1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 #include "precompiled_sd.hxx" 23 24 #include "PreviewValueSet.hxx" 25 #include <vcl/image.hxx> 26 27 28 namespace sd { namespace sidebar { 29 30 31 PreviewValueSet::PreviewValueSet (::Window* pParent) 32 : ValueSet (pParent, WB_TABSTOP), 33 maPreviewSize(10,10), 34 mnBorderWidth(3), 35 mnBorderHeight(3), 36 mnMaxColumnCount(-1) 37 { 38 SetStyle ( 39 GetStyle() 40 & ~(WB_ITEMBORDER)// | WB_MENUSTYLEVALUESET) 41 // | WB_FLATVALUESET); 42 ); 43 SetColCount(2); 44 SetExtraSpacing (2); 45 } 46 47 48 49 50 PreviewValueSet::~PreviewValueSet (void) 51 { 52 } 53 54 55 56 57 void PreviewValueSet::SetPreviewSize (const Size& rSize) 58 { 59 maPreviewSize = rSize; 60 } 61 62 63 64 65 void PreviewValueSet::SetRightMouseClickHandler (const Link& rLink) 66 { 67 maRightMouseClickHandler = rLink; 68 } 69 70 71 72 73 void PreviewValueSet::MouseButtonDown (const MouseEvent& rEvent) 74 { 75 if (rEvent.IsRight()) 76 maRightMouseClickHandler.Call(reinterpret_cast<void*>( 77 &const_cast<MouseEvent&>(rEvent))); 78 else 79 ValueSet::MouseButtonDown (rEvent); 80 81 } 82 83 84 85 86 void PreviewValueSet::Resize (void) 87 { 88 ValueSet::Resize (); 89 90 Size aWindowSize (GetOutputSizePixel()); 91 if (aWindowSize.Width()>0 && aWindowSize.Height()>0) 92 { 93 Rearrange(); 94 } 95 } 96 97 98 99 100 void PreviewValueSet::Rearrange (bool bForceRequestResize) 101 { 102 sal_uInt16 nNewColumnCount (CalculateColumnCount ( 103 GetOutputSizePixel().Width())); 104 sal_uInt16 nNewRowCount (CalculateRowCount (nNewColumnCount)); 105 106 SetColCount(nNewColumnCount); 107 SetLineCount(nNewRowCount); 108 } 109 110 111 112 113 sal_uInt16 PreviewValueSet::CalculateColumnCount (int nWidth) const 114 { 115 int nColumnCount = 0; 116 if (nWidth > 0) 117 { 118 nColumnCount = nWidth / (maPreviewSize.Width() + 2*mnBorderWidth); 119 if (nColumnCount < 1) 120 nColumnCount = 1; 121 else if (mnMaxColumnCount>0 && nColumnCount>mnMaxColumnCount) 122 nColumnCount = mnMaxColumnCount; 123 } 124 return (sal_uInt16)nColumnCount; 125 } 126 127 128 129 130 sal_uInt16 PreviewValueSet::CalculateRowCount (sal_uInt16 nColumnCount) const 131 { 132 int nRowCount = 0; 133 int nItemCount = GetItemCount(); 134 if (nColumnCount > 0) 135 { 136 nRowCount = (nItemCount+nColumnCount-1) / nColumnCount; 137 if (nRowCount < 1) 138 nRowCount = 1; 139 } 140 141 return (sal_uInt16)nRowCount; 142 } 143 144 145 146 147 sal_Int32 PreviewValueSet::GetPreferredWidth (sal_Int32 nHeight) 148 { 149 int nPreferredWidth (maPreviewSize.Width() + 2*mnBorderWidth); 150 151 // Get height of each row. 152 int nItemHeight (maPreviewSize.Height() + 2*mnBorderHeight); 153 154 // Calculate the row- and column count and from the later the preferred 155 // width. 156 int nRowCount = nHeight / nItemHeight; 157 if (nRowCount > 0) 158 { 159 int nColumnCount = (GetItemCount()+nRowCount-1) / nRowCount; 160 if (nColumnCount > 0) 161 nPreferredWidth = (maPreviewSize.Width() + 2*mnBorderWidth) 162 * nColumnCount; 163 } 164 165 return nPreferredWidth; 166 } 167 168 169 170 171 sal_Int32 PreviewValueSet::GetPreferredHeight (sal_Int32 nWidth) 172 { 173 int nRowCount (CalculateRowCount(CalculateColumnCount(nWidth))); 174 int nItemHeight (maPreviewSize.Height()); 175 176 return nRowCount * (nItemHeight + 2*mnBorderHeight); 177 } 178 179 180 181 182 } } // end of namespace sd::sidebar 183