dialog for code coverage reporter with cancel capabilities

Author: PhilippSalvisberg

sqldev/src/main/java/org/utplsql/sqldev/CodeCoverageReporterWindow.xtend

@@ -0,0 +1,217 @@
+/*
+ * Copyright 2018 Philipp Salvisberg <philipp.salvisberg@trivadis.com>
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.utplsql.sqldev
+
+import java.awt.Component
+import java.awt.Dimension
+import java.awt.GridBagConstraints
+import java.awt.GridBagLayout
+import java.awt.Insets
+import java.awt.Rectangle
+import java.awt.Toolkit
+import java.awt.event.ActionEvent
+import java.awt.event.ActionListener
+import java.awt.event.FocusEvent
+import java.awt.event.FocusListener
+import java.awt.event.WindowEvent
+import javax.swing.BorderFactory
+import javax.swing.JButton
+import javax.swing.JFrame
+import javax.swing.JLabel
+import javax.swing.JPanel
+import javax.swing.JScrollPane
+import javax.swing.JTextArea
+import javax.swing.JTextField
+import javax.swing.ScrollPaneConstants
+import javax.swing.SwingUtilities
+import org.springframework.core.task.SimpleAsyncTaskExecutor
+import org.utplsql.sqldev.resources.UtplsqlResources
+
+class CodeCoverageReporterWindow extends JFrame implements ActionListener, FocusListener {
+	
+	var CodeCoverageReporter reporter
+	var JButton runButton
+	var JButton cancelButton
+	var JPanel paneParams;
+	var int paramPos = -1;
+	val pathsTextArea = new JTextArea()
+	val schemasTextField = new JTextField()
+	val includeObjectsTextArea = new JTextArea()
+	val excludeObjectsTextArea = new JTextArea()
+	
+	def static createAndShow(CodeCoverageReporter reporter) {
+		SwingUtilities.invokeLater(new Runnable() {
+			override run() {
+				CodeCoverageReporterWindow.createAndShowWithinEventThread(reporter);
+			}
+		});
+	}
+
+	def private static createAndShowWithinEventThread(CodeCoverageReporter reporter) {
+		// create and layout the dialog
+		val frame = new CodeCoverageReporterWindow(reporter)
+		reporter.frame = frame
+		frame.pack
+		// center dialog
+		val dim = Toolkit.getDefaultToolkit().getScreenSize();
+		frame.setLocation(dim.width / 2 - frame.getSize().width / 2, dim.height / 2 - frame.getSize().height / 2);
+		frame.alwaysOnTop = true
+		frame.visible = true
+	}
+
+	new(CodeCoverageReporter reporter) {
+		super(UtplsqlResources.getString("WINDOW_CODE_COVERAGE_REPORT_LABEL"))
+		this.reporter = reporter
+		val pane = this.getContentPane();
+		pane.setLayout(new GridBagLayout());
+		val c = new GridBagConstraints();
+		
+		// parameters pane
+		paneParams = new JPanel(new GridBagLayout())
+		pathsTextArea.editable = false
+		pathsTextArea.enabled = false
+		addParam(UtplsqlResources.getString("WINDOW_PATHS_LABEL"), '''«FOR path : reporter.pathList SEPARATOR ", "»«path»«ENDFOR»''', pathsTextArea)
+		addParam(UtplsqlResources.getString("WINDOW_SCHEMAS_LABEL"), "", schemasTextField);
+		addParam(UtplsqlResources.getString("WINDOW_INCLUDE_OBJECS_LABEL"), '''«FOR i : reporter.includeObjectList SEPARATOR ", "»«i»«ENDFOR»''', includeObjectsTextArea);
+		addParam(UtplsqlResources.getString("WINDOW_EXCLUDE_OBJECS_LABEL"), "", excludeObjectsTextArea);
+		val scrollPane = new JScrollPane(paneParams)
+		scrollPane.verticalScrollBarPolicy = ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED
+		scrollPane.horizontalScrollBarPolicy = ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER
+		scrollPane.border = BorderFactory.createEmptyBorder;
+		c.gridx = 0;
+		c.gridy = 0;
+		c.gridwidth = 2;
+		c.insets = new Insets(10, 10, 0, 10); // top, left, bottom, right
+		c.anchor = GridBagConstraints.NORTH;
+		c.fill = GridBagConstraints.BOTH;
+		c.weightx = 1;
+		c.weighty = 1;
+		pane.add(scrollPane, c)
+
+		// Buttons pane
+		val panelButtons = new JPanel(new GridBagLayout())
+		runButton = new JButton(UtplsqlResources.getString("WINDOW_RUN_BUTTON"))
+		runButton.addActionListener(this);
+		c.gridx = 0;
+		c.gridy = 0;
+		c.gridwidth = 1;
+		c.insets = new Insets(0, 0, 0, 0); // top, left, bottom, right
+		c.fill = GridBagConstraints.NONE;
+		c.weightx = 0;
+		c.weighty = 0;
+		panelButtons.add(runButton, c);
+		cancelButton = new JButton(UtplsqlResources.getString("WINDOW_CANCEL_BUTTON"));
+		cancelButton.addActionListener(this);
+		c.gridx = 1;
+		c.insets = new Insets(0, 10, 0, 0); // top, left, bottom, right
+		c.fill = GridBagConstraints.NONE;
+		c.weightx = 0;
+		c.weighty = 0;
+		panelButtons.add(cancelButton, c);
+		c.gridx = 1;
+		c.gridy = 1;
+		c.gridwidth = 1;
+		c.insets = new Insets(30, 10, 10, 10); // top, left, bottom, right
+		c.anchor = GridBagConstraints.EAST
+		c.fill = GridBagConstraints.NONE
+		c.weightx = 0;
+		c.weighty = 0;
+		pane.add(panelButtons, c);
+		pane.setPreferredSize(new Dimension(600, 320));
+		SwingUtilities.getRootPane(runButton).defaultButton = runButton
+	}
+	
+	private def addParam(String label, String text, Component component) {
+		paramPos++
+		val c = new GridBagConstraints();
+		val paramLabel = new JLabel(label)
+		c.gridx = 0
+		c.gridy = paramPos
+		c.gridwidth = 1
+		c.insets = new Insets(10, 10, 0, 0) // top, left, bottom, right
+		c.anchor = GridBagConstraints.NORTHWEST
+		c.fill = GridBagConstraints.HORIZONTAL
+		c.weightx = 0
+		c.weighty = 0
+		paneParams.add(paramLabel, c);
+		c.gridx = 1
+		c.gridwidth = GridBagConstraints.REMAINDER
+		c.anchor = GridBagConstraints.WEST
+		c.fill = GridBagConstraints.BOTH
+		c.insets = new Insets(10, 10, 0, 10); // top, left, bottom, right
+		c.weightx = 1
+		if (component instanceof JTextField) {
+			component.text = text
+			c.weighty = 0
+			paneParams.add(component, c)			
+		} else if (component instanceof JTextArea) {
+			component.text = text
+			component.lineWrap = true
+			component.wrapStyleWord = true
+			var scrollPane = new JScrollPane(component);
+			scrollPane.viewport.preferredSize = new Dimension(200, 50)
+			c.weighty = 1
+			paneParams.add(scrollPane, c)
+		}
+		component.addFocusListener(this)
+	}
+	
+	def exit() {
+		this.dispatchEvent(new WindowEvent(this, WindowEvent.WINDOW_CLOSING));
+	}
+	
+	override actionPerformed(ActionEvent e) {
+		if (e.getSource == runButton) {
+			reporter.schemas = schemasTextField.text
+			reporter.includeObjects = includeObjectsTextArea.text
+			reporter.excludeObjects = excludeObjectsTextArea.text
+			schemasTextField.setEnabled(false)
+			includeObjectsTextArea.setEnabled(false)
+			excludeObjectsTextArea.setEnabled(false)
+			runButton.setEnabled(false)
+			reporter.runAsync
+		} else if (e.getSource == cancelButton) {
+			if (runButton.enabled) {
+				// report is not yet started, just close the window
+				exit
+			} else {
+				// report is being created...
+				// frame will close as soon as the connection is technically aborted
+				// database session is not cancelled. This is not a bug.
+				// to cancel the session you have to kill it via "ALTER SYSTEM KILL SESSION".
+				// However, the abort frees all resources on the client side. 
+				reporter.connection.abort(new SimpleAsyncTaskExecutor)
+			}
+		}
+	}
+	
+	override focusGained(FocusEvent e) {
+		if (paneParams.isAncestorOf(e.component)) {
+			// make component at cursor position is visible
+			val x = e.component.getLocationOnScreen.x - paneParams.getLocationOnScreen.x
+			val y = e.component.getLocationOnScreen.y - paneParams.getLocationOnScreen.y
+			val width = e.component.getBounds.width
+			val height = e.component.getBounds.height
+			val rect = new Rectangle(x, y, width, height)
+			paneParams.scrollRectToVisible(rect)
+		}
+	}
+	
+	override focusLost(FocusEvent e) {
+		// ignore
+	}
+
+}