diff -r 000000000000 -r d760517a8095 uidesigner/com.nokia.sdt.series60.componentlibrary/components/controls/CEikLabel_visual.js --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/uidesigner/com.nokia.sdt.series60.componentlibrary/components/controls/CEikLabel_visual.js Tue Mar 24 22:20:21 2009 -0500 @@ -0,0 +1,245 @@ +/* +* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of the License "Eclipse Public License v1.0" +* which accompanies this distribution, and is available +* at the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - initial contribution. +* +* Contributors: +* +* Description: +* +*/ + + +include("../renderLibrary.js") +include("../implLibrary.js") + +function CEikLabelVisual() { +} + +function isDialog(inst) { + return inst.componentId == "com.nokia.sdt.series60.CAknDialog"; +} + +CEikLabelVisual.prototype.draw = function(instance, laf, graphics) { + draw(instance, laf, graphics, false); +} + +CEikLabelVisual.prototype.getPreferredSize = function(instance, laf, wHint, hHint) { + return getPreferredSize(instance, laf, wHint, hHint, !isDialog(instance.parent)); +} + + +setupCommonDirectLabelEditing(CEikLabelVisual.prototype, + "text", + null, + function(instance, laf) { return laf.getFont(instance.properties.font); } + ) + +function draw(instance, laf, graphics, wrap) { + var properties = instance.properties + var flags = 0; + + if (wrap) + flags |= Font.WRAPPING_ENABLED; + else + flags |= Font.WRAPPING_NONE; + + switch (properties.alignment) { + case "EEikLabelAlignHCenter": + flags |= Font.ALIGN_CENTER; break; + case "EEikLabelAlignHLeft": + flags |= Font.ALIGN_LEFT; break; + case "EEikLabelAlignHRight": + flags |= Font.ALIGN_RIGHT; break; + } + if (properties.strikethrough != false) + flags |= Font.OPTIONS_STRIKETHROUGH; + if (properties.underline != false) + flags |= Font.OPTIONS_UNDERLINE; + +/* + switch (properties.emphasis) { + case "EPartialEmphasis": + flags |= Font.OPTIONS_BOLD; + break; + case "EFullEmphasis": + flags |= Font.OPTIONS_EXTRABOLD; + } +*/ + + var font = laf.getFont(properties.font); + graphics.setFont(font); + + var pattern = null; + var drawBg = false; + graphics.setBackground(getBackgroundColor(instance, laf)) + + switch (properties.emphasis) { + case "EPartialEmphasis": + drawBg = true; + graphics.setBackground(laf.getColor("EEikColorLabelBackgroundPartialEmphasis")); + break; + case "EFullEmphasis": + drawBg = true; + graphics.setBackground(laf.getColor("EEikColorLabelBackgroundFullEmphasis")); + } + + // get bounding rect + var rect = instance.getRenderingBounds(); + var text = chooseScalableText(properties.text, font, rect.width); + + if (drawBg) { + graphics.fillRectangle(rect); + } + + if (properties.brushStyle != "ENullBrush") { + pattern = getPattern(graphics, properties.brushStyle); + graphics.setBackgroundPattern(pattern); + graphics.fillRectangle(rect); + } + + + // Series 60 draws left justified if the extent is at least the bounds + oversize = new Point(rect.width * 2, rect.height); + size = graphics.formattedStringExtent(text, oversize, flags | Font.WRAPPING_NONE); + if (size.x >= rect.width) { + flags &= ~Font.ALIGN_MASK; + flags |= Font.ALIGN_LEFT; + } + + text = text.replace(/\u2028|\u2029/,"\u7fff"); + graphics.drawFormattedString(text, + rect, + flags, + properties.pixelGapBetweenLines); + + if (pattern != null) + pattern.dispose(); +} + +// N.B.: we must define this function outside the prototype +// in order for strings to persist as such. Otherwise they +// are converted to Object and switch() no longer works! + +function getPattern(graphics, patt) { + + if (this.image3 == null) { + this.image3 = Images.newImage(graphics.getDevice(), 3, 3) + } + if (this.image4 == null) { + this.image4 = Images.newImage(graphics.getDevice(), 4, 4) + } + + //println("brush type: " +typeof(patt)); + + var img; + if (patt != "EDiamondCrossHatchBrush" + && patt != "EVerticalHatchBrush" + && patt != "EHorizontalHatchBrush") + img = this.image3 + else + img = this.image4 + + var gc = new GC(graphics.getDevice(), img) + + //gc.setBackground(Colors.getColor(255, 255, 255)) + gc.setBackground(graphics.getBackground()) + gc.fillRectangle(0, 0, 4, 4); + gc.setBackground(Colors.getColor(255, 255,255)) + gc.setForeground(Colors.getColor(0, 0, 0)) + + switch (patt) { + case "EVerticalHatchBrush": + gc.drawLine(1, 0, 1, 3); + gc.drawLine(3, 0, 3, 3); + break; + case "EForwardDiagonalHatchBrush": + gc.drawLine(0, 2, 2, 0); + break; + case "EHorizontalHatchBrush": + gc.drawLine(0, 1, 3, 1); + gc.drawLine(0, 3, 3, 3); + break; + case "ERearwardDiagonalHatchBrush": + gc.drawLine(0, 0, 2, 2); + break; + case "ESquareCrossHatchBrush": + gc.drawLine(1, 0, 1, 3); + gc.drawLine(0, 1, 3, 1); + break; + case "EDiamondCrossHatchBrush": + gc.drawLine(0, 0, 3, 3); + gc.drawLine(2, 0, 0, 2); + break; + case "ESolidBrush": + default: + // note: if all cases come here, it's because switch(string) + // only makes sense with actual string types. + // If this function is part of a prototype that's wrapped + // into JS by UI Designer, then Rhino tends to coerce the arguments + // to Object. + + //println("default brush type: " +patt); + gc.setBackground(Colors.getColor(0, 0, 0)) + gc.fillRectangle(0, 0, 5, 5); + break; + } + + gc.dispose() + + try { + return new Pattern(graphics.getDevice(), img) + } catch (e) { + // not GDI+ + return null; + } +} + +function getPreferredSize(instance, laf, wHint, hHint, wrap) { + var properties = instance.properties; + var flags = 0; + + if (wrap) + flags |= Font.WRAPPING_ENABLED; + else + flags |= Font.WRAPPING_NONE; + + font = laf.getFont(properties.font); + switch (properties.alignment) { + case "EEikLabelAlignHCenter": + flags |= Font.ALIGN_CENTER; break; + case "EEikLabelAlignHLeft": + flags |= Font.ALIGN_LEFT; break; + case "EEikLabelAlignHRight": + flags |= Font.ALIGN_RIGHT; break; + } + + // get bounding rect + var layoutBounds = instance.getLayoutBounds(); + width = layoutBounds.width; + height = layoutBounds.height; + // if either of these are empty, use the parent's bounds as starting point + if ((width == 0) || (height == 0)) { + layoutBounds = instance.parent.getLayoutBounds(); + width = layoutBounds.width; + height = layoutBounds.height; + } + + if (wHint >= 0) + width = wHint; + if (hHint >= 0) + height = hHint; + var bounds = new Point(width, height); + + var text = chooseScalableText(properties.text.toString(), font, width); + if (text.length == 0) + text = " "; + return font.formattedStringExtent(text, bounds, flags, properties.pixelGapBetweenLines); +} +