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Posted to commits@pdfbox.apache.org by ms...@apache.org on 2014/10/19 23:54:34 UTC

svn commit: r1633010 - in /pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox: pdmodel/interactive/form/PDField.java pdmodel/interactive/form/PDTextField.java util/appearance/ util/appearance/AppearanceGenerator.java

Author: msahyoun
Date: Sun Oct 19 21:54:33 2014
New Revision: 1633010

URL: http://svn.apache.org/r1633010
Log:
PDFBOX-2333 enable appearance generation

Added:
    pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/appearance/
    pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/appearance/AppearanceGenerator.java   (with props)
Modified:
    pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/form/PDField.java
    pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/form/PDTextField.java

Modified: pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/form/PDField.java
URL: http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/form/PDField.java?rev=1633010&r1=1633009&r2=1633010&view=diff
==============================================================================
--- pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/form/PDField.java (original)
+++ pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/form/PDField.java Sun Oct 19 21:54:33 2014
@@ -20,6 +20,7 @@ import org.apache.pdfbox.cos.COSDictiona
 import org.apache.pdfbox.cos.COSInteger;
 import org.apache.pdfbox.cos.COSName;
 import org.apache.pdfbox.pdmodel.interactive.action.PDFormFieldAdditionalActions;
+import org.apache.pdfbox.util.appearance.AppearanceGenerator;
 
 /**
  * A field in an interactive form.
@@ -121,6 +122,12 @@ public abstract class PDField extends PD
         }
         return fieldType;
     }
+    
+    protected void updateFieldAppearances() {
+    	if (!getAcroForm().isNeedAppearances()) {
+    		AppearanceGenerator.generateFieldAppearances(this);
+    	}
+    }
 
 
 }

Modified: pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/form/PDTextField.java
URL: http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/form/PDTextField.java?rev=1633010&r1=1633009&r2=1633010&view=diff
==============================================================================
--- pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/form/PDTextField.java (original)
+++ pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/form/PDTextField.java Sun Oct 19 21:54:33 2014
@@ -93,7 +93,8 @@ public final class PDTextField extends P
         {
             getDictionary().removeItem(COSName.V);
         }
-        // TODO create/update appearance
+        
+        updateFieldAppearances();
     }
 
     /**

Added: pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/appearance/AppearanceGenerator.java
URL: http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/appearance/AppearanceGenerator.java?rev=1633010&view=auto
==============================================================================
--- pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/appearance/AppearanceGenerator.java (added)
+++ pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/appearance/AppearanceGenerator.java Sun Oct 19 21:54:33 2014
@@ -0,0 +1,74 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.pdfbox.util.appearance;
+
+import java.io.IOException;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.pdfbox.pdmodel.interactive.form.PDAppearanceString;
+import org.apache.pdfbox.pdmodel.interactive.form.PDField;
+import org.apache.pdfbox.pdmodel.interactive.form.PDVariableText;
+
+/**
+ * (Re-) Generate the appearance for a field.
+ * 
+ * The fields appearance defines the 'look' the field has when it's rendered
+ * for display or printing.
+ * 
+ */
+
+public class AppearanceGenerator {
+	
+	private static final Log LOG = LogFactory.getLog(AppearanceGenerator.class);
+	
+	private AppearanceGenerator() {
+	}
+	
+	
+	/**
+	 * Generate the appearances for a single field.
+	 * 
+	 * @param field The field which appearances need to be generated.
+	 */
+	public static void generateFieldAppearances(PDField field) {
+		// TODO: handle appearance generation for other field types
+		if (field instanceof PDVariableText) {
+			
+			PDAppearanceString pdAppearance = new PDAppearanceString(field.getAcroForm(), (PDVariableText) field);
+			
+			Object fieldValue = field.getValue();
+			
+			// in case there is no value being set generate the visual 
+			// appearance with an empty String
+			if (fieldValue == null) {
+				fieldValue = "";
+			}
+			
+			// TODO: implement the handling for additional values.
+			if (fieldValue instanceof String) {
+				try {
+					pdAppearance.setAppearanceValue((String) fieldValue);
+				} catch (IOException e) {
+					LOG.error("Unable to generate the field appearance.", e);
+				}
+			} else {
+				LOG.warn("Can't generate the appearance for values typed " + fieldValue.getClass().getName() + ".");
+			}
+		}
+	}
+}

Propchange: pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/appearance/AppearanceGenerator.java
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Propchange: pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/appearance/AppearanceGenerator.java
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