mirror of
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90 lines
2.8 KiB
Go
90 lines
2.8 KiB
Go
// Copyright 2017 Baliance. 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 by contacting sales@baliance.com.
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package spreadsheet
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import (
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"baliance.com/gooxml"
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dml "baliance.com/gooxml/schema/schemas.openxmlformats.org/drawingml"
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c "baliance.com/gooxml/schema/schemas.openxmlformats.org/drawingml/2006/chart"
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crt "baliance.com/gooxml/schema/schemas.openxmlformats.org/drawingml/2006/chart"
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sd "baliance.com/gooxml/schema/schemas.openxmlformats.org/drawingml/2006/spreadsheetDrawing"
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)
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type Drawing struct {
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wb *Workbook
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x *sd.WsDr
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}
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// X returns the inner wrapped XML type.
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func (d Drawing) X() *sd.WsDr {
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return d.x
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}
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func (d Drawing) AddChart() Chart {
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chart := crt.NewChartSpace()
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d.wb.charts = append(d.wb.charts, chart)
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fn := gooxml.AbsoluteFilename(gooxml.DocTypeSpreadsheet, gooxml.ChartContentType, len(d.wb.charts))
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d.wb.ContentTypes.AddOverride(fn, gooxml.ChartContentType)
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var chartID string
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// add relationship from drawing to the chart
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for i, dr := range d.wb.drawings {
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if dr == d.x {
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fn := gooxml.RelativeFilename(gooxml.DocTypeSpreadsheet, gooxml.ChartType, len(d.wb.charts))
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rel := d.wb.drawingRels[i].AddRelationship(fn, gooxml.ChartType)
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chartID = rel.ID()
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break
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}
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}
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// maybe use a one cell anchor?
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d.x.TwoCellAnchor = sd.NewCT_TwoCellAnchor()
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d.x.TwoCellAnchor.EditAsAttr = sd.ST_EditAsOneCell
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// provide a default size so its visible, if from/to are both 0,0 then the
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// chart won't show up.
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d.x.TwoCellAnchor.From.Col = 5
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d.x.TwoCellAnchor.From.Row = 0
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d.x.TwoCellAnchor.To.Col = 10
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d.x.TwoCellAnchor.To.Row = 20
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d.x.TwoCellAnchor.Choice = &sd.EG_ObjectChoicesChoice{}
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d.x.TwoCellAnchor.Choice.GraphicFrame = sd.NewCT_GraphicalObjectFrame()
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d.x.TwoCellAnchor.Choice.GraphicFrame.Graphic = dml.NewGraphic()
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d.x.TwoCellAnchor.Choice.GraphicFrame.Graphic.GraphicData.UriAttr = "http://schemas.openxmlformats.org/drawingml/2006/chart"
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c := c.NewChart()
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c.IdAttr = chartID
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d.x.TwoCellAnchor.Choice.GraphicFrame.Graphic.GraphicData.Any = []gooxml.Any{c}
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return Chart{chart}
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}
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// TopLeft allows manipulating the top left position of the drawing.
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func (d Drawing) TopLeft() CellMarker {
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if d.x.TwoCellAnchor != nil {
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return CellMarker{d.x.TwoCellAnchor.From}
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}
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if d.x.OneCellAnchor != nil {
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return CellMarker{d.x.OneCellAnchor.From}
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}
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// this will crash if used...
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return CellMarker{}
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}
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// BottomRight allows manipulating the bottom right position of the drawing.
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func (d Drawing) BottomRight() CellMarker {
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if d.x.TwoCellAnchor != nil {
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return CellMarker{d.x.TwoCellAnchor.To}
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}
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// this will crash if used...
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return CellMarker{}
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}
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