FieldDde class
FieldDde class
Implements the DDE field. To learn more, visit the Working with Fields documentation article.
Remarks
For information copied from another application, this field links that information to its original source file using DDE.
Constructors
Name | Description |
---|---|
FieldDde() | The default constructor. |
Properties
Name | Description |
---|---|
auto_update | Gets or sets whether to update this field automatically. |
display_result | Gets the text that represents the displayed field result. (Inherited from Field) |
end | Gets the node that represents the field end. (Inherited from Field) |
format | Gets a FieldFormat object that provides typed access to field’s formatting. (Inherited from Field) |
insert_as_bitmap | Gets or sets whether to insert the linked object as a bitmap. |
insert_as_html | Gets or sets whether to insert the linked object as HTML format text. |
insert_as_picture | Gets or sets whether to insert the linked object as a picture. |
insert_as_rtf | Gets or sets whether to insert the linked object in rich-text format (RTF). |
insert_as_text | Gets or sets whether to insert the linked object in text-only format. |
insert_as_unicode | Gets or sets whether to insert the linked object as Unicode text. |
is_dirty | Gets or sets whether the current result of the field is no longer correct (stale) due to other modifications made to the document. (Inherited from Field) |
is_linked | Gets or sets whether to reduce the file size by not storing graphics data with the document. |
is_locked | Gets or sets whether the field is locked (should not recalculate its result). (Inherited from Field) |
locale_id | Gets or sets the LCID of the field. (Inherited from Field) |
prog_id | Gets or sets the application type of the link information. |
result | Gets or sets text that is between the field separator and field end. (Inherited from Field) |
separator | Gets the node that represents the field separator. Can be None .(Inherited from Field) |
source_full_name | Gets or sets the name and location of the source file. |
source_item | Gets or sets the portion of the source file that’s being linked. |
start | Gets the node that represents the start of the field. (Inherited from Field) |
type | Gets the Microsoft Word field type. (Inherited from Field) |
Methods
Name | Description |
---|---|
get_field_code() | Returns text between field start and field separator (or field end if there is no separator). Both field code and field result of child fields are included. (Inherited from Field) |
get_field_code(include_child_field_codes) | Returns text between field start and field separator (or field end if there is no separator). (Inherited from Field) |
remove() | Removes the field from the document. Returns a node right after the field. If the field’s end is the last child of its parent node, returns its parent paragraph. If the field is already removed, returns None .(Inherited from Field) |
unlink() | Performs the field unlink. (Inherited from Field) |
update() | Performs the field update. Throws if the field is being updated already. (Inherited from Field) |
update(ignore_merge_format) | Performs a field update. Throws if the field is being updated already. (Inherited from Field) |
Examples
Shows how to use various field types to link to other documents in the local file system, and display their contents.
def field_linked_objects_as_text():
for insert_linked_object_as in (InsertLinkedObjectAs.TEXT, InsertLinkedObjectAs.UNICODE, InsertLinkedObjectAs.HTML, InsertLinkedObjectAs.RTF):
with self.subTest(insert_linked_object_as=insert_linked_object_as):
doc = aw.Document()
builder = aw.DocumentBuilder(doc)
# Below are three types of fields we can use to display contents from a linked document in the form of text.
# 1 - A LINK field:
builder.writeln('FieldLink:\n')
insert_field_link(builder, insert_linked_object_as, 'Word.document.8', MY_DIR + 'Document.docx', None, True)
# 2 - A DDE field:
builder.writeln('FieldDde:\n')
insert_field_fde(builder, insert_linked_object_as, 'Excel.Sheet', MY_DIR + 'Spreadsheet.xlsx', 'Sheet1!R1C1', True, True)
# 3 - A DDEAUTO field:
builder.writeln('FieldDdeAuto:\n')
insert_field_fde_auto(builder, insert_linked_object_as, 'Excel.Sheet', MY_DIR + 'Spreadsheet.xlsx', 'Sheet1!R1C1', True)
doc.update_fields()
doc.save(ARTIFACTS_DIR + 'Field.field_linked_objects_as_text.docx')
def field_linked_objects_as_image():
for insert_linked_object_as in (InsertLinkedObjectAs.PICTURE, InsertLinkedObjectAs.BITMAP):
with self.subTest(insert_linked_object_as=insert_linked_object_as):
doc = aw.Document()
builder = aw.DocumentBuilder(doc)
# Below are three types of fields we can use to display contents from a linked document in the form of an image.
# 1 - A LINK field:
builder.writeln('FieldLink:\n')
insert_field_link(builder, insert_linked_object_as, 'Excel.Sheet', MY_DIR + 'MySpreadsheet.xlsx', 'Sheet1!R2C2', True)
# 2 - A DDE field:
builder.writeln('FieldDde:\n')
insert_field_fde(builder, insert_linked_object_as, 'Excel.Sheet', MY_DIR + 'Spreadsheet.xlsx', 'Sheet1!R1C1', True, True)
# 3 - A DDEAUTO field:
builder.writeln('FieldDdeAuto:\n')
insert_field_fde_auto(builder, insert_linked_object_as, 'Excel.Sheet', MY_DIR + 'Spreadsheet.xlsx', 'Sheet1!R1C1', True)
doc.update_fields()
doc.save(ARTIFACTS_DIR + 'Field.field_linked_objects_as_image.docx')
def insert_field_link(builder: aw.DocumentBuilder, insert_linked_object_as: 'ExField.InsertLinkedObjectAs', prog_id: str, source_full_name: str, source_item: str, should_auto_update: bool):
"""ExField.InsertLinkedObjectAs.BITMAP"""
field = builder.insert_field(aw.fields.FieldType.FIELD_LINK, True).as_field_link()
if insert_linked_object_as == ExField.InsertLinkedObjectAs.TEXT:
field.insert_as_text = True
elif insert_linked_object_as == ExField.InsertLinkedObjectAs.UNICODE:
field.insert_as_unicode = True
elif insert_linked_object_as == ExField.InsertLinkedObjectAs.HTML:
field.insert_as_html = True
elif insert_linked_object_as == ExField.InsertLinkedObjectAs.RTF:
field.insert_as_rtf = True
elif insert_linked_object_as == ExField.InsertLinkedObjectAs.PICTURE:
field.insert_as_picture = True
elif insert_linked_object_as == ExField.InsertLinkedObjectAs.BITMAP:
field.insert_as_bitmap = True
field.auto_update = should_auto_update
field.prog_id = prog_id
field.source_full_name = source_full_name
field.source_item = source_item
builder.writeln('\n')
def insert_field_fde(builder: aw.DocumentBuilder, insert_linked_object_as: 'ExField.InsertLinkedObjectAs', prog_id: str, source_full_name: str, source_item: str, is_linked: bool, should_auto_update: bool):
"""Use a document builder to insert a DDE field, and set its properties according to parameters."""
field = builder.insert_field(aw.fields.FieldType.FIELD_DDE, True).as_field_dde()
if insert_linked_object_as == ExField.InsertLinkedObjectAs.TEXT:
field.insert_as_text = True
elif insert_linked_object_as == ExField.InsertLinkedObjectAs.UNICODE:
field.insert_as_unicode = True
elif insert_linked_object_as == ExField.InsertLinkedObjectAs.HTML:
field.insert_as_html = True
elif insert_linked_object_as == ExField.InsertLinkedObjectAs.RTF:
field.insert_as_rtf = True
elif insert_linked_object_as == ExField.InsertLinkedObjectAs.PICTURE:
field.insert_as_picture = True
elif insert_linked_object_as == ExField.InsertLinkedObjectAs.BITMAP:
field.insert_as_bitmap = True
field.auto_update = should_auto_update
field.prog_id = prog_id
field.source_full_name = source_full_name
field.source_item = source_item
field.is_linked = is_linked
builder.writeln('\n')
def insert_field_fde_auto(builder: aw.DocumentBuilder, insert_linked_object_as: 'ExField.InsertLinkedObjectAs', prog_id: str, source_full_name: str, source_item: str, is_linked: bool):
"""Use a document builder to insert a DDEAUTO, field and set its properties according to parameters."""
field = builder.insert_field(aw.fields.FieldType.FIELD_DDEAUTO, True).as_field_dde_auto()
if insert_linked_object_as == ExField.InsertLinkedObjectAs.TEXT:
field.insert_as_text = True
elif insert_linked_object_as == ExField.InsertLinkedObjectAs.UNICODE:
field.insert_as_unicode = True
elif insert_linked_object_as == ExField.InsertLinkedObjectAs.HTML:
field.insert_as_html = True
elif insert_linked_object_as == ExField.InsertLinkedObjectAs.RTF:
field.insert_as_rtf = True
elif insert_linked_object_as == ExField.InsertLinkedObjectAs.PICTURE:
field.insert_as_picture = True
elif insert_linked_object_as == ExField.InsertLinkedObjectAs.BITMAP:
field.insert_as_bitmap = True
field.prog_id = prog_id
field.source_full_name = source_full_name
field.source_item = source_item
field.is_linked = is_linked
class InsertLinkedObjectAs(Enum):
# LinkedObjectAsText
TEXT = 1
UNICODE = 2
HTML = 3
RTF = 4
# LinkedObjectAsImage
PICTURE = 5
BITMAP = 6
See Also
- module aspose.words.fields
- class Field