📄 legendtitle.html
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<FONT color="green">332</FONT> this.itemFont = font;<a name="line.332"></a><FONT color="green">333</FONT> notifyListeners(new TitleChangeEvent(this));<a name="line.333"></a><FONT color="green">334</FONT> }<a name="line.334"></a><FONT color="green">335</FONT> <a name="line.335"></a><FONT color="green">336</FONT> /**<a name="line.336"></a><FONT color="green">337</FONT> * Returns the item paint.<a name="line.337"></a><FONT color="green">338</FONT> *<a name="line.338"></a><FONT color="green">339</FONT> * @return The paint (never <code>null</code>).<a name="line.339"></a><FONT color="green">340</FONT> */<a name="line.340"></a><FONT color="green">341</FONT> public Paint getItemPaint() {<a name="line.341"></a><FONT color="green">342</FONT> return this.itemPaint; <a name="line.342"></a><FONT color="green">343</FONT> }<a name="line.343"></a><FONT color="green">344</FONT> <a name="line.344"></a><FONT color="green">345</FONT> /**<a name="line.345"></a><FONT color="green">346</FONT> * Sets the item paint.<a name="line.346"></a><FONT color="green">347</FONT> *<a name="line.347"></a><FONT color="green">348</FONT> * @param paint the paint (<code>null</code> not permitted).<a name="line.348"></a><FONT color="green">349</FONT> */<a name="line.349"></a><FONT color="green">350</FONT> public void setItemPaint(Paint paint) {<a name="line.350"></a><FONT color="green">351</FONT> if (paint == null) {<a name="line.351"></a><FONT color="green">352</FONT> throw new IllegalArgumentException("Null 'paint' argument."); <a name="line.352"></a><FONT color="green">353</FONT> }<a name="line.353"></a><FONT color="green">354</FONT> this.itemPaint = paint;<a name="line.354"></a><FONT color="green">355</FONT> notifyListeners(new TitleChangeEvent(this));<a name="line.355"></a><FONT color="green">356</FONT> }<a name="line.356"></a><FONT color="green">357</FONT> <a name="line.357"></a><FONT color="green">358</FONT> /**<a name="line.358"></a><FONT color="green">359</FONT> * Returns the padding used for the items labels.<a name="line.359"></a><FONT color="green">360</FONT> * <a name="line.360"></a><FONT color="green">361</FONT> * @return The padding (never <code>null</code>).<a name="line.361"></a><FONT color="green">362</FONT> */<a name="line.362"></a><FONT color="green">363</FONT> public RectangleInsets getItemLabelPadding() {<a name="line.363"></a><FONT color="green">364</FONT> return this.itemLabelPadding; <a name="line.364"></a><FONT color="green">365</FONT> }<a name="line.365"></a><FONT color="green">366</FONT> <a name="line.366"></a><FONT color="green">367</FONT> /**<a name="line.367"></a><FONT color="green">368</FONT> * Sets the padding used for the item labels in the legend.<a name="line.368"></a><FONT color="green">369</FONT> * <a name="line.369"></a><FONT color="green">370</FONT> * @param padding the padding (<code>null</code> not permitted).<a name="line.370"></a><FONT color="green">371</FONT> */<a name="line.371"></a><FONT color="green">372</FONT> public void setItemLabelPadding(RectangleInsets padding) {<a name="line.372"></a><FONT color="green">373</FONT> if (padding == null) {<a name="line.373"></a><FONT color="green">374</FONT> throw new IllegalArgumentException("Null 'padding' argument."); <a name="line.374"></a><FONT color="green">375</FONT> }<a name="line.375"></a><FONT color="green">376</FONT> this.itemLabelPadding = padding;<a name="line.376"></a><FONT color="green">377</FONT> notifyListeners(new TitleChangeEvent(this));<a name="line.377"></a><FONT color="green">378</FONT> }<a name="line.378"></a><FONT color="green">379</FONT> <a name="line.379"></a><FONT color="green">380</FONT> /**<a name="line.380"></a><FONT color="green">381</FONT> * Fetches the latest legend items.<a name="line.381"></a><FONT color="green">382</FONT> */<a name="line.382"></a><FONT color="green">383</FONT> protected void fetchLegendItems() {<a name="line.383"></a><FONT color="green">384</FONT> this.items.clear();<a name="line.384"></a><FONT color="green">385</FONT> RectangleEdge p = getPosition();<a name="line.385"></a><FONT color="green">386</FONT> if (RectangleEdge.isTopOrBottom(p)) {<a name="line.386"></a><FONT color="green">387</FONT> this.items.setArrangement(this.hLayout); <a name="line.387"></a><FONT color="green">388</FONT> }<a name="line.388"></a><FONT color="green">389</FONT> else {<a name="line.389"></a><FONT color="green">390</FONT> this.items.setArrangement(this.vLayout); <a name="line.390"></a><FONT color="green">391</FONT> }<a name="line.391"></a><FONT color="green">392</FONT> for (int s = 0; s < this.sources.length; s++) {<a name="line.392"></a><FONT color="green">393</FONT> LegendItemCollection legendItems = this.sources[s].getLegendItems();<a name="line.393"></a><FONT color="green">394</FONT> if (legendItems != null) {<a name="line.394"></a><FONT color="green">395</FONT> for (int i = 0; i < legendItems.getItemCount(); i++) {<a name="line.395"></a><FONT color="green">396</FONT> LegendItem item = legendItems.get(i);<a name="line.396"></a><FONT color="green">397</FONT> Block block = createLegendItemBlock(item);<a name="line.397"></a><FONT color="green">398</FONT> this.items.add(block);<a name="line.398"></a><FONT color="green">399</FONT> }<a name="line.399"></a><FONT color="green">400</FONT> }<a name="line.400"></a><FONT color="green">401</FONT> }<a name="line.401"></a><FONT color="green">402</FONT> }<a name="line.402"></a><FONT color="green">403</FONT> <a name="line.403"></a><FONT color="green">404</FONT> /**<a name="line.404"></a><FONT color="green">405</FONT> * Creates a legend item block.<a name="line.405"></a><FONT color="green">406</FONT> * <a name="line.406"></a><FONT color="green">407</FONT> * @param item the legend item.<a name="line.407"></a><FONT color="green">408</FONT> * <a name="line.408"></a><FONT color="green">409</FONT> * @return The block.<a name="line.409"></a><FONT color="green">410</FONT> */<a name="line.410"></a><FONT color="green">411</FONT> protected Block createLegendItemBlock(LegendItem item) {<a name="line.411"></a><FONT color="green">412</FONT> BlockContainer result = null;<a name="line.412"></a><FONT color="green">413</FONT> LegendGraphic lg = new LegendGraphic(item.getShape(), <a name="line.413"></a><FONT color="green">414</FONT> item.getFillPaint());<a name="line.414"></a><FONT color="green">415</FONT> lg.setShapeFilled(item.isShapeFilled());<a name="line.415"></a><FONT color="green">416</FONT> lg.setLine(item.getLine());<a name="line.416"></a><FONT color="green">417</FONT> lg.setLineStroke(item.getLineStroke());<a name="line.417"></a><FONT color="green">418</FONT> lg.setLinePaint(item.getLinePaint());<a name="line.418"></a><FONT color="green">419</FONT> lg.setLineVisible(item.isLineVisible());<a name="line.419"></a><FONT color="green">420</FONT> lg.setShapeVisible(item.isShapeVisible());<a name="line.420"></a><FONT color="green">421</FONT> lg.setShapeOutlineVisible(item.isShapeOutlineVisible());<a name="line.421"></a><FONT color="green">422</FONT> lg.setOutlinePaint(item.getOutlinePaint());<a name="line.422"></a><FONT color="green">423</FONT> lg.setOutlineStroke(item.getOutlineStroke());<a name="line.423"></a><FONT color="green">424</FONT> lg.setPadding(this.legendItemGraphicPadding);<a name="line.424"></a><FONT color="green">425</FONT> <a name="line.425"></a><FONT color="green">426</FONT> LegendItemBlockContainer legendItem = new LegendItemBlockContainer(<a name="line.426"></a><FONT color="green">427</FONT> new BorderArrangement(), item.getDatasetIndex(), <a name="line.427"></a><FONT color="green">428</FONT> item.getSeriesIndex());<a name="line.428"></a><FONT color="green">429</FONT> lg.setShapeAnchor(getLegendItemGraphicAnchor());<a name="line.429"></a><FONT color="green">430</FONT> lg.setShapeLocation(getLegendItemGraphicLocation());<a name="line.430"></a><FONT color="green">431</FONT> legendItem.add(lg, this.legendItemGraphicEdge);<a name="line.431"></a><FONT color="green">432</FONT> LabelBlock labelBlock = new LabelBlock(item.getLabel(), this.itemFont, <a name="line.432"></a><FONT color="green">433</FONT> this.itemPaint);<a name="line.433"></a><FONT color="green">434</FONT> labelBlock.setPadding(this.itemLabelPadding);<a name="line.434"></a><FONT color="green">435</FONT> labelBlock.setToolTipText(item.getToolTipText());<a name="line.435"></a><FONT color="green">436</FONT> legendItem.add(labelBlock);<a name="line.436"></a><FONT color="green">437</FONT> <a name="line.437"></a><FONT color="green">438</FONT> result = new BlockContainer(new CenterArrangement());<a name="line.438"></a><FONT color="green">439</FONT> result.add(legendItem);<a name="line.439"></a><FONT color="green">440</FONT> <a name="line.440"></a><FONT color="green">441</FONT> return result;<a name="line.441"></a><FONT color="green">442</FONT> }<a name="line.442"></a><FONT color="green">443</FONT> <a name="line.443"></a><FONT color="green">444</FONT> /**<a name="line.444"></a><FONT color="green">445</FONT> * Returns the container that holds the legend items.<a name="line.445"></a><FONT color="green">446</FONT> * <a name="line.446"></a><FONT color="green">447</FONT> * @return The container for the legend items.<a name="line.447"></a><FONT color="green">448</FONT> */<a name="line.448"></a><FONT color="green">449</FONT> public BlockContainer getItemContainer() {<a name="line.449"></a><FONT color="green">450</FONT> return this.items;<a name="line.450"></a><FONT color="green">451</FONT> }<a name="line.451"></a><FONT color="green">452</FONT> <a name="line.452"></a><FONT color="green">453</FONT> /**<a name="line.453"></a><FONT color="green">454</FONT> * Arranges the contents of the block, within the given constraints, and <a name="line.454"></a><FONT color="green">455</FONT> * returns the block size.<a name="line.455"></a><FONT color="green">456</FONT> * <a name="line.456"></a><FONT color="green">457</FONT> * @param g2 the graphics device.<a name="line.457"></a><FONT color="green">458</FONT> * @param constraint the constraint (<code>null</code> not permitted).<a name="line.458"></a><FONT color="green">459</FONT> * <a name="line.459"></a><FONT color="green">460</FONT> * @return The block size (in Java2D units, never <code>null</code>).<a name="line.460"></a><FONT color="green">461</FONT> */<a name="line.461"></a><FONT color="green">462</FONT> public Size2D arrange(Graphics2D g2, RectangleConstraint constraint) {<a name="line.462"></a><FONT color="green">463</FONT> Size2D result = new Size2D();<a name="line.463"></a><FONT color="green">464</FONT> fetchLegendItems();<a name="line.464"></a><FONT color="green">465</FONT> if (this.items.isEmpty()) {<a name="line.465"></a><FONT color="green">466</FONT> return result; <a name="line.466"></a><FONT color="green">467</FONT> }<a name="line.467"></a><FONT color="green">468</FONT> BlockContainer container = this.wrapper;<a name="line.468"></a><FONT color="green">469</FONT> if (container == null) {<a name="line.469"></a><FONT color="green">470</FONT> container = this.items;<a name="line.470"></a><FONT color="green">471</FONT> }<a name="line.471"></a><FONT color="green">472</FONT> RectangleConstraint c = toContentConstraint(constraint);<a name="line.472"></a><FONT color="green">473</FONT> Size2D size = container.arrange(g2, c);<a name="line.473"></a><FONT color="green">474</FONT> result.height = calculateTotalHeight(size.height);<a name="line.474"></a><FONT color="green">475</FONT> result.width = calculateTotalWidth(size.width);<a name="line.475"></a><FONT color="green">476</FONT> return result;<a name="line.476"></a><FONT color="green">477</FONT> }<a name="line.477"></a><FONT color="green">478</FONT> <a name="line.478"></a><FONT color="green">479</FONT> /**<a name="line.479"></a><FONT color="green">480</FONT> * Draws the title on a Java 2D graphics device (such as the screen or a<a name="line.480"></a><FONT color="green">481</FONT> * printer).<a name="line.481"></a><FONT color="green">482</FONT> *<a name="line.482"></a><FONT color="green">483</FONT> * @param g2 the graphics device.<a name="line.483"></a><FONT color="green">484</FONT> * @param area the available area for the title.<a name="line.484"></a><FONT color="green">485</FONT> */<a name="line.485"></a><FONT color="green">486</FONT> public void draw(Graphics2D g2, Rectangle2D area) {<a name="line.486"></a><FONT color="green">487</FONT> draw(g2, area, null);<a name="line.487"></a><FONT color="green">488</FONT> }<a name="line.488"></a><FONT color="green">489</FONT> <a name="line.489"></a><FONT color="green">490</FONT> /**<a name="line.490"></a><FONT color="green">491</FONT> * Draws the block within the specified area.<a name="line.491"></a><FONT color="green">492</FONT> * <a name="line.492"></a><FONT color="green">493</FONT> * @param g2 the graphics device.<a name="line.493"></a><FONT color="green">494</FONT> * @param area the area.<a name="line.494"></a><FONT color="green">495</FONT> * @param params ignored (<code>null</code> permitted).<a name="line.495"></a><FONT color="green">496</FONT> * <a name="line.496"></a><FONT color="green">497</FONT> * @return An {@link org.jfree.chart.block.EntityBlockResult} or <a name="line.497"></a><FONT color="green">498</FONT> * <code>null</code>.<a name="line.498"></a>⌨️ 快捷键说明
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