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| <meta name="description" content="declaration: module: org.apache.sis.gui, package: org.apache.sis.gui.map, class: ValuesUnderCursor, class: Formatter"> |
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| <div class="sub-title"><span class="module-label-in-type">Module</span> <a href="../../../../../module-summary.html">org.apache.sis.gui</a></div> |
| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.sis.gui.map</a></div> |
| <h1 title="Class ValuesUnderCursor.Formatter" class="title">Class ValuesUnderCursor.Formatter</h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a> |
| <div class="inheritance">Formatter</div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runnable.html" title="class or interface in java.lang" class="external-link">Runnable</a></code></dd> |
| </dl> |
| <dl class="notes"> |
| <dt>Enclosing class:</dt> |
| <dd><code><a href="ValuesUnderCursor.html" title="class in org.apache.sis.gui.map">ValuesUnderCursor</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">protected abstract static class </span><span class="element-name type-name-label">ValuesUnderCursor.Formatter</span> |
| <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a> |
| implements <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runnable.html" title="class or interface in java.lang" class="external-link">Runnable</a></span></div> |
| <div class="block">Task for fetching and formatting values in a background thread. |
| The background thread and the interaction with JavaFX thread are managed by the enclosing class. |
| The same <code>Formatter</code> instance can be reused as long as the source of data does not change. |
| |
| <p>As a rule of thumbs, all properties in <a href="ValuesUnderCursor.html" title="class in org.apache.sis.gui.map"><code>ValuesUnderCursor</code></a> class shall be read and written |
| from the JavaFX thread, while all properties in this <code>Formatter</code> class may be read and written |
| from any thread.</p></div> |
| <dl class="notes"> |
| <dt>Since:</dt> |
| <dd>1.3</dd> |
| </dl> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <li> |
| <section class="constructor-summary" id="constructor-summary"> |
| <h2>Constructor Summary</h2> |
| <div class="caption"><span>Constructors</span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier</div> |
| <div class="table-header col-second">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>protected </code></div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(org.apache.sis.gui.map.ValuesUnderCursor)" class="member-name-link">Formatter</a><wbr>(<a href="ValuesUnderCursor.html" title="class in org.apache.sis.gui.map">ValuesUnderCursor</a> owner)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Creates a new formatter instance.</div> |
| </div> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
| <div id="method-summary-table"> |
| <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab3" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab3', 3)" class="table-tab">Abstract Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div> |
| <div id="method-summary-table.tabpanel" role="tabpanel"> |
| <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>abstract <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#evaluate(org.opengis.geometry.DirectPosition)" class="member-name-link">evaluate</a><wbr>(<a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/geometry/DirectPosition.html" title="class or interface in org.opengis.geometry" class="external-link">DirectPosition</a> point)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Returns a string representation of data under the given "real world" position.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#run()" class="member-name-link">run</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Invoked in a background thread for formatting values at the most recent position.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-Object">Methods inherited from class <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor-detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>(org.apache.sis.gui.map.ValuesUnderCursor)"> |
| <h3>Formatter</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="element-name">Formatter</span><wbr><span class="parameters">(<a href="ValuesUnderCursor.html" title="class in org.apache.sis.gui.map">ValuesUnderCursor</a> owner)</span></div> |
| <div class="block">Creates a new formatter instance.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>owner</code> - instance of the enclosing class which will evaluate values under cursor position.</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="run()"> |
| <h3>run</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">run</span>()</div> |
| <div class="block">Invoked in a background thread for formatting values at the most recent position. |
| If the cursor moves while this method is formatting values, then this method will |
| continue its execution for formatting also the values at new positions until the |
| cursor stop moving. |
| |
| <p>This method does not need to be invoked explicitly; it is invoked automatically |
| by <a href="ValuesUnderCursor.html" title="class in org.apache.sis.gui.map"><code>ValuesUnderCursor</code></a>. But it may be overridden for adding pretreatment or |
| post-treatment.</p></div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runnable.html#run()" title="class or interface in java.lang" class="external-link">run</a></code> in interface <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runnable.html" title="class or interface in java.lang" class="external-link">Runnable</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="evaluate(org.opengis.geometry.DirectPosition)"> |
| <h3>evaluate</h3> |
| <div class="member-signature"><span class="modifiers">public abstract</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span> <span class="element-name">evaluate</span><wbr><span class="parameters">(<a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/geometry/DirectPosition.html" title="class or interface in org.opengis.geometry" class="external-link">DirectPosition</a> point)</span></div> |
| <div class="block">Returns a string representation of data under the given "real world" position. |
| The <a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/geometry/DirectPosition.html#getCoordinateReferenceSystem()" title="class or interface in org.opengis.geometry" class="external-link">position CRS</a> |
| should be non-null for avoiding ambiguity about what is the default CRS. |
| The position CRS may be anything; this method shall transform coordinates itself if needed. |
| |
| <p>This method is invoked by <a href="#run()"><code>run()</code></a> in a background thread. |
| Implementations are responsible for fetching data in a thread-safe manner.</p></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>point</code> - the cursor location in arbitrary CRS (usually the CRS shown in the status bar). |
| May be <code>null</code> for declaring that the point is outside canvas region.</dd> |
| <dt>Returns:</dt> |
| <dd>string representation of data under given position, or <code>null</code> if none.</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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