From 254ee6f47eebfc00462c10756a92066e82cc1a96 Mon Sep 17 00:00:00 2001
From: Andrew Branson <andrew@andrewbranson.net>
Date: Tue, 21 Jun 2011 15:46:02 +0200
Subject: Initial commit

---
 .../com/c2kernel/gui/tabs/outcome/form/Field.java  | 137 +++++++++++++++++++++
 1 file changed, 137 insertions(+)
 create mode 100755 source/com/c2kernel/gui/tabs/outcome/form/Field.java

(limited to 'source/com/c2kernel/gui/tabs/outcome/form/Field.java')

diff --git a/source/com/c2kernel/gui/tabs/outcome/form/Field.java b/source/com/c2kernel/gui/tabs/outcome/form/Field.java
new file mode 100755
index 0000000..e1bc35c
--- /dev/null
+++ b/source/com/c2kernel/gui/tabs/outcome/form/Field.java
@@ -0,0 +1,137 @@
+package com.c2kernel.gui.tabs.outcome.form;
+import java.awt.Component;
+
+import javax.swing.JComponent;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.SwingConstants;
+
+import org.exolab.castor.xml.schema.ElementDecl;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Text;
+
+import com.c2kernel.gui.tabs.outcome.OutcomeException;
+import com.c2kernel.gui.tabs.outcome.form.field.StringEditField;
+import com.c2kernel.utils.Logger;
+
+
+public class Field extends OutcomeStructure {
+
+    StringEditField myElementPanel = null;
+    AttributeList myAttributes;
+    JLabel tagName;
+    Text textNode;
+    boolean fixed;
+    public static final JPanel nullPanel = new JPanel();
+
+    public Field(ElementDecl model, boolean readOnly, HelpPane helpPane) {
+        super(model, readOnly, helpPane);
+
+        try {
+            myElementPanel = StringEditField.getEditField(model);
+            Logger.msg(6, "Field type: "+myElementPanel.getClass().getName());
+			myElementPanel.setHelp(helpPane, help);
+            if (readOnly) myElementPanel.setEditable(false);
+
+        } catch (StructuralException e) { // no base type for field - only attributes
+            myElementPanel = null;
+        }
+
+        myAttributes = new AttributeList(model, readOnly, helpPane);
+
+        tagName = new JLabel(model.getName());
+        tagName.setVerticalAlignment(SwingConstants.BOTTOM);
+    }
+
+    public JComponent getLabel() {
+        return tagName;
+    }
+
+    public Component getCData() {
+        if (myElementPanel == null)
+            return nullPanel;
+        return myElementPanel.getControl();
+    }
+
+    public JComponent getAttributes() {
+        return myAttributes;
+    }
+
+    public void addStructure(OutcomeStructure newElement) throws StructuralException {
+        throw new StructuralException("Field "+model.getName()+" cannot have child structures");
+    }
+
+    public void addInstance(Element myElement, Document parentDoc) throws OutcomeException {
+        Logger.msg(6, "Accepting Field "+myElement.getTagName());
+        if (this.myElement != null) throw new CardinalException("Field "+this.getName()+" cannot repeat");
+        this.myElement = myElement;
+
+        try {        
+            if (myElementPanel == null)
+                Logger.error("Field should be empty. Discarding contents.");
+            else {
+                if (myElement.hasChildNodes())
+                    textNode = (Text)myElement.getFirstChild();
+                else {
+                    textNode = parentDoc.createTextNode(getDefaultValue());
+                    myElement.appendChild(textNode);
+                }
+                    
+                myElementPanel.setData(textNode);
+            }                    
+        } catch (ClassCastException ex) {
+            throw new StructuralException("First child node of Field " + this.getName() + " was not Text: "+myElement.getFirstChild().getNodeType());
+        }
+        myAttributes.setInstance(myElement);
+    }
+
+        // check if valid
+
+    public String validateStructure() {
+        myAttributes.validateAttributes();
+        if (myElementPanel != null) myElementPanel.updateNode();
+        Text contents = (Text)myElement.getFirstChild();
+        if (!myElement.hasAttributes() && model.getMinOccurs() < 1 &&
+            (contents == null || contents.getData().length() == 0))
+            // empty - should remove if optional
+            myElement.getParentNode().removeChild(myElement);
+        return null;
+    }
+
+    public Element initNew(Document parent) {
+        Logger.msg(6, "Creating Field "+this.getName());
+
+        // make a new Element
+        myElement = parent.createElement(this.getName());
+
+        // see if there is a default/fixed value
+        if (myElementPanel != null) {
+            // populate
+            String defaultVal = readOnly?"":getDefaultValue();
+            textNode = parent.createTextNode(defaultVal);
+            myElement.appendChild(textNode);
+            myElementPanel.setData(textNode);
+        }
+
+        // set up attributes
+        myAttributes.initNew(myElement);
+
+        return myElement;
+    }
+    
+    private String getDefaultValue() {
+        String defaultValue = model.getFixedValue();
+        if (defaultValue == null) defaultValue = model.getDefaultValue();
+        if (defaultValue == null) defaultValue = myElementPanel.getDefaultValue();
+        return defaultValue;
+    }
+
+    public void grabFocus() {
+        if (myElementPanel != null)
+            myElementPanel.grabFocus();
+        else
+            myAttributes.grabFocus();
+    }
+
+}
-- 
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