- * A PageDesc contains information about page size, orientation and margins. - * - * This code is copied from {@link DiagramPreferencePage}. To remove - * duplication, this code should be employed in DiagramPreferencePage. - * - * @author Tuukka Lehtonen (extracted here by Marko Luukkainen) - */ -public class PageDescComposite extends Composite { - - PageDesc desc = PageDesc.DEFAULT; - PageDesc previousDesc; - - Button portrait; - Button landscape; - Combo combo; - - Text topMargin; - Text leftMargin; - Text rightMargin; - Text bottomMargin; - - Canvas pageCanvas; - - Listener marginListener = new Listener() { - @Override - public void handleEvent(Event event) { - if (event.type == SWT.Modify) { - Text txt = (Text) event.widget; - String s = txt.getText(); - double value = 0; - boolean invalid = false; - try { - value = DecimalFormat.getInstance().parse(s).doubleValue(); - } catch (ParseException e) { - invalid = true; - } - if (invalid) { - txt.setBackground(txt.getDisplay().getSystemColor(SWT.COLOR_RED)); - } else { - txt.setBackground(null); - int mask = txt == topMargin ? Margins.TOP : txt == leftMargin ? Margins.LEFT - : txt == rightMargin ? Margins.RIGHT : txt == bottomMargin ? Margins.BOTTOM : 0; - Margin m = new Margin(0, 0, value); - desc = desc.withMargins(desc.getMargins().withSide(mask, m)); - applyValuesToWidgets(false); - } - } else if (event.type == SWT.FocusIn) { - Text txt = (Text) event.widget; - txt.selectAll(); - } - } - }; - - int[] marginEvents = { SWT.Modify, SWT.FocusIn }; - - private void addMarginListeners() { - for (int et : marginEvents) { - topMargin.addListener(et, marginListener); - leftMargin.addListener(et, marginListener); - rightMargin.addListener(et, marginListener); - bottomMargin.addListener(et, marginListener); - } - } - - private void removeMarginListeners() { - for (int et : marginEvents) { - topMargin.removeListener(et, marginListener); - leftMargin.removeListener(et, marginListener); - rightMargin.removeListener(et, marginListener); - bottomMargin.removeListener(et, marginListener); - } - } - - public PageDescComposite(Composite parent, int style) { - super(parent,style); - createChoosers(this); - } - - public void setPageDesc(PageDesc desc) { - if (desc == null) - throw new NullPointerException("null page desc"); - this.desc = desc; - applyValuesToWidgets(); - } - - public PageDesc getPageDesc() { - return desc; - } - - protected void createChoosers(Composite parent) { - //parent.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_BLUE)); - GridLayoutFactory.fillDefaults().numColumns(3).equalWidth(false).extendedMargins(12, 12, 12, 12).spacing(5, 4).applyTo(parent); - Label label = new Label(parent, 0); - label.setText("Size:"); - combo = new Combo(parent, 0); - combo.addListener(SWT.Selection, new Listener() { - @Override - public void handleEvent(Event event) { - PageDesc pd = (PageDesc) combo.getData(combo.getItem(combo.getSelectionIndex())); - if (pd != null) { - desc = desc.withSizeFrom(pd).withText(pd.getText()); - applyValuesToWidgets(); - } - } - }); - - Composite marginComposite = new Composite(parent, 0); - //marginComposite.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_RED)); - GridDataFactory.fillDefaults().grab(true, true).grab(true, true).align(SWT.CENTER, SWT.CENTER).span(1, 2).applyTo(marginComposite); - GridLayoutFactory.fillDefaults().numColumns(3).margins(5, 5).spacing(3, 3).applyTo(marginComposite); - label = new Label(marginComposite, 0); - label.setText("Margins (mm)"); - - GridDataFactory.fillDefaults().align(SWT.CENTER, SWT.TOP).span(3, 1).applyTo(label); - label = new Label(marginComposite, 0); - GridDataFactory.fillDefaults().align(SWT.CENTER, SWT.TOP).span(3, 1).applyTo(label); - new Label(marginComposite, 0); - topMargin = new Text(marginComposite, SWT.BORDER | SWT.CENTER); - GridDataFactory.fillDefaults().hint(50, SWT.DEFAULT).grab(true, false).applyTo(topMargin); - new Label(marginComposite, 0); - leftMargin = new Text(marginComposite, SWT.BORDER | SWT.RIGHT); - GridDataFactory.swtDefaults().hint(50, SWT.DEFAULT).grab(true, false).applyTo(leftMargin); - pageCanvas = new Canvas(marginComposite, 0); - GridDataFactory.swtDefaults().hint(SWT.DEFAULT, SWT.DEFAULT).grab(true, true).applyTo(pageCanvas); - pageCanvas.addPaintListener(new PaintListener() { - @Override - public void paintControl(PaintEvent e) { - GC gc = e.gc; - Point size = pageCanvas.getSize(); - - double w = desc.getOrientedWidth(); - double h = desc.getOrientedHeight(); - - Margins margins = desc.getMargins(); - int top = (int) Math.round(size.y * margins.top.diagramAbsolute / h); - int bottom = (int) Math.round(size.y * margins.bottom.diagramAbsolute / h); - int left = (int) Math.round(size.x * margins.left.diagramAbsolute / w); - int right = (int) Math.round(size.x * margins.right.diagramAbsolute / w); - - gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_GRAY)); - gc.fillRectangle(0, 0, size.x, size.y); - - if ((top+bottom) < size.y && (left+right) < size.x) { - gc.drawLine(left, 0, left, size.y-1); - gc.drawLine(size.x-1-right, 0, size.x-1-right, size.y-1); - gc.drawLine(0, top, size.x-1, top); - gc.drawLine(0, size.y-1-bottom, size.x-1, size.y-1-bottom); - - gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_WHITE)); - gc.fillRectangle(left+1, top+1, size.x-2-right-left, size.y-2-top-bottom); - } - } - }); - rightMargin = new Text(marginComposite, SWT.BORDER | SWT.LEFT); - GridDataFactory.swtDefaults().hint(50, SWT.DEFAULT).grab(true, false).applyTo(rightMargin); - new Label(marginComposite, 0); - bottomMargin = new Text(marginComposite, SWT.BORDER | SWT.CENTER); - GridDataFactory.fillDefaults().hint(50, SWT.DEFAULT).grab(true, false).applyTo(bottomMargin); - new Label(marginComposite, 0); - - addMarginListeners(); - - label = new Label(parent, 0); - label.setText("Orientation:"); - Composite comp = new Composite(parent, 0); - GridDataFactory.fillDefaults().span(1, 1).align(SWT.LEFT, SWT.CENTER).applyTo(comp); - GridLayoutFactory.fillDefaults().numColumns(1).applyTo(comp); - portrait = new Button(comp, SWT.RADIO); - landscape = new Button(comp, SWT.RADIO); - portrait.setText("Portrait"); - landscape.setText("Landscape"); - - Listener orientationListener = new Listener() { - @Override - public void handleEvent(Event event) { - if (portrait.getSelection()) - desc = desc.withOrientation(PageOrientation.Portrait); - else - desc = desc.withOrientation(PageOrientation.Landscape); - - applyValuesToWidgets(); - } - }; - portrait.addListener(SWT.Selection, orientationListener); - landscape.addListener(SWT.Selection, orientationListener); - - PageDesc[] pds = PageDesc.getPredefinedDescriptions(); - for (int i = 0; i < pds.length; ++i) { - PageDesc pd = pds[i]; - combo.add(pd.getText()); - combo.setData(pd.getText(), pd); - } - - applyValuesToWidgets(); - } - - - - private void applyValuesToWidgets() { - applyValuesToWidgets(true); - } - - private void applyValuesToWidgets(boolean applyMargins) { - switch (desc.getOrientation()) { - case Portrait: - portrait.setSelection(true); - landscape.setSelection(false); - break; - case Landscape: - portrait.setSelection(false); - landscape.setSelection(true); - break; - } - String name = desc.getText(); - int selectedIndex = combo.getSelectionIndex(); - for (int i = 0; i < combo.getItemCount(); ++i) { - String item = combo.getItem(i); - if (name.equals(item)) { - if (selectedIndex != i) { - combo.select(i); - } - break; - } - } - - if (applyMargins) { - boolean marginEnabled = !desc.isInfinite(); - topMargin.setEnabled(marginEnabled); - leftMargin.setEnabled(marginEnabled); - rightMargin.setEnabled(marginEnabled); - bottomMargin.setEnabled(marginEnabled); - - if (marginEnabled) { - removeMarginListeners(); - Margins margins = desc.getMargins(); - topMargin.setText(DecimalFormat.getNumberInstance().format(margins.top.diagramAbsolute)); - leftMargin.setText(DecimalFormat.getNumberInstance().format(margins.left.diagramAbsolute)); - rightMargin.setText(DecimalFormat.getNumberInstance().format(margins.right.diagramAbsolute)); - bottomMargin.setText(DecimalFormat.getNumberInstance().format(margins.bottom.diagramAbsolute)); - addMarginListeners(); - } - } - - layout(desc); - } - - void layout(PageDesc desc) { - double max = Math.max(desc.getOrientedWidth(), desc.getOrientedHeight()); - double min = Math.min(desc.getOrientedWidth(), desc.getOrientedHeight()); - double ratio = min / max; - int larger = 100; - int smaller = (int) Math.round(ratio*larger); - - boolean vertical = desc.getOrientedWidth() < desc.getOrientedHeight(); - - GridData gd = (GridData) pageCanvas.getLayoutData(); - gd.widthHint = vertical ? smaller : larger; - gd.heightHint = vertical ? larger : smaller; - - this.getParent().layout(true, true); - pageCanvas.redraw(); - } -} +/******************************************************************************* + * Copyright (c) 2007, 2010 Association for Decentralized Information Management + * in Industry THTH ry. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * VTT Technical Research Centre of Finland - initial API and implementation + *******************************************************************************/ +package org.simantics.modeling.ui.diagram; + +import java.text.DecimalFormat; +import java.text.ParseException; + +import org.eclipse.jface.layout.GridDataFactory; +import org.eclipse.jface.layout.GridLayoutFactory; +import org.eclipse.swt.SWT; +import org.eclipse.swt.events.PaintEvent; +import org.eclipse.swt.events.PaintListener; +import org.eclipse.swt.graphics.GC; +import org.eclipse.swt.graphics.Point; +import org.eclipse.swt.layout.GridData; +import org.eclipse.swt.widgets.Button; +import org.eclipse.swt.widgets.Canvas; +import org.eclipse.swt.widgets.Combo; +import org.eclipse.swt.widgets.Composite; +import org.eclipse.swt.widgets.Event; +import org.eclipse.swt.widgets.Label; +import org.eclipse.swt.widgets.Listener; +import org.eclipse.swt.widgets.Text; +import org.simantics.utils.page.PageDesc; +import org.simantics.utils.page.PageOrientation; +import org.simantics.modeling.ui.preferences.DiagramPreferencePage; +import org.simantics.utils.page.MarginUtils.Margin; +import org.simantics.utils.page.MarginUtils.Margins; + +/** + * A composite control for configuring a {@link PageDesc} instance. + * + *
+ * A PageDesc contains information about page size, orientation and margins. + * + * This code is copied from {@link DiagramPreferencePage}. To remove + * duplication, this code should be employed in DiagramPreferencePage. + * + * @author Tuukka Lehtonen (extracted here by Marko Luukkainen) + */ +public class PageDescComposite extends Composite { + + PageDesc desc = PageDesc.DEFAULT; + PageDesc previousDesc; + + Button portrait; + Button landscape; + Combo combo; + + Text topMargin; + Text leftMargin; + Text rightMargin; + Text bottomMargin; + + Canvas pageCanvas; + + Listener marginListener = new Listener() { + @Override + public void handleEvent(Event event) { + if (event.type == SWT.Modify) { + Text txt = (Text) event.widget; + String s = txt.getText(); + double value = 0; + boolean invalid = false; + try { + value = DecimalFormat.getInstance().parse(s).doubleValue(); + } catch (ParseException e) { + invalid = true; + } + if (invalid) { + txt.setBackground(txt.getDisplay().getSystemColor(SWT.COLOR_RED)); + } else { + txt.setBackground(null); + int mask = txt == topMargin ? Margins.TOP : txt == leftMargin ? Margins.LEFT + : txt == rightMargin ? Margins.RIGHT : txt == bottomMargin ? Margins.BOTTOM : 0; + Margin m = new Margin(0, 0, value); + desc = desc.withMargins(desc.getMargins().withSide(mask, m)); + applyValuesToWidgets(false); + } + } else if (event.type == SWT.FocusIn) { + Text txt = (Text) event.widget; + txt.selectAll(); + } + } + }; + + int[] marginEvents = { SWT.Modify, SWT.FocusIn }; + + private void addMarginListeners() { + for (int et : marginEvents) { + topMargin.addListener(et, marginListener); + leftMargin.addListener(et, marginListener); + rightMargin.addListener(et, marginListener); + bottomMargin.addListener(et, marginListener); + } + } + + private void removeMarginListeners() { + for (int et : marginEvents) { + topMargin.removeListener(et, marginListener); + leftMargin.removeListener(et, marginListener); + rightMargin.removeListener(et, marginListener); + bottomMargin.removeListener(et, marginListener); + } + } + + public PageDescComposite(Composite parent, int style) { + super(parent,style); + createChoosers(this); + } + + public void setPageDesc(PageDesc desc) { + if (desc == null) + throw new NullPointerException("null page desc"); + this.desc = desc; + applyValuesToWidgets(); + } + + public PageDesc getPageDesc() { + return desc; + } + + protected void createChoosers(Composite parent) { + //parent.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_BLUE)); + GridLayoutFactory.fillDefaults().numColumns(3).equalWidth(false).extendedMargins(12, 12, 12, 12).spacing(5, 4).applyTo(parent); + Label label = new Label(parent, 0); + label.setText("Size:"); + combo = new Combo(parent, 0); + combo.addListener(SWT.Selection, new Listener() { + @Override + public void handleEvent(Event event) { + PageDesc pd = (PageDesc) combo.getData(combo.getItem(combo.getSelectionIndex())); + if (pd != null) { + desc = desc.withSizeFrom(pd).withText(pd.getText()); + applyValuesToWidgets(); + } + } + }); + + Composite marginComposite = new Composite(parent, 0); + //marginComposite.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_RED)); + GridDataFactory.fillDefaults().grab(true, true).grab(true, true).align(SWT.CENTER, SWT.CENTER).span(1, 2).applyTo(marginComposite); + GridLayoutFactory.fillDefaults().numColumns(3).margins(5, 5).spacing(3, 3).applyTo(marginComposite); + label = new Label(marginComposite, 0); + label.setText("Margins (mm)"); + + GridDataFactory.fillDefaults().align(SWT.CENTER, SWT.TOP).span(3, 1).applyTo(label); + label = new Label(marginComposite, 0); + GridDataFactory.fillDefaults().align(SWT.CENTER, SWT.TOP).span(3, 1).applyTo(label); + new Label(marginComposite, 0); + topMargin = new Text(marginComposite, SWT.BORDER | SWT.CENTER); + GridDataFactory.fillDefaults().hint(50, SWT.DEFAULT).grab(true, false).applyTo(topMargin); + new Label(marginComposite, 0); + leftMargin = new Text(marginComposite, SWT.BORDER | SWT.RIGHT); + GridDataFactory.swtDefaults().hint(50, SWT.DEFAULT).grab(true, false).applyTo(leftMargin); + pageCanvas = new Canvas(marginComposite, 0); + GridDataFactory.swtDefaults().hint(SWT.DEFAULT, SWT.DEFAULT).grab(true, true).applyTo(pageCanvas); + pageCanvas.addPaintListener(new PaintListener() { + @Override + public void paintControl(PaintEvent e) { + GC gc = e.gc; + Point size = pageCanvas.getSize(); + + double w = desc.getOrientedWidth(); + double h = desc.getOrientedHeight(); + + Margins margins = desc.getMargins(); + int top = (int) Math.round(size.y * margins.top.diagramAbsolute / h); + int bottom = (int) Math.round(size.y * margins.bottom.diagramAbsolute / h); + int left = (int) Math.round(size.x * margins.left.diagramAbsolute / w); + int right = (int) Math.round(size.x * margins.right.diagramAbsolute / w); + + gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_GRAY)); + gc.fillRectangle(0, 0, size.x, size.y); + + if ((top+bottom) < size.y && (left+right) < size.x) { + gc.drawLine(left, 0, left, size.y-1); + gc.drawLine(size.x-1-right, 0, size.x-1-right, size.y-1); + gc.drawLine(0, top, size.x-1, top); + gc.drawLine(0, size.y-1-bottom, size.x-1, size.y-1-bottom); + + gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_WHITE)); + gc.fillRectangle(left+1, top+1, size.x-2-right-left, size.y-2-top-bottom); + } + } + }); + rightMargin = new Text(marginComposite, SWT.BORDER | SWT.LEFT); + GridDataFactory.swtDefaults().hint(50, SWT.DEFAULT).grab(true, false).applyTo(rightMargin); + new Label(marginComposite, 0); + bottomMargin = new Text(marginComposite, SWT.BORDER | SWT.CENTER); + GridDataFactory.fillDefaults().hint(50, SWT.DEFAULT).grab(true, false).applyTo(bottomMargin); + new Label(marginComposite, 0); + + addMarginListeners(); + + label = new Label(parent, 0); + label.setText("Orientation:"); + Composite comp = new Composite(parent, 0); + GridDataFactory.fillDefaults().span(1, 1).align(SWT.LEFT, SWT.CENTER).applyTo(comp); + GridLayoutFactory.fillDefaults().numColumns(1).applyTo(comp); + portrait = new Button(comp, SWT.RADIO); + landscape = new Button(comp, SWT.RADIO); + portrait.setText("Portrait"); + landscape.setText("Landscape"); + + Listener orientationListener = new Listener() { + @Override + public void handleEvent(Event event) { + if (portrait.getSelection()) + desc = desc.withOrientation(PageOrientation.Portrait); + else + desc = desc.withOrientation(PageOrientation.Landscape); + + applyValuesToWidgets(); + } + }; + portrait.addListener(SWT.Selection, orientationListener); + landscape.addListener(SWT.Selection, orientationListener); + + PageDesc[] pds = PageDesc.getPredefinedDescriptions(); + for (int i = 0; i < pds.length; ++i) { + PageDesc pd = pds[i]; + combo.add(pd.getText()); + combo.setData(pd.getText(), pd); + } + + applyValuesToWidgets(); + } + + + + private void applyValuesToWidgets() { + applyValuesToWidgets(true); + } + + private void applyValuesToWidgets(boolean applyMargins) { + switch (desc.getOrientation()) { + case Portrait: + portrait.setSelection(true); + landscape.setSelection(false); + break; + case Landscape: + portrait.setSelection(false); + landscape.setSelection(true); + break; + } + String name = desc.getText(); + int selectedIndex = combo.getSelectionIndex(); + for (int i = 0; i < combo.getItemCount(); ++i) { + String item = combo.getItem(i); + if (name.equals(item)) { + if (selectedIndex != i) { + combo.select(i); + } + break; + } + } + + if (applyMargins) { + boolean marginEnabled = !desc.isInfinite(); + topMargin.setEnabled(marginEnabled); + leftMargin.setEnabled(marginEnabled); + rightMargin.setEnabled(marginEnabled); + bottomMargin.setEnabled(marginEnabled); + + if (marginEnabled) { + removeMarginListeners(); + Margins margins = desc.getMargins(); + topMargin.setText(DecimalFormat.getNumberInstance().format(margins.top.diagramAbsolute)); + leftMargin.setText(DecimalFormat.getNumberInstance().format(margins.left.diagramAbsolute)); + rightMargin.setText(DecimalFormat.getNumberInstance().format(margins.right.diagramAbsolute)); + bottomMargin.setText(DecimalFormat.getNumberInstance().format(margins.bottom.diagramAbsolute)); + addMarginListeners(); + } + } + + layout(desc); + } + + void layout(PageDesc desc) { + double max = Math.max(desc.getOrientedWidth(), desc.getOrientedHeight()); + double min = Math.min(desc.getOrientedWidth(), desc.getOrientedHeight()); + double ratio = min / max; + int larger = 100; + int smaller = (int) Math.round(ratio*larger); + + boolean vertical = desc.getOrientedWidth() < desc.getOrientedHeight(); + + GridData gd = (GridData) pageCanvas.getLayoutData(); + gd.widthHint = vertical ? smaller : larger; + gd.heightHint = vertical ? larger : smaller; + + this.getParent().layout(true, true); + pageCanvas.redraw(); + } +}