private void button1_Click(object sender, EventArgs e)
{
string input = @"..\..\..\..\..\..\Data\FormFieldTemplate.pdf";
//Open pdf document
PdfDocument pdf = new PdfDocument();
pdf.LoadFromFile(input);
//Get the first page
PdfPageBase page = pdf.Pages[0];
//As for existing pdf, the property needs to be set as true
pdf.AllowCreateForm = true;
//Create a new pdf font
PdfFont font = new PdfFont(PdfFontFamily.Helvetica, 12f, PdfFontStyle.Bold);
//Create a pdf brush
PdfBrush brush = PdfBrushes.Black;
float x = 150;
float y = 550;
float temX = 0;
//Create a pdf radio button list
PdfRadioButtonListField radioButton = new PdfRadioButtonListField(page, "RadioButton");
radioButton.Required = true;
//Add items into radio button list.
for (int i = 0; i < 3; i++)
{
PdfRadioButtonListItem item = new PdfRadioButtonListItem(string.Format("item{0}", i));
item.BorderWidth = 0.75f;
item.Bounds = new RectangleF(x, y, 15, 15);
item.BorderColor = Color.Red;
item.ForeColor = Color.Red;
radioButton.Items.Add(item);
temX = x + 20;
page.Canvas.DrawString(string.Format("Item{0}", i), font, brush, temX, y);
x = temX + 100;
}
//Add the radio button list field into pdf document
pdf.Form.Fields.Add(radioButton);
String result = "AddRadioButtonFieldWithOptions_out.pdf";
//Save the document
pdf.SaveToFile(result);
//Launch the Pdf file
PDFDocumentViewer(result);
}
private void button1_Click(object sender, EventArgs e)
{
string input = @"..\..\..\..\..\..\Data\FormFieldTemplate.pdf";
//Open pdf document
PdfDocument pdf = new PdfDocument();
pdf.LoadFromFile(input);
//Get the first page
PdfPageBase page = pdf.Pages[0];
//As for existing pdf, the property needs to be set as true
pdf.AllowCreateForm = true;
//Create a new pdf font
PdfFont font = new PdfFont(PdfFontFamily.Helvetica, 12f, PdfFontStyle.Bold);
//Create a pdf brush
PdfBrush brush = PdfBrushes.Black;
float x = 50;
float y = 550;
float tempX = 0;
string text = "RadioButton: ";
//Draw a text into page
page.Canvas.DrawString(text, font, brush, x, y);
tempX = font.MeasureString(text).Width + x + 15;
//Create a pdf radio button field
PdfRadioButtonListField radioButton = new PdfRadioButtonListField(page, "RadioButton");
radioButton.Required = true;
PdfRadioButtonListItem fieldItem = new PdfRadioButtonListItem();
fieldItem.BorderWidth = 0.75f;
fieldItem.Bounds = new RectangleF(tempX, y, 15, 15);
radioButton.Items.Add(fieldItem);
//Add the radio button field into pdf document
pdf.Form.Fields.Add(radioButton);
String result = "AddRadioButtonField_out.pdf";
//Save the document
pdf.SaveToFile(result);
//Launch the Pdf file
PDFDocumentViewer(result);
}
private float DrawFormField(XPathNavigator fieldNode, PdfForm form, PdfPageBase page, float y, int fieldIndex)
{
float width = page.Canvas.ClientSize.Width;
float padding = 2;
//measure field label
String label = fieldNode.GetAttribute("label", "");
PdfTrueTypeFont font1 = new PdfTrueTypeFont(new Font("Arial", 9f));
PdfStringFormat format = new PdfStringFormat(PdfTextAlignment.Right, PdfVerticalAlignment.Middle);
float labelMaxWidth = width * 0.4f - 2 * padding;
SizeF labelSize = font1.MeasureString(label, labelMaxWidth, format);
//measure field height
float fieldHeight = MeasureFieldHeight(fieldNode);
float height = labelSize.Height > fieldHeight ? labelSize.Height : fieldHeight;
height = height + 2;
//draw background
PdfBrush brush = PdfBrushes.SteelBlue;
if (fieldIndex % 2 == 1)
{
brush = PdfBrushes.LightGreen;
}
page.Canvas.DrawRectangle(brush, 0, y, width, height);
//draw field label
PdfBrush brush1 = PdfBrushes.LightYellow;
RectangleF labelBounds = new RectangleF(padding, y, labelMaxWidth, height);
page.Canvas.DrawString(label, font1, brush1, labelBounds, format);
//daw field
float fieldMaxWidth = width * 0.57f - 2 * padding;
float fieldX = labelBounds.Right + 2 * padding;
float fieldY = y + (height - fieldHeight) / 2;
String fieldType = fieldNode.GetAttribute("type", "");
String fieldId = fieldNode.GetAttribute("id", "");
bool required = "true" == fieldNode.GetAttribute("required", "");
switch (fieldType)
{
case "text":
case "password":
PdfTextBoxField textField = new PdfTextBoxField(page, fieldId);
textField.Bounds = new RectangleF(fieldX, fieldY, fieldMaxWidth, fieldHeight);
textField.BorderWidth = 0.75f;
textField.BorderStyle = PdfBorderStyle.Solid;
textField.Required = required;
if ("password" == fieldType)
{
textField.Password = true;
}
if ("true" == fieldNode.GetAttribute("multiple", ""))
{
textField.Multiline = true;
textField.Scrollable = true;
}
form.Fields.Add(textField);
break;
case "checkbox":
PdfCheckBoxField checkboxField = new PdfCheckBoxField(page, fieldId);
float checkboxWidth = fieldHeight - 2 * padding;
float checkboxHeight = checkboxWidth;
checkboxField.Bounds = new RectangleF(fieldX, fieldY + padding, checkboxWidth, checkboxHeight);
checkboxField.BorderWidth = 0.75f;
checkboxField.Style = PdfCheckBoxStyle.Cross;
checkboxField.Required = required;
form.Fields.Add(checkboxField);
break;
case "list":
XPathNodeIterator itemNodes = fieldNode.Select("item");
if ("true" == fieldNode.GetAttribute("multiple", ""))
{
PdfListBoxField listBoxField = new PdfListBoxField(page, fieldId);
listBoxField.Bounds = new RectangleF(fieldX, fieldY, fieldMaxWidth, fieldHeight);
listBoxField.BorderWidth = 0.75f;
listBoxField.MultiSelect = true;
listBoxField.Font = new PdfFont(PdfFontFamily.Helvetica, 9f);
listBoxField.Required = required;
//add items into list box.
foreach (XPathNavigator itemNode in itemNodes)
{
String text = itemNode.SelectSingleNode("text()").Value;
listBoxField.Items.Add(new PdfListFieldItem(text, text));
}
listBoxField.SelectedIndex = 0;
form.Fields.Add(listBoxField);
break;
}
if (itemNodes != null && itemNodes.Count <= 3)
{
PdfRadioButtonListField radioButtonListFile
= new PdfRadioButtonListField(page, fieldId);
radioButtonListFile.Required = required;
//add items into radio button list.
float fieldItemHeight = fieldHeight / itemNodes.Count;
float radioButtonWidth = fieldItemHeight - 2 * padding;
float radioButtonHeight = radioButtonWidth;
foreach (XPathNavigator itemNode in itemNodes)
{
String text = itemNode.SelectSingleNode("text()").Value;
PdfRadioButtonListItem fieldItem = new PdfRadioButtonListItem(text);
fieldItem.BorderWidth = 0.75f;
fieldItem.Bounds = new RectangleF(fieldX, fieldY + padding, radioButtonWidth, radioButtonHeight);
radioButtonListFile.Items.Add(fieldItem);
float fieldItemLabelX = fieldX + radioButtonWidth + padding;
SizeF fieldItemLabelSize = font1.MeasureString(text);
float fieldItemLabelY = fieldY + (fieldItemHeight - fieldItemLabelSize.Height) / 2;
page.Canvas.DrawString(text, font1, brush1, fieldItemLabelX, fieldItemLabelY);
fieldY = fieldY + fieldItemHeight;
}
form.Fields.Add(radioButtonListFile);
break;
}
//combo box
PdfComboBoxField comboBoxField = new PdfComboBoxField(page, fieldId);
comboBoxField.Bounds = new RectangleF(fieldX, fieldY, fieldMaxWidth, fieldHeight);
comboBoxField.BorderWidth = 0.75f;
comboBoxField.Font = new PdfFont(PdfFontFamily.Helvetica, 9f);
comboBoxField.Required = required;
//add items into combo box.
foreach (XPathNavigator itemNode in itemNodes)
{
String text = itemNode.SelectSingleNode("text()").Value;
comboBoxField.Items.Add(new PdfListFieldItem(text, text));
}
form.Fields.Add(comboBoxField);
break;
}
if (required)
{
//draw *
float flagX = width * 0.97f + padding;
PdfTrueTypeFont font3 = new PdfTrueTypeFont(new Font("Arial", 10f, FontStyle.Bold));
SizeF size = font3.MeasureString("*");
float flagY = y + (height - size.Height) / 2;
page.Canvas.DrawString("*", font3, PdfBrushes.Red, flagX, flagY);
}
return(y + height);
}
private float DrawFormField(XPathNavigator fieldNode, PdfForm form, PdfPageBase page, float y, int fieldIndex)
{
float width = page.Canvas.ClientSize.Width;
float padding = 2;
//measure field label
String label = fieldNode.GetAttribute("label", "");
PdfTrueTypeFont font1 = new PdfTrueTypeFont(new Font("Arial", 9f));
PdfStringFormat format = new PdfStringFormat(PdfTextAlignment.Right, PdfVerticalAlignment.Middle);
float labelMaxWidth = width * 0.4f - 2 * padding;
SizeF labelSize = font1.MeasureString(label, labelMaxWidth, format);
//measure field height
float fieldHeight = MeasureFieldHeight(fieldNode);
float height = labelSize.Height > fieldHeight ? labelSize.Height : fieldHeight;
height = height + 2;
//draw background
PdfBrush brush = PdfBrushes.SteelBlue;
if (fieldIndex % 2 == 1)
{
brush = PdfBrushes.LightGreen;
}
page.Canvas.DrawRectangle(brush, 0, y, width, height);
//draw field label
PdfBrush brush1 = PdfBrushes.LightYellow;
RectangleF labelBounds = new RectangleF(padding, y, labelMaxWidth, height);
page.Canvas.DrawString(label, font1, brush1, labelBounds, format);
//daw field
float fieldMaxWidth = width * 0.57f - 2 * padding;
float fieldX = labelBounds.Right + 2 * padding;
float fieldY = y + (height - fieldHeight) / 2;
String fieldType = fieldNode.GetAttribute("type", "");
String fieldId = fieldNode.GetAttribute("id", "");
bool required = "true" == fieldNode.GetAttribute("required", "");
switch (fieldType)
{
case "text":
case "password":
PdfTextBoxField textField = new PdfTextBoxField(page, fieldId);
textField.Bounds = new RectangleF(fieldX, fieldY, fieldMaxWidth, fieldHeight);
textField.BorderWidth = 0.75f;
textField.BorderStyle = PdfBorderStyle.Solid;
textField.Required = required;
if ("password" == fieldType)
{
textField.Password = true;
}
if ("true" == fieldNode.GetAttribute("multiple", ""))
{
textField.Multiline = true;
textField.Scrollable = true;
}
form.Fields.Add(textField);
break;
case "checkbox":
PdfCheckBoxField checkboxField = new PdfCheckBoxField(page, fieldId);
float checkboxWidth = fieldHeight - 2 * padding;
float checkboxHeight = checkboxWidth;
checkboxField.Bounds = new RectangleF(fieldX, fieldY + padding, checkboxWidth, checkboxHeight);
checkboxField.BorderWidth = 0.75f;
checkboxField.Style = PdfCheckBoxStyle.Cross;
checkboxField.Required = required;
form.Fields.Add(checkboxField);
break;
case "list":
XPathNodeIterator itemNodes = fieldNode.Select("item");
if ("true" == fieldNode.GetAttribute("multiple", ""))
{
PdfListBoxField listBoxField = new PdfListBoxField(page, fieldId);
listBoxField.Bounds = new RectangleF(fieldX, fieldY, fieldMaxWidth, fieldHeight);
listBoxField.BorderWidth = 0.75f;
listBoxField.MultiSelect = true;
listBoxField.Font = new PdfFont(PdfFontFamily.Helvetica, 9f);
listBoxField.Required = required;
//add items into list box.
foreach (XPathNavigator itemNode in itemNodes)
{
String text = itemNode.SelectSingleNode("text()").Value;
listBoxField.Items.Add(new PdfListFieldItem(text, text));
}
listBoxField.SelectedIndex = 0;
form.Fields.Add(listBoxField);
break;
}
if (itemNodes != null && itemNodes.Count <= 3)
{
PdfRadioButtonListField radioButtonListFile
= new PdfRadioButtonListField(page, fieldId);
radioButtonListFile.Required = required;
//add items into radio button list.
float fieldItemHeight = fieldHeight / itemNodes.Count;
float radioButtonWidth = fieldItemHeight - 2 * padding;
float radioButtonHeight = radioButtonWidth;
foreach (XPathNavigator itemNode in itemNodes)
{
String text = itemNode.SelectSingleNode("text()").Value;
PdfRadioButtonListItem fieldItem = new PdfRadioButtonListItem(text);
fieldItem.BorderWidth = 0.75f;
fieldItem.Bounds = new RectangleF(fieldX, fieldY + padding, radioButtonWidth, radioButtonHeight);
radioButtonListFile.Items.Add(fieldItem);
float fieldItemLabelX = fieldX + radioButtonWidth + padding;
SizeF fieldItemLabelSize = font1.MeasureString(text);
float fieldItemLabelY = fieldY + (fieldItemHeight - fieldItemLabelSize.Height) / 2;
page.Canvas.DrawString(text, font1, brush1, fieldItemLabelX, fieldItemLabelY);
fieldY = fieldY + fieldItemHeight;
}
form.Fields.Add(radioButtonListFile);
break;
}
//combo box
PdfComboBoxField comboBoxField = new PdfComboBoxField(page, fieldId);
comboBoxField.Bounds = new RectangleF(fieldX, fieldY, fieldMaxWidth, fieldHeight);
comboBoxField.BorderWidth = 0.75f;
comboBoxField.Font = new PdfFont(PdfFontFamily.Helvetica, 9f);
comboBoxField.Required = required;
//add items into combo box.
foreach (XPathNavigator itemNode in itemNodes)
{
String text = itemNode.SelectSingleNode("text()").Value;
comboBoxField.Items.Add(new PdfListFieldItem(text, text));
}
form.Fields.Add(comboBoxField);
break;
}
if (required)
{
//draw *
float flagX = width * 0.97f + padding;
PdfTrueTypeFont font3 = new PdfTrueTypeFont(new Font("Arial", 10f, FontStyle.Bold));
SizeF size = font3.MeasureString("*");
float flagY = y + (height - size.Height) / 2;
page.Canvas.DrawString("*", font3, PdfBrushes.Red, flagX, flagY);
}
return y + height;
}
