flowarrangement.html

jfreechart1。0。2的api。

<FONT color="green">342</FONT>                    constraint.getWidthRange().getUpperBound()<a name="line.342"></a>
<FONT color="green">343</FONT>                );<a name="line.343"></a>
<FONT color="green">344</FONT>                return arrangeFN(container, g2, c);<a name="line.344"></a>
<FONT color="green">345</FONT>            }<a name="line.345"></a>
<FONT color="green">346</FONT>        }<a name="line.346"></a>
<FONT color="green">347</FONT>        <a name="line.347"></a>
<FONT color="green">348</FONT>        /**<a name="line.348"></a>
<FONT color="green">349</FONT>         * Arranges the blocks without any constraints.  This puts all blocks<a name="line.349"></a>
<FONT color="green">350</FONT>         * into a single row.<a name="line.350"></a>
<FONT color="green">351</FONT>         * <a name="line.351"></a>
<FONT color="green">352</FONT>         * @param container  the container.<a name="line.352"></a>
<FONT color="green">353</FONT>         * @param g2  the graphics device.<a name="line.353"></a>
<FONT color="green">354</FONT>         * <a name="line.354"></a>
<FONT color="green">355</FONT>         * @return The size after the arrangement.<a name="line.355"></a>
<FONT color="green">356</FONT>         */<a name="line.356"></a>
<FONT color="green">357</FONT>        protected Size2D arrangeNN(BlockContainer container, Graphics2D g2) {<a name="line.357"></a>
<FONT color="green">358</FONT>            double x = 0.0;<a name="line.358"></a>
<FONT color="green">359</FONT>            double width = 0.0;<a name="line.359"></a>
<FONT color="green">360</FONT>            double maxHeight = 0.0;<a name="line.360"></a>
<FONT color="green">361</FONT>            List blocks = container.getBlocks();<a name="line.361"></a>
<FONT color="green">362</FONT>            int blockCount = blocks.size();<a name="line.362"></a>
<FONT color="green">363</FONT>            if (blockCount &gt; 0) {<a name="line.363"></a>
<FONT color="green">364</FONT>                Size2D[] sizes = new Size2D[blocks.size()];<a name="line.364"></a>
<FONT color="green">365</FONT>                for (int i = 0; i &lt; blocks.size(); i++) {<a name="line.365"></a>
<FONT color="green">366</FONT>                    Block block = (Block) blocks.get(i);<a name="line.366"></a>
<FONT color="green">367</FONT>                    sizes[i] = block.arrange(g2, RectangleConstraint.NONE);<a name="line.367"></a>
<FONT color="green">368</FONT>                    width = width + sizes[i].getWidth();<a name="line.368"></a>
<FONT color="green">369</FONT>                    maxHeight = Math.max(sizes[i].height, maxHeight);<a name="line.369"></a>
<FONT color="green">370</FONT>                    block.setBounds(<a name="line.370"></a>
<FONT color="green">371</FONT>                        new Rectangle2D.Double(<a name="line.371"></a>
<FONT color="green">372</FONT>                            x, 0.0, sizes[i].width, sizes[i].height<a name="line.372"></a>
<FONT color="green">373</FONT>                        )<a name="line.373"></a>
<FONT color="green">374</FONT>                    );<a name="line.374"></a>
<FONT color="green">375</FONT>                    x = x + sizes[i].width + this.horizontalGap;<a name="line.375"></a>
<FONT color="green">376</FONT>                }<a name="line.376"></a>
<FONT color="green">377</FONT>                if (blockCount &gt; 1) {<a name="line.377"></a>
<FONT color="green">378</FONT>                    width = width + this.horizontalGap * (blockCount - 1);   <a name="line.378"></a>
<FONT color="green">379</FONT>                }<a name="line.379"></a>
<FONT color="green">380</FONT>                if (this.verticalAlignment != VerticalAlignment.TOP) {<a name="line.380"></a>
<FONT color="green">381</FONT>                    for (int i = 0; i &lt; blocks.size(); i++) {<a name="line.381"></a>
<FONT color="green">382</FONT>                        //Block b = (Block) blocks.get(i);<a name="line.382"></a>
<FONT color="green">383</FONT>                        if (this.verticalAlignment == VerticalAlignment.CENTER) {<a name="line.383"></a>
<FONT color="green">384</FONT>                            //TODO: shift block down by half<a name="line.384"></a>
<FONT color="green">385</FONT>                        }<a name="line.385"></a>
<FONT color="green">386</FONT>                        else if (this.verticalAlignment <a name="line.386"></a>
<FONT color="green">387</FONT>                                == VerticalAlignment.BOTTOM) {<a name="line.387"></a>
<FONT color="green">388</FONT>                            //TODO: shift block down to bottom<a name="line.388"></a>
<FONT color="green">389</FONT>                        }<a name="line.389"></a>
<FONT color="green">390</FONT>                    }            <a name="line.390"></a>
<FONT color="green">391</FONT>                }<a name="line.391"></a>
<FONT color="green">392</FONT>            }<a name="line.392"></a>
<FONT color="green">393</FONT>            return new Size2D(width, maxHeight);<a name="line.393"></a>
<FONT color="green">394</FONT>        }<a name="line.394"></a>
<FONT color="green">395</FONT>        <a name="line.395"></a>
<FONT color="green">396</FONT>        /**<a name="line.396"></a>
<FONT color="green">397</FONT>         * Arranges the blocks with no width constraint and a fixed height <a name="line.397"></a>
<FONT color="green">398</FONT>         * constraint.  This puts all blocks into a single row.<a name="line.398"></a>
<FONT color="green">399</FONT>         * <a name="line.399"></a>
<FONT color="green">400</FONT>         * @param container  the container.<a name="line.400"></a>
<FONT color="green">401</FONT>         * @param constraint  the constraint.<a name="line.401"></a>
<FONT color="green">402</FONT>         * @param g2  the graphics device.<a name="line.402"></a>
<FONT color="green">403</FONT>         * <a name="line.403"></a>
<FONT color="green">404</FONT>         * @return The size after the arrangement.<a name="line.404"></a>
<FONT color="green">405</FONT>         */<a name="line.405"></a>
<FONT color="green">406</FONT>        protected Size2D arrangeNF(BlockContainer container, Graphics2D g2,<a name="line.406"></a>
<FONT color="green">407</FONT>                                   RectangleConstraint constraint) {<a name="line.407"></a>
<FONT color="green">408</FONT>            // TODO: for now we are ignoring the height constraint<a name="line.408"></a>
<FONT color="green">409</FONT>            return arrangeNN(container, g2);<a name="line.409"></a>
<FONT color="green">410</FONT>        }<a name="line.410"></a>
<FONT color="green">411</FONT>        <a name="line.411"></a>
<FONT color="green">412</FONT>        /**<a name="line.412"></a>
<FONT color="green">413</FONT>         * Clears any cached information.<a name="line.413"></a>
<FONT color="green">414</FONT>         */<a name="line.414"></a>
<FONT color="green">415</FONT>        public void clear() {<a name="line.415"></a>
<FONT color="green">416</FONT>            // no action required.<a name="line.416"></a>
<FONT color="green">417</FONT>        }<a name="line.417"></a>
<FONT color="green">418</FONT>        <a name="line.418"></a>
<FONT color="green">419</FONT>        /**<a name="line.419"></a>
<FONT color="green">420</FONT>         * Tests this instance for equality with an arbitrary object.<a name="line.420"></a>
<FONT color="green">421</FONT>         * <a name="line.421"></a>
<FONT color="green">422</FONT>         * @param obj  the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.422"></a>
<FONT color="green">423</FONT>         * <a name="line.423"></a>
<FONT color="green">424</FONT>         * @return A boolean.<a name="line.424"></a>
<FONT color="green">425</FONT>         */<a name="line.425"></a>
<FONT color="green">426</FONT>        public boolean equals(Object obj) {<a name="line.426"></a>
<FONT color="green">427</FONT>            if (obj == this) {<a name="line.427"></a>
<FONT color="green">428</FONT>                return true;   <a name="line.428"></a>
<FONT color="green">429</FONT>            }<a name="line.429"></a>
<FONT color="green">430</FONT>            if (!(obj instanceof FlowArrangement)) {<a name="line.430"></a>
<FONT color="green">431</FONT>                return false;   <a name="line.431"></a>
<FONT color="green">432</FONT>            }<a name="line.432"></a>
<FONT color="green">433</FONT>            FlowArrangement that = (FlowArrangement) obj;<a name="line.433"></a>
<FONT color="green">434</FONT>            if (this.horizontalAlignment != that.horizontalAlignment) {<a name="line.434"></a>
<FONT color="green">435</FONT>                return false;<a name="line.435"></a>
<FONT color="green">436</FONT>            }<a name="line.436"></a>
<FONT color="green">437</FONT>            if (this.verticalAlignment != that.verticalAlignment) {<a name="line.437"></a>
<FONT color="green">438</FONT>                return false;<a name="line.438"></a>
<FONT color="green">439</FONT>            }<a name="line.439"></a>
<FONT color="green">440</FONT>            if (this.horizontalGap != that.horizontalGap) {<a name="line.440"></a>
<FONT color="green">441</FONT>                return false;   <a name="line.441"></a>
<FONT color="green">442</FONT>            }<a name="line.442"></a>
<FONT color="green">443</FONT>            if (this.verticalGap != that.verticalGap) {<a name="line.443"></a>
<FONT color="green">444</FONT>                return false;   <a name="line.444"></a>
<FONT color="green">445</FONT>            }<a name="line.445"></a>
<FONT color="green">446</FONT>            return true;<a name="line.446"></a>
<FONT color="green">447</FONT>        }<a name="line.447"></a>
<FONT color="green">448</FONT>        <a name="line.448"></a>
<FONT color="green">449</FONT>    }<a name="line.449"></a>




























































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