Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.modeling / src / org / simantics / modeling / CreateVersionDialog.java

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/CreateVersionDialog.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/CreateVersionDialog.java
new file mode 100644 (file)
index 0000000..a902923
--- /dev/null
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/CreateVersionDialog.java
@@ -0,0 +1,137 @@
+package org.simantics.modeling;\r
+\r
+import org.eclipse.jface.dialogs.Dialog;\r
+import org.eclipse.jface.dialogs.IDialogConstants;\r
+import org.eclipse.jface.layout.GridDataFactory;\r
+import org.eclipse.jface.layout.GridLayoutFactory;\r
+import org.eclipse.swt.SWT;\r
+import org.eclipse.swt.events.ModifyEvent;\r
+import org.eclipse.swt.events.ModifyListener;\r
+import org.eclipse.swt.graphics.Point;\r
+import org.eclipse.swt.widgets.Composite;\r
+import org.eclipse.swt.widgets.Control;\r
+import org.eclipse.swt.widgets.Label;\r
+import org.eclipse.swt.widgets.Shell;\r
+import org.eclipse.swt.widgets.Text;\r
+import org.simantics.db.common.utils.VersionInfo;\r
+import org.simantics.utils.strings.AlphanumComparator;\r
+\r
+public class CreateVersionDialog extends Dialog {\r
+\r
+       private final VersionInfo info;\r
+\r
+       private Label errors;\r
+       private Text versionTxT;\r
+       private String result;\r
+       \r
+       public CreateVersionDialog(Shell parentShell, VersionInfo info) {\r
+               super(parentShell);\r
+               this.info = info;\r
+       }\r
+       \r
+       public String mutate(String ver) {\r
+        try {\r
+            int currentInt = Integer.parseInt(ver);\r
+            return "" + (currentInt+1);\r
+        } catch (NumberFormatException e) {\r
+               if(ver.length() == 1) {\r
+                       char c = ver.charAt(0);\r
+                       c++;\r
+                       Character ch = c; \r
+                       if(Character.isLetter(ch) && Character.isUpperCase(ch)) return ch.toString();\r
+               }\r
+        }\r
+        return ver + "_1";\r
+       }\r
+       \r
+       public String getSuggestion() {\r
+               \r
+               String ver = info.version;\r
+               while(validateVersion(ver) != null) ver = mutate(ver);\r
+               return ver;\r
+               \r
+       }\r
+\r
+       @Override\r
+       protected Control createDialogArea(Composite parent) {\r
+               Composite c = (Composite) super.createDialogArea(parent);\r
+               \r
+        GridLayoutFactory.fillDefaults().margins(8, 8).numColumns(2).applyTo(c);\r
+        GridDataFactory gd1 = GridDataFactory.fillDefaults().span(2, 1);\r
+\r
+        // 1st line\r
+        Label label = new Label(c, 0);\r
+        label.setText("Current version identifier is: " + info.version);\r
+        gd1.applyTo(label);\r
+        \r
+        // 2nd line\r
+        label = new Label(c, 0);\r
+        label.setText("New identifier:");\r
+        GridDataFactory.fillDefaults().applyTo(label);\r
+\r
+        versionTxT = new Text(c, SWT.BORDER);\r
+        versionTxT.setText(getSuggestion());\r
+        \r
+        GridDataFactory.fillDefaults().grab(true, false).applyTo(versionTxT);\r
+        \r
+        versionTxT.addModifyListener(new ModifyListener() {\r
+\r
+                       @Override\r
+                       public void modifyText(ModifyEvent e) {\r
+\r
+                               String result = validateVersion(versionTxT.getText()); \r
+                               if(result != null) {\r
+                                       errors.setText(result);\r
+                                       getButton(IDialogConstants.OK_ID).setEnabled(false);\r
+                                       Shell shell = errors.getShell();\r
+                                       Point ns = shell.computeSize(SWT.DEFAULT, SWT.DEFAULT);\r
+                                       Point cs = shell.getSize();\r
+                                       shell.setSize(Math.max(cs.x, ns.x), Math.max(cs.y, ns.y));\r
+                               } else {\r
+                                       errors.setText("");\r
+                                       getButton(IDialogConstants.OK_ID).setEnabled(true);\r
+                               }\r
+                               \r
+                       }\r
+               \r
+        });\r
+        \r
+        // Errors\r
+        errors= new Label(c, 0);\r
+        errors.setText("");\r
+        errors.setForeground(errors.getDisplay().getSystemColor(SWT.COLOR_RED));\r
+        \r
+        gd1.applyTo(errors);\r
+        \r
+               return c;\r
+       }\r
+       \r
+       private String validateVersion(final String version) {\r
+               \r
+               if(info.containsVersion(version)) return "Version already in use";\r
+               if(AlphanumComparator.COMPARATOR.compare(version, info.version) < 0) return "New version must be lexically greater than current";\r
+               return null;\r
+               \r
+       }\r
+       \r
+       @Override\r
+       protected void okPressed() {\r
+               result = versionTxT.getText();\r
+        super.okPressed();\r
+       }\r
+       \r
+       public String getResult() {\r
+               return result;\r
+       }\r
+\r
+       @Override\r
+    protected int getShellStyle() {\r
+        return SWT.RESIZE | SWT.TITLE | SWT.CLOSE | SWT.BORDER;\r
+    }\r
+\r
+    @Override\r
+    protected void configureShell(Shell newShell) {\r
+        super.configureShell(newShell);\r
+        newShell.setText("Create new version of " + info.baseName);\r
+    }\r
+}\r