1 /* 2 * Copyright (c) 2023-2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_TEXT_FIELD_PATTERN_CONTENT_CONTROLLER_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_TEXT_FIELD_PATTERN_CONTENT_CONTROLLER_H 18 19 #include <string> 20 #include <utility> 21 22 #include "base/memory/ace_type.h" 23 #include "base/memory/referenced.h" 24 #include "base/utils/string_utils.h" 25 #include "base/utils/utf_helper.h" 26 #include "core/common/ime/text_input_type.h" 27 #include "core/components_ng/pattern/pattern.h" 28 29 namespace OHOS::Ace::NG { 30 class ContentController : public virtual AceType { 31 DECLARE_ACE_TYPE(ContentController, AceType); 32 33 public: ContentController(const WeakPtr<Pattern> & pattern)34 explicit ContentController(const WeakPtr<Pattern>& pattern) : pattern_(pattern) {} 35 ~ContentController() override = default; 36 bool InsertValue(int32_t index, const std::u16string& value); 37 bool ReplaceSelectedValue(int32_t startIndex, int32_t endIndex, const std::u16string& value); 38 std::u16string GetSelectedValue(int32_t startIndex, int32_t endIndex); 39 std::u16string GetValueBeforeIndex(int32_t index); 40 std::u16string GetValueAfterIndex(int32_t index); 41 void erase(int32_t startIndex, int32_t length); 42 int32_t Delete(int32_t startIndex, int32_t length, bool isBackward); 43 int32_t GetDeleteLength(int32_t startIndex, int32_t length, bool isBackward); 44 bool IsIndexBeforeOrInEmoji(int32_t index); 45 bool FilterValue(); 46 void FilterValueType(std::u16string& value); 47 std::string GetSelectedLimitValue(int32_t& index, int32_t& startIndex); 48 void FilterTextInputStyle(bool& textChanged, std::u16string& result); 49 void FilterValue(std::u16string& value); 50 GetTextValue()51 std::string GetTextValue() 52 { 53 return UtfUtils::Str16DebugToStr8(content_); 54 } 55 GetTextUtf16Value()56 const std::u16string& GetTextUtf16Value() 57 { 58 return content_; 59 } 60 IsEmpty()61 bool IsEmpty() 62 { 63 return content_.empty(); 64 } 65 SetTextValue(std::u16string && value)66 void SetTextValue(std::u16string&& value) 67 { 68 content_ = value; 69 FilterValue(); 70 } 71 SetTextValue(const std::u16string & value)72 void SetTextValue(const std::u16string& value) 73 { 74 content_ = value; 75 FilterValue(); 76 } 77 SetTextValueOnly(std::u16string && value)78 void SetTextValueOnly(std::u16string&& value) 79 { 80 content_ = value; 81 } 82 SetTextValueOnly(const std::u16string & value)83 void SetTextValueOnly(const std::u16string& value) 84 { 85 content_ = value; 86 } 87 Reset()88 void Reset() 89 { 90 content_ = u""; 91 } 92 GetInsertValue()93 std::u16string GetInsertValue() 94 { 95 return insertValue_; 96 } 97 98 private: 99 void FormatIndex(int32_t& startIndex, int32_t& endIndex); 100 bool FilterWithEvent(const std::u16string& filter, std::u16string& result); 101 std::u16string PreprocessString(int32_t startIndex, int32_t endIndex, const std::u16string& value); 102 static std::u16string RemoveErrorTextFromValue(const std::u16string& value, const std::u16string& errorText); 103 static std::u16string FilterWithRegex(const std::u16string& filter, std::u16string& result); 104 static bool FilterWithEmail(std::u16string& result); 105 static bool FilterWithAscii(std::u16string& result); 106 static bool FilterWithDecimal(std::u16string& result); 107 108 std::u16string insertValue_; 109 std::u16string content_; 110 WeakPtr<Pattern> pattern_; 111 }; 112 } // namespace OHOS::Ace::NG 113 114 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_TEXT_FIELD_PATTERN_CONTENT_CONTROLLER_H