Initial commit

src/main/java/ninja/javafx/smartcsv/fx/table/EditableValidationCell.java

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+/*
+   The MIT License (MIT)
+   -----------------------------------------------------------------------------
+
+   Copyright (c) 2015 javafx.ninja <info@javafx.ninja>
+
+   Permission is hereby granted, free of charge, to any person obtaining a copy
+   of this software and associated documentation files (the "Software"), to deal
+   in the Software without restriction, including without limitation the rights
+   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+   copies of the Software, and to permit persons to whom the Software is
+   furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be included in
+   all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+   THE SOFTWARE.
+
+*/
+
+package ninja.javafx.smartcsv.fx.table;
+
+import javafx.scene.control.ContentDisplay;
+import javafx.scene.control.TableCell;
+import javafx.scene.control.TextField;
+import javafx.scene.control.Tooltip;
+import javafx.scene.input.KeyCode;
+import ninja.javafx.smartcsv.fx.table.model.CSVRow;
+import ninja.javafx.smartcsv.fx.table.model.CSVValue;
+
+import static javafx.application.Platform.runLater;
+
+/**
+ * Created by Andreas on 27.11.2015.
+ */
+public class EditableValidationCell extends TableCell<CSVRow, CSVValue> {
+
+    private ValueTextField textField;
+
+    @Override
+    public void startEdit() {
+        super.startEdit();
+        setTextField();
+        runLater(() -> {
+            textField.requestFocus();
+            textField.selectAll();
+        });
+    }
+
+    @Override
+    public void cancelEdit() {
+        super.cancelEdit();
+        setText(getItem().getValue());
+        setContentDisplay(ContentDisplay.TEXT_ONLY);
+    }
+
+    @Override
+    protected void updateItem(CSVValue item, boolean empty) {
+        super.updateItem(item, empty);
+
+        if (item == null || item.getValid().isValid() || isEditing()) {
+            setStyle("");
+            setTooltip(null);
+        } else if (!item.getValid().isValid()) {
+            setStyle("-fx-background-color: #ff8888");
+            setTooltip(new Tooltip(item.getValid().error()));
+        }
+
+        if (item == null || empty) {
+            setTextInCell(null);
+        } else {
+            if (isEditing()) {
+                setTextField();
+                textField.setValue(item);
+            } else {
+                setTextInCell(item.getValue());
+            }
+        }
+    }
+
+    private void setTextField() {
+        if (textField == null) {
+            createTextField();
+        }
+        setGraphic(textField);
+        setContentDisplay(ContentDisplay.GRAPHIC_ONLY);
+    }
+
+    private void setTextInCell(String text) {
+        setGraphic(null);
+        setText(text);
+        setContentDisplay(ContentDisplay.TEXT_ONLY);
+    }
+
+    private void createTextField() {
+        textField = new ValueTextField(getItem());
+        textField.setMinWidth(this.getWidth() - this.getGraphicTextGap() * 2);
+        textField.setOnKeyPressed(t -> {
+            if (t.getCode() == KeyCode.ENTER) {
+                commitEdit(textField.getValue());
+            } else if (t.getCode() == KeyCode.ESCAPE) {
+                cancelEdit();
+            }
+        });
+        textField.focusedProperty().addListener((observable, oldValue, newValue) -> {
+            if (!newValue && textField != null) {
+                commitEdit(textField.getValue());
+            }
+        });
+    }
+
+    private class ValueTextField extends TextField {
+        private CSVValue value;
+
+        public ValueTextField(CSVValue value) {
+            setValue(value);
+        }
+
+        public void setValue(CSVValue value) {
+            this.value = value;
+            setText(value.getValue());
+        }
+
+        public CSVValue getValue() {
+            value.setValue(getText());
+            return value;
+        }
+
+    }
+}