abstractcategoryitemrenderer.html

jfreechart1。0。2的api。

<FONT color="green">421</FONT>         * {@link org.jfree.chart.event.RendererChangeEvent} to all registered <a name="line.421"></a>
<FONT color="green">422</FONT>         * listeners.<a name="line.422"></a>
<FONT color="green">423</FONT>         *<a name="line.423"></a>
<FONT color="green">424</FONT>         * @param generator  the generator (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.424"></a>
<FONT color="green">425</FONT>         */<a name="line.425"></a>
<FONT color="green">426</FONT>        public void setBaseToolTipGenerator(CategoryToolTipGenerator generator) {<a name="line.426"></a>
<FONT color="green">427</FONT>            this.baseToolTipGenerator = generator;<a name="line.427"></a>
<FONT color="green">428</FONT>            notifyListeners(new RendererChangeEvent(this));<a name="line.428"></a>
<FONT color="green">429</FONT>        }<a name="line.429"></a>
<FONT color="green">430</FONT>    <a name="line.430"></a>
<FONT color="green">431</FONT>        // URL GENERATOR<a name="line.431"></a>
<FONT color="green">432</FONT>        <a name="line.432"></a>
<FONT color="green">433</FONT>        /**<a name="line.433"></a>
<FONT color="green">434</FONT>         * Returns the URL generator for a data item.  This method just calls the<a name="line.434"></a>
<FONT color="green">435</FONT>         * getSeriesItemURLGenerator method, but you can override this behaviour if<a name="line.435"></a>
<FONT color="green">436</FONT>         * you want to.<a name="line.436"></a>
<FONT color="green">437</FONT>         *<a name="line.437"></a>
<FONT color="green">438</FONT>         * @param row  the row index (zero based).<a name="line.438"></a>
<FONT color="green">439</FONT>         * @param column  the column index (zero based).<a name="line.439"></a>
<FONT color="green">440</FONT>         *<a name="line.440"></a>
<FONT color="green">441</FONT>         * @return The URL generator.<a name="line.441"></a>
<FONT color="green">442</FONT>         */<a name="line.442"></a>
<FONT color="green">443</FONT>        public CategoryURLGenerator getItemURLGenerator(int row, int column) {<a name="line.443"></a>
<FONT color="green">444</FONT>            return getSeriesItemURLGenerator(row);<a name="line.444"></a>
<FONT color="green">445</FONT>        }<a name="line.445"></a>
<FONT color="green">446</FONT>    <a name="line.446"></a>
<FONT color="green">447</FONT>        /**<a name="line.447"></a>
<FONT color="green">448</FONT>         * Returns the URL generator for a series.<a name="line.448"></a>
<FONT color="green">449</FONT>         *<a name="line.449"></a>
<FONT color="green">450</FONT>         * @param series  the series index (zero based).<a name="line.450"></a>
<FONT color="green">451</FONT>         *<a name="line.451"></a>
<FONT color="green">452</FONT>         * @return The URL generator for the series.<a name="line.452"></a>
<FONT color="green">453</FONT>         */<a name="line.453"></a>
<FONT color="green">454</FONT>        public CategoryURLGenerator getSeriesItemURLGenerator(int series) {<a name="line.454"></a>
<FONT color="green">455</FONT>    <a name="line.455"></a>
<FONT color="green">456</FONT>            // return the generator for ALL series, if there is one...<a name="line.456"></a>
<FONT color="green">457</FONT>            if (this.itemURLGenerator != null) {<a name="line.457"></a>
<FONT color="green">458</FONT>                return this.itemURLGenerator;<a name="line.458"></a>
<FONT color="green">459</FONT>            }<a name="line.459"></a>
<FONT color="green">460</FONT>    <a name="line.460"></a>
<FONT color="green">461</FONT>            // otherwise look up the generator table<a name="line.461"></a>
<FONT color="green">462</FONT>            CategoryURLGenerator generator<a name="line.462"></a>
<FONT color="green">463</FONT>                = (CategoryURLGenerator) this.itemURLGeneratorList.get(series);<a name="line.463"></a>
<FONT color="green">464</FONT>            if (generator == null) {<a name="line.464"></a>
<FONT color="green">465</FONT>                generator = this.baseItemURLGenerator;<a name="line.465"></a>
<FONT color="green">466</FONT>            }<a name="line.466"></a>
<FONT color="green">467</FONT>            return generator;<a name="line.467"></a>
<FONT color="green">468</FONT>    <a name="line.468"></a>
<FONT color="green">469</FONT>        }<a name="line.469"></a>
<FONT color="green">470</FONT>    <a name="line.470"></a>
<FONT color="green">471</FONT>        /**<a name="line.471"></a>
<FONT color="green">472</FONT>         * Sets the item URL generator for ALL series.<a name="line.472"></a>
<FONT color="green">473</FONT>         *<a name="line.473"></a>
<FONT color="green">474</FONT>         * @param generator  the generator.<a name="line.474"></a>
<FONT color="green">475</FONT>         */<a name="line.475"></a>
<FONT color="green">476</FONT>        public void setItemURLGenerator(CategoryURLGenerator generator) {<a name="line.476"></a>
<FONT color="green">477</FONT>            this.itemURLGenerator = generator;<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>        /**<a name="line.480"></a>
<FONT color="green">481</FONT>         * Sets the URL generator for a series.<a name="line.481"></a>
<FONT color="green">482</FONT>         *<a name="line.482"></a>
<FONT color="green">483</FONT>         * @param series  the series index (zero based).<a name="line.483"></a>
<FONT color="green">484</FONT>         * @param generator  the generator.<a name="line.484"></a>
<FONT color="green">485</FONT>         */<a name="line.485"></a>
<FONT color="green">486</FONT>        public void setSeriesItemURLGenerator(int series, <a name="line.486"></a>
<FONT color="green">487</FONT>                                              CategoryURLGenerator generator) {<a name="line.487"></a>
<FONT color="green">488</FONT>            this.itemURLGeneratorList.set(series, generator);<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>        /**<a name="line.491"></a>
<FONT color="green">492</FONT>         * Returns the base item URL generator.<a name="line.492"></a>
<FONT color="green">493</FONT>         *<a name="line.493"></a>
<FONT color="green">494</FONT>         * @return The item URL generator.<a name="line.494"></a>
<FONT color="green">495</FONT>         */<a name="line.495"></a>
<FONT color="green">496</FONT>        public CategoryURLGenerator getBaseItemURLGenerator() {<a name="line.496"></a>
<FONT color="green">497</FONT>            return this.baseItemURLGenerator;<a name="line.497"></a>
<FONT color="green">498</FONT>        }<a name="line.498"></a>
<FONT color="green">499</FONT>    <a name="line.499"></a>
<FONT color="green">500</FONT>        /**<a name="line.500"></a>
<FONT color="green">501</FONT>         * Sets the base item URL generator.<a name="line.501"></a>
<FONT color="green">502</FONT>         *<a name="line.502"></a>
<FONT color="green">503</FONT>         * @param generator  the item URL generator.<a name="line.503"></a>
<FONT color="green">504</FONT>         */<a name="line.504"></a>
<FONT color="green">505</FONT>        public void setBaseItemURLGenerator(CategoryURLGenerator generator) {<a name="line.505"></a>
<FONT color="green">506</FONT>            this.baseItemURLGenerator = generator;<a name="line.506"></a>
<FONT color="green">507</FONT>        }<a name="line.507"></a>
<FONT color="green">508</FONT>    <a name="line.508"></a>
<FONT color="green">509</FONT>        /**<a name="line.509"></a>
<FONT color="green">510</FONT>         * Returns the number of rows in the dataset.  This value is updated in the<a name="line.510"></a>
<FONT color="green">511</FONT>         * {@link AbstractCategoryItemRenderer#initialise} method.<a name="line.511"></a>
<FONT color="green">512</FONT>         *<a name="line.512"></a>
<FONT color="green">513</FONT>         * @return The row count.<a name="line.513"></a>
<FONT color="green">514</FONT>         */<a name="line.514"></a>
<FONT color="green">515</FONT>        public int getRowCount() {<a name="line.515"></a>
<FONT color="green">516</FONT>            return this.rowCount;<a name="line.516"></a>
<FONT color="green">517</FONT>        }<a name="line.517"></a>
<FONT color="green">518</FONT>    <a name="line.518"></a>
<FONT color="green">519</FONT>        /**<a name="line.519"></a>
<FONT color="green">520</FONT>         * Returns the number of columns in the dataset.  This value is updated in <a name="line.520"></a>
<FONT color="green">521</FONT>         * the {@link AbstractCategoryItemRenderer#initialise} method.<a name="line.521"></a>
<FONT color="green">522</FONT>         *<a name="line.522"></a>
<FONT color="green">523</FONT>         * @return The column count.<a name="line.523"></a>
<FONT color="green">524</FONT>         */<a name="line.524"></a>
<FONT color="green">525</FONT>        public int getColumnCount() {<a name="line.525"></a>
<FONT color="green">526</FONT>            return this.columnCount;<a name="line.526"></a>
<FONT color="green">527</FONT>        }<a name="line.527"></a>
<FONT color="green">528</FONT>    <a name="line.528"></a>
<FONT color="green">529</FONT>        /**<a name="line.529"></a>
<FONT color="green">530</FONT>         * Initialises the renderer and returns a state object that will be used <a name="line.530"></a>
<FONT color="green">531</FONT>         * for the remainder of the drawing process for a single chart.  The state <a name="line.531"></a>
<FONT color="green">532</FONT>         * object allows for the fact that the renderer may be used simultaneously <a name="line.532"></a>
<FONT color="green">533</FONT>         * by multiple threads (each thread will work with a separate state object).<a name="line.533"></a>
<FONT color="green">534</FONT>         * &lt;P&gt;<a name="line.534"></a>
<FONT color="green">535</FONT>         * Stores a reference to the {@link PlotRenderingInfo} object (which might <a name="line.535"></a>
<FONT color="green">536</FONT>         * be &lt;code&gt;null&lt;/code&gt;), and then sets the useCategoriesPaint flag <a name="line.536"></a>
<FONT color="green">537</FONT>         * according to the special case conditions a) there is only one series <a name="line.537"></a>
<FONT color="green">538</FONT>         * and b) the categoriesPaint array is not null.<a name="line.538"></a>
<FONT color="green">539</FONT>         *<a name="line.539"></a>
<FONT color="green">540</FONT>         * @param g2  the graphics device.<a name="line.540"></a>
<FONT color="green">541</FONT>         * @param dataArea  the data area.<a name="line.541"></a>
<FONT color="green">542</FONT>         * @param plot  the plot.<a name="line.542"></a>
<FONT color="green">543</FONT>         * @param rendererIndex  the renderer index.<a name="line.543"></a>
<FONT color="green">544</FONT>         * @param info  an object for returning information about the structure of <a name="line.544"></a>
<FONT color="green">545</FONT>         *              the plot (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.545"></a>
<FONT color="green">546</FONT>         * <a name="line.546"></a>
<FONT color="green">547</FONT>         * @return The renderer state.<a name="line.547"></a>
<FONT color="green">548</FONT>         *<a name="line.548"></a>
<FONT color="green">549</FONT>         */<a name="line.549"></a>
<FONT color="green">550</FONT>        public CategoryItemRendererState initialise(Graphics2D g2, <a name="line.550"></a>
<FONT color="green">551</FONT>                                                    Rectangle2D dataArea,<a name="line.551"></a>
<FONT color="green">552</FONT>                                                    CategoryPlot plot, <a name="line.552"></a>
<FONT color="green">553</FONT>                                                    int rendererIndex,<a name="line.553"></a>
<FONT color="green">554</FONT>                                                    PlotRenderingInfo info) {<a name="line.554"></a>
<FONT color="green">555</FONT>    <a name="line.555"></a>
<FONT color="green">556</FONT>            setPlot(plot);<a name="line.556"></a>
<FONT color="green">557</FONT>            CategoryDataset data = plot.getDataset(rendererIndex);<a name="line.557"></a>
<FONT color="green">558</FONT>            if (data != null) {<a name="line.558"></a>
<FONT color="green">559</FONT>                this.rowCount = data.getRowCount();<a name="line.559"></a>
<FONT color="green">560</FONT>                this.columnCount = data.getColumnCount();<a name="line.560"></a>
<FONT color="green">561</FONT>            }<a name="line.561"></a>