 +1,642 @@
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//------------------------------------------------------------------------------
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// Desc: Node Panel
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//
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// Tabs: 3
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//
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// Copyright (c) 2003-2006 Novell, Inc. All Rights Reserved.
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||||
//
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||||
// This program is free software; you can redistribute it and/or
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||||
// modify it under the terms of version 2 of the GNU General Public
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// License as published by the Free Software Foundation.
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||||
//
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||||
// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
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||||
//
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||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program; if not, contact Novell, Inc.
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||||
//
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||||
// To contact Novell about this file by physical or electronic mail,
|
||||
// you may find current contact information at www.novell.com
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||||
//
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||||
// $Id: NodePanel.java 3120 2006-01-19 13:41:12 -0700 (Thu, 19 Jan 2006) dsanders $
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//------------------------------------------------------------------------------
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package xedit;
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import xedit.*;
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import xflaim.*;
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import java.awt.*;
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import javax.swing.*;
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/**
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* The Nodepanel class represents the DOM node that is being shown in the XEdit
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* main display window. It preseves essential state information. It acts as
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* as repository for the XEdit main body to interact with. There is a fixed
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* number of NodePanel objects in the XEdit main display that never changes.
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* As the user scrolls up or down, causing the nodes to be repositioned,
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* the content of each NodePanel is copied to the NodePanel immediately
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* adjacent to it. The NodePanels themselves are fixed in their location.
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||||
*/
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||||
public class NodePanel extends JPanel
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{
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private boolean m_bExpanded;
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private boolean m_bHasChildren;
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private long m_lNodeId;
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private long m_lDocId;
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private int m_iCollection;
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private XEdit m_root;
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private JLabel m_label;
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private GridBagLayout m_gbLayout;
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private GridBagConstraints m_gbConstraints;
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private int m_iRow;
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private boolean m_bClosing;
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/**
|
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* Constructor
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*/
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public NodePanel(
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XEdit root,
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int iRow)
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{
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m_lNodeId = -1;
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m_lDocId = -1;
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m_iCollection = -1;
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m_root = root;
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m_iRow = iRow;
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m_bHasChildren = false;
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m_bExpanded = false;
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m_bClosing = false;
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addMouseListener(m_root);
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m_label = new JLabel();
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m_label.setFont(new Font("Courier", Font.PLAIN, 16));
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Dimension d = root.getSizeOfDisplay();
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setSize(d.width, 17);
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setMinimumSize(new Dimension(d.width, 17));
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m_gbLayout = new GridBagLayout();
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m_gbConstraints = new GridBagConstraints();
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setLayout(m_gbLayout);
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addToPanel(m_label, 0, 0, 1, 1, 100, 100, false);
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setVisible(true);
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}
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/**
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* Method reset the node panel.
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*/
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public void reset()
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{
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m_lNodeId = -1;
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m_iCollection = -1;
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m_bHasChildren = false;
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m_bExpanded = false;
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m_bClosing = false;
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m_lDocId = -1;
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setLabelText("");
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m_label.setForeground(Color.BLACK);
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Dimension d = m_root.getSizeOfDisplay();
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setSize(d.width, 17);
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}
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/**
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* Method return the row number that this node occupies
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*/
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public int getRow()
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{
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return m_iRow;
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}
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/**
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* Method to get the expanded state of the node
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*/
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public boolean isExpanded()
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{
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return m_bExpanded;
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}
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/**
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* Method return the children status of the node (hasChildren)
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*/
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public boolean hasChildren()
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{
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return m_bHasChildren;
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}
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/**
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* Method return the node Id of the node
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*/
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public long getNodeId()
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{
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return m_lNodeId;
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}
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/**
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* Method return the document Id of the node
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*/
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public long getDocId()
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{
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return m_lDocId;
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}
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/**
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* Method return the closing state of the node, i.e. is this a
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* closing node after expansion.
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*/
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public boolean isClosing()
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{
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return m_bClosing;
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}
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/**
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* Method to set the forground of the label to show that this node is
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* selected.
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*/
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public void selectNode()
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{
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if (m_lDocId > 0)
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{
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m_label.setForeground(Color.MAGENTA);
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}
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}
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/**
|
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* Method to reset the forground of the label to show that this node is
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* selected.
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*/
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public void deselectNode()
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{
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m_label.setForeground(Color.BLACK);
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}
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/**
|
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* Method to retrieve the collection for the current node.
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*/
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public int getCollection()
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{
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return m_iCollection;
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}
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/**
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* Method to copy a NodePanel. The Nodepane np will be copied into
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* this node.
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*/
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public void copyNode(
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NodePanel np)
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{
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m_bClosing = np.m_bClosing;
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m_bExpanded = np.m_bExpanded;
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||||
m_bHasChildren = np.m_bHasChildren;
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m_iCollection = np.m_iCollection;
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m_lDocId = np.m_lDocId;
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m_lNodeId = np.m_lNodeId;
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m_label.setText(new String(np.m_label.getText()));
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}
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/**
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* Method to set the text that is being displayed by the NodePanel.
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* @param sText
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*/
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private void setLabelText(String sText)
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{
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m_label.setText(sText);
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}
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/**
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* Sets up everything needed to present the DOM node as a text string in
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* the NodePanel. All internal state variables are set accordingly.
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*
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* @param jDb
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* @param refNode
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* @param bExpanded
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* @param bClosing
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* @throws XFlaimException
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*/
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public void buildLabel(
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DOMNode refNode,
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boolean bExpanded,
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boolean bClosing,
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boolean bList) throws XFlaimException
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{
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String sText = null;
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||||
String sExpand;
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||||
String sTag = null;
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String sName = null;
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String sPrefix = null;
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String sValue = null;
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String[] saAttrTags = new String[100];
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String[] saAttrValues = new String[100];
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DOMNode attrNode = null;
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int iNumAttrs = 0;
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int iLevel;
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int iNodeType = refNode.getNodeType();
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m_bHasChildren = refNode.hasChildren();
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m_bExpanded = bExpanded;
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m_lNodeId = refNode.getNodeId();
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m_lDocId = refNode.getDocumentId();
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if (m_lDocId == 0)
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{
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m_lDocId = m_lNodeId;
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}
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m_bClosing = bClosing;
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m_iCollection = refNode.getCollection();
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iLevel = getLevel(refNode);
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//The first thing on the label is a Plus sign (if the node has children).
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if (m_bHasChildren && !bList)
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{
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if (m_bExpanded)
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{
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sExpand = "-";
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}
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||||
else
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{
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||||
sExpand = "+";
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}
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}
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else
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{
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sExpand = new String(" ");
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}
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if ((iNodeType != FlmDomNodeType.DATA_NODE) &&
|
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(iNodeType != FlmDomNodeType.COMMENT_NODE))
|
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{
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sPrefix = refNode.getPrefix();
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sName = refNode.getLocalName();
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if (sPrefix != null && !sPrefix.equals(""))
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{
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sTag = sPrefix + ":" + sName;
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||||
}
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||||
else
|
||||
{
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||||
sTag = sName;
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||||
}
|
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}
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// Check here to see if this document has only one node (ignoring attributes)
|
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// We want to make sure we assign the closing "/" only when the node that is
|
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// marked as closing, truly is closing off other nodes. This is due to
|
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// the way the up/down keys are used.
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if (bClosing)
|
||||
{
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if (!m_bHasChildren && m_lDocId == m_lNodeId)
|
||||
{
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m_bClosing = bClosing = false;
|
||||
}
|
||||
}
|
||||
|
||||
if (!bClosing)
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||||
{
|
||||
if (refNode.hasAttributes())
|
||||
{
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||||
boolean bFirst = true;
|
||||
|
||||
for (iNumAttrs = 0;;iNumAttrs++)
|
||||
{
|
||||
// We don't know how many attributes this node has, so we will have to rely on catching an exception to
|
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// break out of this loop.
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||||
try
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{
|
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if (bFirst)
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||||
{
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||||
attrNode = refNode.getFirstAttribute(null);
|
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bFirst = false;
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||||
}
|
||||
else
|
||||
{
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||||
attrNode = attrNode.getNextSibling(attrNode);
|
||||
}
|
||||
}
|
||||
catch (XFlaimException e)
|
||||
{
|
||||
if (e.getRCode() == RCODE.NE_XFLM_DOM_NODE_NOT_FOUND)
|
||||
{
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||||
break;
|
||||
}
|
||||
else
|
||||
{
|
||||
JOptionPane.showMessageDialog(
|
||||
this,
|
||||
"Exception occurred in Database: " + e.getMessage(),
|
||||
"Database Exception",
|
||||
JOptionPane.ERROR_MESSAGE);
|
||||
return;
|
||||
}
|
||||
} // try/catch
|
||||
|
||||
try
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||||
{
|
||||
if (saAttrTags.length < iNumAttrs)
|
||||
{
|
||||
JOptionPane.showMessageDialog(
|
||||
this,
|
||||
"Too many attributes",
|
||||
"Internal Error",
|
||||
JOptionPane.ERROR_MESSAGE);
|
||||
}
|
||||
sPrefix = attrNode.getPrefix();
|
||||
sName = attrNode.getLocalName();
|
||||
if (sPrefix != null && !sPrefix.equals(""))
|
||||
{
|
||||
saAttrTags[iNumAttrs] = sPrefix + ":" + sName;
|
||||
}
|
||||
else
|
||||
{
|
||||
saAttrTags[iNumAttrs] = sName;
|
||||
}
|
||||
saAttrValues[iNumAttrs] = getNodeValue(attrNode);
|
||||
}
|
||||
catch (XFlaimException e)
|
||||
{
|
||||
JOptionPane.showMessageDialog(
|
||||
this,
|
||||
"Exception occurred in Database: " + e.getMessage(),
|
||||
"Database Exception",
|
||||
JOptionPane.ERROR_MESSAGE);
|
||||
return;
|
||||
}
|
||||
|
||||
} // for - getting attributes.
|
||||
}
|
||||
}
|
||||
|
||||
// Now build the actual label.
|
||||
sText = sExpand + " ";
|
||||
if (!bList)
|
||||
{
|
||||
for (int i=0; i < iLevel; i++)
|
||||
{
|
||||
sText = sText + " ";
|
||||
}
|
||||
sText = sText + new Integer(iLevel).toString() + " ";
|
||||
}
|
||||
if (iNodeType == FlmDomNodeType.ELEMENT_NODE)
|
||||
{
|
||||
sText = sText + "<";
|
||||
if (bClosing)
|
||||
{
|
||||
sText = sText + "/";
|
||||
}
|
||||
sText = sText + sTag;
|
||||
|
||||
for (int i = 0; i < iNumAttrs; i++)
|
||||
{
|
||||
sText = sText + " " + saAttrTags[i] + "=\"" + saAttrValues[i] + "\"";
|
||||
}
|
||||
|
||||
if (!bClosing)
|
||||
{
|
||||
if (m_bHasChildren && !m_bExpanded)
|
||||
{
|
||||
sText = sText + "/>";
|
||||
}
|
||||
else
|
||||
{
|
||||
sText = sText + ">";
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
sText = sText + ">";
|
||||
}
|
||||
// Check for annotations.
|
||||
if (!bClosing && refNode.hasAnnotation())
|
||||
{
|
||||
DOMNode jAnnot = refNode.getAnnotation(null);
|
||||
sText += jAnnot.getString();
|
||||
}
|
||||
}
|
||||
else // Comment or Data Node. Don't handle other types right now.
|
||||
{
|
||||
if (iNodeType == FlmDomNodeType.COMMENT_NODE)
|
||||
{
|
||||
sText = sText + "<!--";
|
||||
}
|
||||
// Get the value of the data node.
|
||||
sValue = getNodeValue(refNode);
|
||||
sText = sText + sValue;
|
||||
if (iNodeType == FlmDomNodeType.COMMENT_NODE)
|
||||
{
|
||||
sText = sText + "-->";
|
||||
}
|
||||
}
|
||||
if (bList)
|
||||
{
|
||||
// Need to make sure we don't let the value get too long on a list. This
|
||||
// is a temporary measure to help find why the list page when listing
|
||||
// dictionary documents hooks the key events onto the horizontal scroll
|
||||
// bar.
|
||||
if (sText.length() > 65)
|
||||
{
|
||||
sText = sText.substring(0, 64);
|
||||
}
|
||||
}
|
||||
m_label.setText(sText);
|
||||
Dimension d = getSize();
|
||||
setSize(m_label.getWidth(), d.height);
|
||||
}
|
||||
|
||||
/**
|
||||
* Method to calculate the indentation level of the node.
|
||||
*
|
||||
* @param refNode
|
||||
* @return
|
||||
* @throws XFlaimException
|
||||
*/
|
||||
private int getLevel(
|
||||
DOMNode refNode) throws XFlaimException
|
||||
{
|
||||
DOMNode parent = null;
|
||||
int iLevel = 0;
|
||||
boolean bFirst = true;
|
||||
|
||||
for (;;)
|
||||
{
|
||||
try
|
||||
{
|
||||
if (bFirst)
|
||||
{
|
||||
bFirst = false;
|
||||
parent = refNode.getParentNode(null);
|
||||
}
|
||||
else
|
||||
{
|
||||
parent = parent.getParentNode(parent);
|
||||
}
|
||||
iLevel++;
|
||||
}
|
||||
catch (XFlaimException e)
|
||||
{
|
||||
if (e.getRCode() == RCODE.NE_XFLM_DOM_NODE_NOT_FOUND)
|
||||
{
|
||||
break;
|
||||
}
|
||||
else
|
||||
{
|
||||
throw e;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return iLevel;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Method to retrieve the node Value as a text string suitable for
|
||||
* displaying.
|
||||
*
|
||||
* @param jNode
|
||||
* @return
|
||||
*/
|
||||
private String getNodeValue(
|
||||
DOMNode jNode)
|
||||
{
|
||||
int iDataType;
|
||||
String sValue = null;
|
||||
|
||||
try
|
||||
{
|
||||
|
||||
iDataType = jNode.getDataType();
|
||||
|
||||
switch (iDataType)
|
||||
{
|
||||
case FlmDataType.FLM_TEXT_TYPE:
|
||||
{
|
||||
sValue = jNode.getString();
|
||||
break;
|
||||
}
|
||||
case FlmDataType.FLM_NUMBER_TYPE:
|
||||
{
|
||||
long lValue = jNode.getLong();
|
||||
sValue = (new Long(lValue)).toString();
|
||||
break;
|
||||
}
|
||||
case FlmDataType.FLM_BINARY_TYPE:
|
||||
{
|
||||
// No supported yet.
|
||||
}
|
||||
default:
|
||||
|
||||
}
|
||||
}
|
||||
catch (XFlaimException e)
|
||||
{
|
||||
JOptionPane.showMessageDialog(this,
|
||||
"Database Exception occurred: " + e.getMessage(),
|
||||
"Database Exception",
|
||||
JOptionPane.ERROR_MESSAGE);
|
||||
return null;
|
||||
}
|
||||
|
||||
|
||||
return sValue;
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds the internal component (label) to the NodePanel, setting the
|
||||
* constraints as specified.
|
||||
*
|
||||
* @param comp
|
||||
* @param iColumn
|
||||
* @param iRow
|
||||
* @param iColSpan
|
||||
* @param iRowSpan
|
||||
* @param iColWeight
|
||||
* @param iRowWeight
|
||||
* @param bUpdateDisplay
|
||||
*/
|
||||
private void addToPanel(
|
||||
Component comp,
|
||||
int iColumn,
|
||||
int iRow,
|
||||
int iColSpan,
|
||||
int iRowSpan,
|
||||
int iColWeight,
|
||||
int iRowWeight,
|
||||
boolean bUpdateDisplay)
|
||||
{
|
||||
UITools.buildConstraints(m_gbConstraints, iColumn, iRow, iColSpan, iRowSpan, iColWeight, iRowWeight);
|
||||
m_gbConstraints.anchor = GridBagConstraints.LINE_START;
|
||||
m_gbConstraints.fill = GridBagConstraints.NONE;
|
||||
m_gbLayout.addLayoutComponent(comp, m_gbConstraints);
|
||||
add(comp);
|
||||
if (bUpdateDisplay)
|
||||
{
|
||||
m_root.updateDisplay();
|
||||
}
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent)
|
||||
*/
|
||||
// public void mouseClicked(MouseEvent e)
|
||||
// {
|
||||
// Point p;
|
||||
|
||||
// Select the row.
|
||||
// m_root.selectRow(this);
|
||||
|
||||
// if (e.getButton() == MouseEvent.BUTTON3)
|
||||
// {
|
||||
// popup the document menu.
|
||||
// m_popup = new JPopupMenu("Document Node Options");
|
||||
// m_popup.addFocusListener(this);
|
||||
// if (m_root.isMainPanel((JPanel)this.getParent()))
|
||||
// {
|
||||
// m_closeItem = m_popup.add("Close Document");
|
||||
// m_closeItem.addActionListener(this);
|
||||
// m_popup.addSeparator();
|
||||
// }
|
||||
|
||||
// if (m_bHasChildren)
|
||||
// {
|
||||
// if (m_bExpanded)
|
||||
// {
|
||||
// m_expandCollapseItem = m_popup.add("Collapse Node");
|
||||
// }
|
||||
// else
|
||||
// {
|
||||
// m_expandCollapseItem = m_popup.add("Expand Node");
|
||||
// }
|
||||
// m_expandCollapseItem.addActionListener(this);
|
||||
// m_popup.addSeparator();
|
||||
// }
|
||||
|
||||
// m_deleteItem = m_popup.add("Delete Node");
|
||||
// m_deleteItem.addActionListener(this);
|
||||
// m_editItem = m_popup.add("Edit Node");
|
||||
// m_editItem.setEnabled(false);
|
||||
// m_editItem.addActionListener(this);
|
||||
|
||||
// Need to make sure the menu appears close to where our window is located.
|
||||
// p = e.getPoint();
|
||||
// m_popup.show(this, p.x, p.y);
|
||||
// }
|
||||
|
||||
// if (e.getButton() == MouseEvent.BUTTON1)
|
||||
// {
|
||||
// if (e.getClickCount() > 1)
|
||||
// {
|
||||
// Expand or Collapse the node.
|
||||
// if (m_bExpanded)
|
||||
// {
|
||||
// collapse();
|
||||
// }
|
||||
// else
|
||||
// {
|
||||
// expand();
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
|
||||
// }
|
||||
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user