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https://github.com/unidoc/unioffice.git
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2052cbb728
* PPT relationships, image fix * filenames fix * Custom properties fix * schema update * Table styles fix * Scale fix * path fix * New schema: cycle imports fix * xsdAny namespace duplicate fix * Images names fix * Images extensions fix * duplicate chart fix * chart empty attrs fix * Choice if fixed, scale is rolled back * comments * Rollback license info in schema files * import path fix * import path fix 2 * error with incorrect content types names fixed when deleting slides and then adding them again * template with image example * MustCompile replaced * imports fixed * slideIdx error fix
106 lines
3.1 KiB
Go
106 lines
3.1 KiB
Go
// Copyright 2017 FoxyUtils ehf. All rights reserved.
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//
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// Use of this source code is governed by the terms of the Affero GNU General
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// Public License version 3.0 as published by the Free Software Foundation and
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// appearing in the file LICENSE included in the packaging of this file. A
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// commercial license can be purchased on https://unidoc.io.
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package presentation
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import (
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"errors"
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"github.com/unidoc/unioffice"
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"github.com/unidoc/unioffice/drawing"
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"github.com/unidoc/unioffice/schema/soo/dml"
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"github.com/unidoc/unioffice/schema/soo/pml"
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)
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// PlaceHolder is a place holder from a slide.
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type PlaceHolder struct {
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x *pml.CT_Shape
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sld *pml.Sld
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}
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// X returns the inner wrapped XML type.
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func (s PlaceHolder) X() *pml.CT_Shape {
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return s.x
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}
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// Type returns the placeholder type
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func (s PlaceHolder) Type() pml.ST_PlaceholderType {
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return s.x.NvSpPr.NvPr.Ph.TypeAttr
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}
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// Index returns the placeholder index
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func (s PlaceHolder) Index() uint32 {
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if s.x.NvSpPr.NvPr.Ph.IdxAttr == nil {
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return 0
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}
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return *s.x.NvSpPr.NvPr.Ph.IdxAttr
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}
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// ClearAll completely clears a placeholder. To be useable, at least one
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// paragraph must be added after ClearAll via AddParagraph.
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func (s PlaceHolder) ClearAll() {
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s.x.SpPr = dml.NewCT_ShapeProperties()
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s.x.TxBody = dml.NewCT_TextBody()
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s.x.TxBody.LstStyle = dml.NewCT_TextListStyle()
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}
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// Clear clears the placeholder contents and adds a single empty paragraph. The
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// empty paragrah is required by PowerPoint or it will report the file as being
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// invalid.
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func (s PlaceHolder) Clear() {
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s.ClearAll()
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para := dml.NewCT_TextParagraph()
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s.x.TxBody.P = []*dml.CT_TextParagraph{para}
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para.EndParaRPr = dml.NewCT_TextCharacterProperties()
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para.EndParaRPr.LangAttr = unioffice.String("en-US")
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}
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// Remove removes a placeholder from a presentation.
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func (s PlaceHolder) Remove() error {
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for i, spChc := range s.sld.CSld.SpTree.Choice {
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for _, sp := range spChc.Sp {
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if sp == s.x {
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copy(s.sld.CSld.SpTree.Choice[i:], s.sld.CSld.SpTree.Choice[i+1:])
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s.sld.CSld.SpTree.Choice = s.sld.CSld.SpTree.Choice[0 : len(s.sld.CSld.SpTree.Choice)-1]
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return nil
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}
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}
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}
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return errors.New("placeholder not found in slide")
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}
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// SetText sets the text of a placeholder for the initial paragraph. This is a
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// shortcut method that is useful for things like titles which only contain a
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// single paragraph.
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func (s PlaceHolder) SetText(text string) {
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s.Clear()
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tr := dml.NewEG_TextRun()
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tr.R = dml.NewCT_RegularTextRun()
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tr.R.T = text
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if len(s.x.TxBody.P) == 0 {
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s.x.TxBody.P = append(s.x.TxBody.P, dml.NewCT_TextParagraph())
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}
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s.x.TxBody.P[0].EG_TextRun = nil
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s.x.TxBody.P[0].EG_TextRun = append(s.x.TxBody.P[0].EG_TextRun, tr)
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}
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// Paragraphs returns the paragraphs defined in the placeholder.
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func (s PlaceHolder) Paragraphs() []drawing.Paragraph {
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ret := []drawing.Paragraph{}
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for _, p := range s.x.TxBody.P {
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ret = append(ret, drawing.MakeParagraph(p))
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}
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return ret
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}
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// AddParagraph adds a new paragraph to a placeholder.
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func (s PlaceHolder) AddParagraph() drawing.Paragraph {
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p := drawing.MakeParagraph(dml.NewCT_TextParagraph())
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s.x.TxBody.P = append(s.x.TxBody.P, p.X())
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return p
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}
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