Merge pull request controlsfx#1194 from Maxoudela/master

Introducing RichText feature for SpreadsheetView

controlsfx-samples/src/main/java/org/controlsfx/samples/spreadsheet/BrowserImpl.java

@@ -0,0 +1,112 @@
+/**
+ * Copyright (c) 2019 ControlsFX
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *     * Neither the name of ControlsFX, any associated website, nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL CONTROLSFX BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.controlsfx.samples.spreadsheet;
+
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.atomic.AtomicInteger;
+import javafx.beans.InvalidationListener;
+import javafx.beans.Observable;
+import javafx.geometry.Pos;
+import javafx.scene.Node;
+import javafx.scene.control.Label;
+import javafx.scene.layout.Background;
+import javafx.scene.paint.Paint;
+import javafx.scene.text.Font;
+import javafx.scene.web.WebView;
+import org.controlsfx.control.spreadsheet.SpreadsheetCell;
+import org.controlsfx.control.spreadsheet.CellGraphicFactory;
+
+/**
+ *
+ * Example of implementation of the BrowserInterface in order to provide WebView
+ * inside of cells.
+ */
+public class BrowserImpl implements CellGraphicFactory<WebView> {
+
+    private final LinkedList<WebView> browserList = new LinkedList<>();
+    private final AtomicInteger browserCounter = new AtomicInteger();
+    private final Map<WebView, String> loadedUrl = new HashMap<>();
+
+    @Override
+    public Node getNode(SpreadsheetCell cell) {
+        //Limit the number of browser displayed.
+        if (browserCounter.get() < 256) {
+            if (browserList.isEmpty()) {
+                browserCounter.incrementAndGet();
+                WebView webView = new WebView();
+                webView.setMouseTransparent(true);
+                webView.setContextMenuEnabled(false);
+                webView.setPrefHeight(48);
+                //https://stackoverflow.com/questions/11206942/how-to-hide-scrollbars-in-the-javafx-webview?lq=1
+                webView.getChildrenUnmodifiable().addListener(new InvalidationListener() {
+                    @Override
+                    public void invalidated(Observable observable) {
+                        Set<Node> deadSeaScrolls = webView.lookupAll(".scroll-bar");
+                        for (Node scroll : deadSeaScrolls) {
+                            scroll.setVisible(false);
+                        }
+                    }
+                });
+                webView.getEngine().loadContent( cell.getItem().toString());
+                loadedUrl.put(webView, cell.getItem().toString());
+                return webView;
+            } else {
+                WebView webView = browserList.pop();
+                webView.getEngine().load(cell.getItem().toString());
+                return webView;
+            }
+        } else {
+            return new Label("Too many browser");
+        }
+    }
+
+    @Override
+    public void load(WebView browser, SpreadsheetCell cell) {
+        if (!loadedUrl.containsKey(browser) || !loadedUrl.get(browser).equals(cell.getItem())) {
+            browser.getEngine().load(cell.getItem().toString());
+            loadedUrl.put(browser, cell.getItem().toString());
+        }
+    }
+
+    @Override
+    public void loadStyle(WebView browser, SpreadsheetCell cell, Font font, Paint textFill, Pos alignment, Background background) {
+        //no-op
+    }
+
+    @Override
+    public void setUnusedNode(WebView browser) {
+        browserList.add(browser);
+    }
+
+    @Override
+    public Class getType() {
+        return WebView.class;
+    }
+        }

controlsfx-samples/src/main/java/org/controlsfx/samples/spreadsheet/HelloSpreadsheetView2.java

@@ -155,6 +155,7 @@ public void changed(ObservableValue<? extends Boolean> arg0, Boolean arg1, Boole
         grid.add(columnHeaderLabel, 0, row);
         columnHeader.setSelected(true);
         spreadSheetView.setShowColumnHeader(true);
+        spreadSheetView.setCellGraphicFactory(new BrowserImpl());
 
         grid.add(columnHeader, 1, row++);
         columnHeader.selectedProperty().addListener(new ChangeListener<Boolean>() {
@@ -326,9 +327,9 @@ private ObservableList<SpreadsheetCell> getTitle(GridBase grid, int row) {
 
             final ObservableList<SpreadsheetCell> title = FXCollections.observableArrayList();
 
-            SpreadsheetCell cell = SpreadsheetCellType.STRING.createCell(row, 0, 1, 1, "Customer order details");
+            SpreadsheetCell cell = SpreadsheetCellType.STRING.createCell(row, 0, 1, 1, "<font size=\"5\"><font color=\"#e64d4d\">Customer</font> <b>order</b> <i>details</i></font>");
             cell.setEditable(false);
-            cell.getStyleClass().add("title");
+            cell.setCellGraphic(true);
             title.add(cell);
 
             for (int column = 1; column < grid.getColumnCount(); ++column) {