]> gerrit.simantics Code Review - simantics/platform.git/blobdiff - bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/preferences/DiagramPreferencePage.java
Migrated source code from Simantics SVN
[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / preferences / DiagramPreferencePage.java
diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/preferences/DiagramPreferencePage.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/preferences/DiagramPreferencePage.java
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+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.modeling.ui.preferences;\r
+\r
+import java.text.DecimalFormat;\r
+import java.text.ParseException;\r
+\r
+import org.eclipse.core.runtime.preferences.InstanceScope;\r
+import org.eclipse.jface.layout.GridDataFactory;\r
+import org.eclipse.jface.layout.GridLayoutFactory;\r
+import org.eclipse.jface.preference.BooleanFieldEditor;\r
+import org.eclipse.jface.preference.FieldEditor;\r
+import org.eclipse.jface.preference.FieldEditorPreferencePage;\r
+import org.eclipse.jface.preference.IPreferenceStore;\r
+import org.eclipse.swt.SWT;\r
+import org.eclipse.swt.events.DisposeEvent;\r
+import org.eclipse.swt.events.DisposeListener;\r
+import org.eclipse.swt.events.PaintEvent;\r
+import org.eclipse.swt.events.PaintListener;\r
+import org.eclipse.swt.graphics.GC;\r
+import org.eclipse.swt.graphics.Point;\r
+import org.eclipse.swt.layout.GridData;\r
+import org.eclipse.swt.widgets.Button;\r
+import org.eclipse.swt.widgets.Canvas;\r
+import org.eclipse.swt.widgets.Combo;\r
+import org.eclipse.swt.widgets.Composite;\r
+import org.eclipse.swt.widgets.Event;\r
+import org.eclipse.swt.widgets.Group;\r
+import org.eclipse.swt.widgets.Label;\r
+import org.eclipse.swt.widgets.Listener;\r
+import org.eclipse.swt.widgets.Text;\r
+import org.eclipse.ui.IWorkbench;\r
+import org.eclipse.ui.IWorkbenchPreferencePage;\r
+import org.eclipse.ui.preferences.ScopedPreferenceStore;\r
+import org.osgi.service.prefs.BackingStoreException;\r
+import org.simantics.modeling.ui.Activator;\r
+import org.simantics.ui.workbench.preferences.NumberFieldEditor;\r
+import org.simantics.utils.page.MarginUtils.Margin;\r
+import org.simantics.utils.page.MarginUtils.Margins;\r
+import org.simantics.utils.page.PageDesc;\r
+import org.simantics.utils.page.PageOrientation;\r
+import org.simantics.utils.ui.ErrorLogger;\r
+\r
+public class DiagramPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {\r
+\r
+    public DiagramPreferencePage() {\r
+        super(GRID);\r
+    }\r
+\r
+    @Override\r
+    public void init(IWorkbench workbench) {\r
+    }\r
+\r
+    @Override\r
+    protected IPreferenceStore doGetPreferenceStore() {\r
+        return new ScopedPreferenceStore(InstanceScope.INSTANCE, Activator.PLUGIN_ID);\r
+    }\r
+\r
+    @Override\r
+    protected void createFieldEditors() {\r
+        Group group = new Group(getFieldEditorParent(), SWT.NONE);\r
+        group.setText("Grid Snapping");\r
+        GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(group);\r
+\r
+        NumberFieldEditor gridSizeField = new NumberFieldEditor(DiagramPreferences.P_SNAP_GRID_SIZE, "Grid size (mm)", group);\r
+        // 1um - 1m grid size allowed\r
+        gridSizeField.setValidRange(1e-3, 1e3);\r
+        addField(gridSizeField);\r
+\r
+        GridLayoutFactory.fillDefaults().numColumns(2).equalWidth(false).extendedMargins(12, 12, 12, 12).spacing(5, 4).applyTo(group);\r
+\r
+        PageDescFieldEditor pageDescField = new PageDescFieldEditor(getFieldEditorParent());\r
+        addField(pageDescField);\r
+\r
+        Group displayGroup = new Group(getFieldEditorParent(), SWT.NONE);\r
+        displayGroup.setText("Display");\r
+        GridDataFactory.fillDefaults().grab(true, false).span(1, 1).applyTo(displayGroup);\r
+\r
+        BooleanFieldEditor displayPage = new BooleanFieldEditor(DiagramPreferences.P_DISPLAY_PAGE_SIZE, "Show page borders", BooleanFieldEditor.SEPARATE_LABEL, displayGroup);\r
+        addField(displayPage);\r
+        BooleanFieldEditor displayMargins = new BooleanFieldEditor(DiagramPreferences.P_DISPLAY_MARGINS, "Show margins", BooleanFieldEditor.SEPARATE_LABEL, displayGroup);\r
+        addField(displayMargins);\r
+\r
+        GridLayoutFactory.fillDefaults().numColumns(2).equalWidth(false).extendedMargins(12, 12, 12, 12).spacing(5, 4).applyTo(displayGroup);\r
+    }\r
+\r
+    static class PageDescFieldEditor extends FieldEditor {\r
+\r
+        PageDesc desc;\r
+        PageDesc previousDesc;\r
+\r
+        Group group;\r
+\r
+        Button portrait;\r
+        Button landscape;\r
+        Combo combo;\r
+\r
+        Text topMargin;\r
+        Text leftMargin;\r
+        Text rightMargin;\r
+        Text bottomMargin;\r
+\r
+        Canvas pageCanvas;\r
+\r
+        Listener marginListener = new Listener() {\r
+            @Override\r
+            public void handleEvent(Event event) {\r
+                if (event.type == SWT.Modify) {\r
+                    Text txt = (Text) event.widget;\r
+                    String s = txt.getText();\r
+                    double value = 0;\r
+                    boolean invalid = false;\r
+                    try {\r
+                        value = DecimalFormat.getInstance().parse(s).doubleValue();\r
+                    } catch (ParseException e) {\r
+                        invalid = true;\r
+                    }\r
+                    if (invalid) {\r
+                        txt.setBackground(txt.getDisplay().getSystemColor(SWT.COLOR_RED));\r
+                    } else {\r
+                        txt.setBackground(null);\r
+                        int mask = txt == topMargin ? Margins.TOP : txt == leftMargin ? Margins.LEFT\r
+                                : txt == rightMargin ? Margins.RIGHT : txt == bottomMargin ? Margins.BOTTOM : 0;\r
+                        Margin m = new Margin(0, 0, value);\r
+                        desc = desc.withMargins(desc.getMargins().withSide(mask, m));\r
+                        applyValuesToWidgets(false);\r
+                    }\r
+                } else if (event.type == SWT.FocusIn) {\r
+                    Text txt = (Text) event.widget;\r
+                    txt.selectAll();\r
+                }\r
+            }\r
+        };\r
+\r
+        int[] marginEvents = { SWT.Modify, SWT.FocusIn };\r
+\r
+        private void addMarginListeners() {\r
+            for (int et : marginEvents) {\r
+                topMargin.addListener(et, marginListener);\r
+                leftMargin.addListener(et, marginListener);\r
+                rightMargin.addListener(et, marginListener);\r
+                bottomMargin.addListener(et, marginListener);\r
+            }\r
+        }\r
+\r
+        private void removeMarginListeners() {\r
+            for (int et : marginEvents) {\r
+                topMargin.removeListener(et, marginListener);\r
+                leftMargin.removeListener(et, marginListener);\r
+                rightMargin.removeListener(et, marginListener);\r
+                bottomMargin.removeListener(et, marginListener);\r
+            }\r
+        }\r
+\r
+        public PageDescFieldEditor(Composite parent) {\r
+            DiagramPreferences prefs = DiagramPreferenceUtil.getPreferences();\r
+            desc = prefs.get(DiagramPreferences.P_DEFAULT_PAGE_SIZE);\r
+            previousDesc = desc;\r
+\r
+            createControl(parent);\r
+        }\r
+\r
+        @Override\r
+        protected void adjustForNumColumns(int numColumns) {\r
+            if (group != null) {\r
+                ((GridData) group.getLayoutData()).horizontalSpan = numColumns;\r
+            }\r
+        }\r
+\r
+        @Override\r
+        protected void doFillIntoGrid(Composite parent, int numColumns) {\r
+            group = getGroupControl(parent);\r
+            GridDataFactory.fillDefaults().grab(true, false).span(numColumns, 1).applyTo(group);\r
+        }\r
+\r
+        /**\r
+         * Returns the change button for this field editor.\r
+         * @param parent The Composite to create the receiver in.\r
+         *\r
+         * @return the change button\r
+         */\r
+        protected Group getGroupControl(Composite parent) {\r
+            if (group == null) {\r
+                group = new Group(parent, SWT.NONE);\r
+                group.setText("Page Defaults");\r
+                group.setToolTipText("The default settings for diagram pages.");\r
+                group.setFont(parent.getFont());\r
+                group.addDisposeListener(new DisposeListener() {\r
+                    public void widgetDisposed(DisposeEvent event) {\r
+                        group = null;\r
+                    }\r
+                });\r
+                GridLayoutFactory.fillDefaults().numColumns(3).equalWidth(false).extendedMargins(12, 12, 12, 12).spacing(5, 4).applyTo(group);\r
+                createChoosers(group);\r
+            } else {\r
+                checkParent(group, parent);\r
+            }\r
+            return group;\r
+        }\r
+\r
+        protected void createChoosers(Composite parent) {\r
+            //parent.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_BLUE));\r
+            Label label = new Label(parent, 0);\r
+            label.setText("Size:");\r
+            combo = new Combo(parent, 0);\r
+            combo.addListener(SWT.Selection, new Listener() {\r
+                @Override\r
+                public void handleEvent(Event event) {\r
+                    PageDesc pd = (PageDesc) combo.getData(combo.getItem(combo.getSelectionIndex()));\r
+                    if (pd != null) {\r
+                        desc = desc.withSizeFrom(pd).withText(pd.getText());\r
+                        applyValuesToWidgets();\r
+                    }\r
+                }\r
+            });\r
+\r
+            Composite marginComposite = new Composite(parent, 0);\r
+            //marginComposite.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_RED));\r
+            GridDataFactory.fillDefaults().grab(true, true).grab(true, true).align(SWT.CENTER, SWT.CENTER).span(1, 2).applyTo(marginComposite);\r
+            GridLayoutFactory.fillDefaults().numColumns(3).margins(5, 5).spacing(3, 3).applyTo(marginComposite);\r
+            label = new Label(marginComposite, 0);\r
+            label.setText("Margins (mm)");\r
+\r
+            GridDataFactory.fillDefaults().align(SWT.CENTER, SWT.TOP).span(3, 1).applyTo(label);\r
+            label = new Label(marginComposite, 0);\r
+            GridDataFactory.fillDefaults().align(SWT.CENTER, SWT.TOP).span(3, 1).applyTo(label);\r
+            new Label(marginComposite, 0);\r
+            topMargin = new Text(marginComposite, SWT.BORDER | SWT.CENTER);\r
+            GridDataFactory.fillDefaults().hint(50, SWT.DEFAULT).grab(true, false).applyTo(topMargin);\r
+            new Label(marginComposite, 0);\r
+            leftMargin = new Text(marginComposite, SWT.BORDER | SWT.RIGHT);\r
+            GridDataFactory.swtDefaults().hint(50, SWT.DEFAULT).grab(true, false).applyTo(leftMargin);\r
+            pageCanvas = new Canvas(marginComposite, 0);\r
+            GridDataFactory.swtDefaults().hint(SWT.DEFAULT, SWT.DEFAULT).grab(true, true).applyTo(pageCanvas);\r
+            pageCanvas.addPaintListener(new PaintListener() {\r
+                @Override\r
+                public void paintControl(PaintEvent e) {\r
+                    GC gc = e.gc;\r
+                    Point size = pageCanvas.getSize();\r
+\r
+                    double w = desc.getOrientedWidth();\r
+                    double h = desc.getOrientedHeight();\r
+\r
+                    Margins margins = desc.getMargins();\r
+                    int top = (int) Math.round(size.y * margins.top.diagramAbsolute / h);\r
+                    int bottom = (int) Math.round(size.y * margins.bottom.diagramAbsolute / h);\r
+                    int left = (int) Math.round(size.x * margins.left.diagramAbsolute / w);\r
+                    int right = (int) Math.round(size.x * margins.right.diagramAbsolute / w);\r
+\r
+                    gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_GRAY));\r
+                    gc.fillRectangle(0, 0, size.x, size.y);\r
+\r
+                    if ((top+bottom) < size.y && (left+right) < size.x) {\r
+                        gc.drawLine(left, 0, left, size.y-1);\r
+                        gc.drawLine(size.x-1-right, 0, size.x-1-right, size.y-1);\r
+                        gc.drawLine(0, top, size.x-1, top);\r
+                        gc.drawLine(0, size.y-1-bottom, size.x-1, size.y-1-bottom);\r
+\r
+                        gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_WHITE));\r
+                        gc.fillRectangle(left+1, top+1, size.x-2-right-left, size.y-2-top-bottom);\r
+                    }\r
+                }\r
+            });\r
+            rightMargin = new Text(marginComposite, SWT.BORDER | SWT.LEFT);\r
+            GridDataFactory.swtDefaults().hint(50, SWT.DEFAULT).grab(true, false).applyTo(rightMargin);\r
+            new Label(marginComposite, 0);\r
+            bottomMargin = new Text(marginComposite, SWT.BORDER | SWT.CENTER);\r
+            GridDataFactory.fillDefaults().hint(50, SWT.DEFAULT).grab(true, false).applyTo(bottomMargin);\r
+            new Label(marginComposite, 0);\r
+\r
+            addMarginListeners();\r
+\r
+            label = new Label(parent, 0);\r
+            label.setText("Orientation:");\r
+            Composite comp = new Composite(parent, 0);\r
+            GridDataFactory.fillDefaults().span(1, 1).align(SWT.LEFT, SWT.CENTER).applyTo(comp);\r
+            GridLayoutFactory.fillDefaults().numColumns(1).applyTo(comp);\r
+            portrait = new Button(comp, SWT.RADIO);\r
+            landscape = new Button(comp, SWT.RADIO);\r
+            portrait.setText("Portrait");\r
+            landscape.setText("Landscape");\r
+\r
+            Listener orientationListener = new Listener() {\r
+                @Override\r
+                public void handleEvent(Event event) {\r
+                    if (portrait.getSelection())\r
+                        desc = desc.withOrientation(PageOrientation.Portrait);\r
+                    else\r
+                        desc = desc.withOrientation(PageOrientation.Landscape);\r
+\r
+                    applyValuesToWidgets();\r
+                }\r
+            };\r
+            portrait.addListener(SWT.Selection, orientationListener);\r
+            landscape.addListener(SWT.Selection, orientationListener);\r
+\r
+            PageDesc[] pds = PageDesc.getPredefinedDescriptions();\r
+            for (int i = 0; i < pds.length; ++i) {\r
+                PageDesc pd = pds[i];\r
+                combo.add(pd.getText());\r
+                combo.setData(pd.getText(), pd);\r
+            }\r
+\r
+            applyValuesToWidgets();\r
+        }\r
+\r
+        @Override\r
+        protected void doLoad() {\r
+            if (group != null) {\r
+                DiagramPreferences prefs = DiagramPreferenceUtil.getPreferences();\r
+\r
+                desc = prefs.get(DiagramPreferences.P_DEFAULT_PAGE_SIZE);\r
+                previousDesc = desc;\r
+\r
+                applyValuesToWidgets();\r
+            }\r
+        }\r
+\r
+        private void applyValuesToWidgets() {\r
+            applyValuesToWidgets(true);\r
+        }\r
+\r
+        private void applyValuesToWidgets(boolean applyMargins) {\r
+               PageOrientation orit = desc.getOrientation();\r
+            portrait.setSelection( orit == PageOrientation.Portrait );\r
+            landscape.setSelection(  orit == PageOrientation.Landscape );\r
+            String name = desc.getText();\r
+            int selectedIndex = combo.getSelectionIndex();\r
+            for (int i = 0; i < combo.getItemCount(); ++i) {\r
+                String item = combo.getItem(i);\r
+                if (name.equals(item)) {\r
+                    if (selectedIndex != i) {\r
+                        combo.select(i);\r
+                    }\r
+                    break;\r
+                }\r
+            }\r
+\r
+            if (applyMargins) {\r
+                boolean marginEnabled = !desc.isInfinite();\r
+                topMargin.setEnabled(marginEnabled);\r
+                leftMargin.setEnabled(marginEnabled);\r
+                rightMargin.setEnabled(marginEnabled);\r
+                bottomMargin.setEnabled(marginEnabled);\r
+\r
+                if (marginEnabled) {\r
+                    removeMarginListeners();\r
+                    Margins margins = desc.getMargins();\r
+                    topMargin.setText(DecimalFormat.getNumberInstance().format(margins.top.diagramAbsolute));\r
+                    leftMargin.setText(DecimalFormat.getNumberInstance().format(margins.left.diagramAbsolute));\r
+                    rightMargin.setText(DecimalFormat.getNumberInstance().format(margins.right.diagramAbsolute));\r
+                    bottomMargin.setText(DecimalFormat.getNumberInstance().format(margins.bottom.diagramAbsolute));\r
+                    addMarginListeners();\r
+                }\r
+            }\r
+\r
+            layout(desc);\r
+        }\r
+\r
+        void layout(PageDesc desc) {\r
+            double max = Math.max(desc.getOrientedWidth(), desc.getOrientedHeight());\r
+            double min = Math.min(desc.getOrientedWidth(), desc.getOrientedHeight());\r
+            double ratio = min / max;\r
+            int larger = 100;\r
+            int smaller = (int) Math.round(ratio*larger);\r
+\r
+            boolean vertical = desc.getOrientedWidth() < desc.getOrientedHeight();\r
+\r
+            GridData gd = (GridData) pageCanvas.getLayoutData();\r
+            gd.widthHint = vertical ? smaller : larger;\r
+            gd.heightHint = vertical ? larger : smaller;\r
+\r
+            group.getParent().layout(true, true);\r
+            pageCanvas.redraw();\r
+        }\r
+\r
+        @Override\r
+        protected void doLoadDefault() {\r
+            if (group != null) {\r
+                DiagramPreferences prefs = DiagramPreferenceUtil.getDefaultPreferences();\r
+                desc = prefs.get(DiagramPreferences.P_DEFAULT_PAGE_SIZE);\r
+                previousDesc = desc;\r
+\r
+                applyValuesToWidgets();\r
+            }\r
+            // This is a workaround for a problem of not having a single preference backing this CommonsFieldEditor\r
+            setPresentsDefaultValue(false);\r
+        }\r
+\r
+        @Override\r
+        protected void doStore() {\r
+            try {\r
+                DiagramPreferenceUtil.flushPreferences(DiagramPreferenceUtil.getPreferences().withValue(DiagramPreferences.P_DEFAULT_PAGE_SIZE, desc));\r
+            } catch (BackingStoreException e) {\r
+                ErrorLogger.defaultLogError("Could not store diagram preferences", e);\r
+            }\r
+        }\r
+\r
+        @Override\r
+        public int getNumberOfControls() {\r
+            return 1;\r
+        }\r
+    }\r
+\r
+}\r