Tsukanova I.V. HardLabWork4 #6
@ -14,6 +14,10 @@ public class DrawingObjectWarship implements IDrawingObject {
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return 0;
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}
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public DrawingWarship GetWarship() {
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return _warship;
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}
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@Override
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public void SetObject(int x, int y, int width, int height) {
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_warship.SetPosition(x, y, width, height);
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@ -3,7 +3,7 @@
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<grid id="27dc6" binding="mainPanel" layout-manager="GridLayoutManager" row-count="1" column-count="2" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
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<margin top="0" left="0" bottom="0" right="0"/>
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<constraints>
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<xy x="20" y="20" width="884" height="479"/>
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<xy x="20" y="20" width="884" height="676"/>
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</constraints>
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<properties/>
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<border type="none"/>
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@ -37,33 +37,6 @@
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<font/>
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</border>
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<children>
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<component id="d5ebd" class="javax.swing.JComboBox" binding="СomboBoxSelectorMap">
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<constraints>
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<grid row="0" column="0" row-span="1" col-span="3" vsize-policy="0" hsize-policy="2" anchor="8" fill="1" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<model>
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<item value="Простая карта"/>
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<item value="Преграды-линии"/>
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</model>
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</properties>
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</component>
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<component id="9e5dd" class="javax.swing.JButton" binding="ButtonAddWarship">
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<constraints>
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<grid row="2" column="0" row-span="1" col-span="3" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<text value="Add warship"/>
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</properties>
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</component>
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<component id="16e2c" class="javax.swing.JButton" binding="ButtonRemoveWarship">
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<constraints>
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<grid row="4" column="0" row-span="1" col-span="3" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<text value="Remove warship"/>
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</properties>
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</component>
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<component id="1fc5b" class="javax.swing.JButton" binding="ButtonShowStorage">
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<constraints>
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<grid row="6" column="0" row-span="1" col-span="3" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
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@ -80,14 +53,6 @@
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<text value="Show map"/>
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</properties>
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</component>
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<component id="608d7" class="javax.swing.JTextField" binding="TextBoxPosition">
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<constraints>
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<grid row="3" column="0" row-span="1" col-span="3" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
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<preferred-size width="150" height="-1"/>
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</grid>
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</constraints>
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<properties/>
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</component>
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<component id="2ea34" class="javax.swing.JButton" binding="ButtonRight">
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<constraints>
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<grid row="10" column="2" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="0" fill="3" indent="0" use-parent-layout="false">
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@ -136,14 +101,9 @@
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<text value=""/>
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</properties>
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</component>
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<vspacer id="aa195">
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<constraints>
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<grid row="1" column="1" row-span="1" col-span="1" vsize-policy="6" hsize-policy="1" anchor="0" fill="2" indent="0" use-parent-layout="false"/>
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</constraints>
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</vspacer>
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<vspacer id="fa6fc">
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<constraints>
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<grid row="5" column="1" row-span="1" col-span="1" vsize-policy="6" hsize-policy="1" anchor="0" fill="2" indent="0" use-parent-layout="false"/>
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<grid row="1" column="1" row-span="1" col-span="1" vsize-policy="6" hsize-policy="1" anchor="0" fill="2" indent="0" use-parent-layout="false"/>
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</constraints>
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</vspacer>
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<vspacer id="f6c4c">
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@ -151,6 +111,93 @@
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<grid row="8" column="1" row-span="1" col-span="1" vsize-policy="6" hsize-policy="1" anchor="0" fill="2" indent="0" use-parent-layout="false"/>
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</constraints>
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</vspacer>
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<component id="14e42" class="javax.swing.JButton" binding="deletedWarshipButtom">
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<constraints>
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<grid row="5" column="0" row-span="1" col-span="3" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<text value="Deleted warship"/>
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</properties>
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</component>
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<component id="16e2c" class="javax.swing.JButton" binding="ButtonRemoveWarship">
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<constraints>
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<grid row="4" column="0" row-span="1" col-span="3" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<text value="Remove warship"/>
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</properties>
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</component>
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<component id="608d7" class="javax.swing.JTextField" binding="TextBoxPosition">
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<constraints>
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<grid row="3" column="0" row-span="1" col-span="3" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
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<preferred-size width="150" height="-1"/>
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</grid>
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</constraints>
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<properties/>
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</component>
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<component id="9e5dd" class="javax.swing.JButton" binding="ButtonAddWarship">
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<constraints>
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<grid row="2" column="0" row-span="1" col-span="3" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<text value="Add warship"/>
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</properties>
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</component>
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<grid id="53593" binding="MapPanel" layout-manager="GridLayoutManager" row-count="5" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
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<margin top="0" left="0" bottom="0" right="0"/>
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<constraints>
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<grid row="0" column="0" row-span="1" col-span="3" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<name value=""/>
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</properties>
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<border type="bevel-lowered" title="Maps" title-justification="1" title-position="2"/>
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<children>
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<component id="91aeb" class="javax.swing.JTextField" binding="TextFieldMap">
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<constraints>
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<grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
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<preferred-size width="150" height="-1"/>
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</grid>
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</constraints>
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<properties/>
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</component>
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<component id="ddbe9" class="javax.swing.JButton" binding="CreateMapButton">
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<constraints>
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<grid row="2" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<text value="Create map"/>
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</properties>
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</component>
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<component id="b2e9e" class="javax.swing.JButton" binding="DeleteMapButton">
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<constraints>
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<grid row="4" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<text value="Delete map"/>
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</properties>
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</component>
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<component id="9cadb" class="javax.swing.JList" binding="ListBoxMaps">
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<constraints>
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<grid row="3" column="0" row-span="1" col-span="1" vsize-policy="6" hsize-policy="2" anchor="0" fill="3" indent="0" use-parent-layout="false">
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<preferred-size width="150" height="50"/>
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</grid>
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</constraints>
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<properties/>
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</component>
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<component id="8d7d6" class="javax.swing.JComboBox" binding="СomboBoxSelectorMap">
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<constraints>
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<grid row="1" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="2" anchor="8" fill="1" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<model>
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<item value="Простая карта"/>
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<item value="Преграды-линии"/>
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</model>
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</properties>
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</component>
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</children>
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</grid>
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</children>
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</grid>
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</children>
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@ -1,5 +1,8 @@
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.util.HashMap;
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public class FormMapWithSetWarships extends JFrame{
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private JPanel mainPanel;
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@ -15,8 +18,19 @@ public class FormMapWithSetWarships extends JFrame{
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private JButton ButtonUp;
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private JButton ButtonDown;
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private JButton ButtonLeft;
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private JButton deletedWarshipButtom;
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private JPanel MapPanel;
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private JTextField TextFieldMap;
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private JButton CreateMapButton;
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private JButton DeleteMapButton;
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private JList ListBoxMaps;
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private Image bufferedImage;
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private MapWithSetWarshipsGeneric<DrawingObjectWarship, AbstractMap> _mapWarshipsCollectionGeneric;
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private MapsCollection _mapsCollection;
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private final HashMap<String, AbstractMap> _mapsDict = new HashMap<>() {{
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put("Простая карта", new SimpleMap());
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put("Преграды-линии", new LineMap());
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}};
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public FormMapWithSetWarships(){
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InitializeComponent();
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@ -31,13 +45,35 @@ public class FormMapWithSetWarships extends JFrame{
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}
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}
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public void InitializeComponent(){
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private void ReloadMaps()
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{
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int index = ListBoxMaps.getSelectedIndex();
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ListBoxMaps.setListData(_mapsCollection.Keys().toArray(new String[0]));
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if (ListBoxMaps.getModel().getSize() > 0 && (index == -1 || index >= ListBoxMaps.getModel().getSize()))
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{
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ListBoxMaps.setSelectedIndex(0);
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}
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else if (ListBoxMaps.getModel().getSize() > 0 && index > -1 && index < ListBoxMaps.getModel().getSize())
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{
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ListBoxMaps.setSelectedIndex(index);
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}
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repaint();
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}
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private void InitializeComponent(){
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setContentPane(mainPanel);
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setTitle("Warship");
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setSize(1000, 693);
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setSize(935, 693);
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setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
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setVisible(true);
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_mapsCollection = new MapsCollection(getWidth(), getHeight());
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СomboBoxSelectorMap.removeAllItems();
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for(String elem:_mapsDict.keySet()){
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СomboBoxSelectorMap.addItem(elem);
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}
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Icon iconUp = new ImageIcon("src\\Images\\ArrowUp.jpg");
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ButtonUp.setIcon(iconUp);
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Icon iconDown = new ImageIcon("src\\Images\\ArrowDown.jpg");
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@ -47,24 +83,56 @@ public class FormMapWithSetWarships extends JFrame{
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Icon iconRight = new ImageIcon("src\\Images\\ArrowRight.jpg");
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ButtonRight.setIcon(iconRight);
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СomboBoxSelectorMap.addActionListener(e -> {
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AbstractMap map = switch (СomboBoxSelectorMap.getSelectedItem().toString()) {
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case "Простая карта" -> new SimpleMap();
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case "Преграды-линии" -> new LineMap();
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default -> null;
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};
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if( map != null){
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_mapWarshipsCollectionGeneric = new MapWithSetWarshipsGeneric<DrawingObjectWarship, AbstractMap>(
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PictureBox.getWidth(), PictureBox.getHeight(), map);
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}
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else
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ListBoxMaps.addListSelectionListener(e -> {
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if(ListBoxMaps.getSelectedIndex() == -1)
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return;
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bufferedImage = _mapsCollection.get(ListBoxMaps.getSelectedValue().toString()).ShowSet();
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repaint();
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});
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DeleteMapButton.addActionListener(e -> {
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if (ListBoxMaps.getSelectedIndex() == -1)
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{
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_mapWarshipsCollectionGeneric = null;
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return;
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}
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if(JOptionPane.showConfirmDialog(this,"Удалить карту " + ListBoxMaps.getSelectedValue().toString() + "?",
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"Удаление",JOptionPane.YES_NO_OPTION) == 0)
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{
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_mapsCollection.DelMap(ListBoxMaps.getSelectedValue().toString());
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ReloadMaps();
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}
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});
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CreateMapButton.addActionListener(e -> {
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if (СomboBoxSelectorMap.getSelectedIndex() == -1 || TextFieldMap.getText() == null || TextFieldMap.getText().equals(""))
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{
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JOptionPane.showMessageDialog(this,"Не все данные заполнены","Ошибка",JOptionPane.ERROR_MESSAGE);
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return;
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}
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if (!_mapsDict.containsKey(СomboBoxSelectorMap.getSelectedItem()))
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{
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JOptionPane.showMessageDialog(this,"Нет такой карты","Ошибка",JOptionPane.ERROR_MESSAGE);
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return;
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}
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_mapsCollection.AddMap(TextFieldMap.getText(), _mapsDict.get(СomboBoxSelectorMap.getSelectedItem().toString()));
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ReloadMaps();
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});
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deletedWarshipButtom.addActionListener(e -> {
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if (ListBoxMaps.getSelectedIndex() == -1)
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return;
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DrawingObjectWarship warship = _mapsCollection.get(ListBoxMaps.getSelectedValue().toString()).GetWarshipInDeleted();
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if (warship == null) {
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JOptionPane.showMessageDialog(null, "Стек пуст", "Ошибка", JOptionPane.ERROR_MESSAGE);
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return;
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}
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FormWarship form = new FormWarship(warship);
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form.setSize(1000, 700);
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form.setVisible(true);
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});
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ButtonAddWarship.addActionListener(e -> {
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if(_mapWarshipsCollectionGeneric == null){
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if(ListBoxMaps.getSelectedIndex() == -1){
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return;
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}
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FormWarshipCreator warshipCreator = new FormWarshipCreator();
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@ -75,10 +143,10 @@ public class FormMapWithSetWarships extends JFrame{
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if (warshipCreator.getSelectedWarship() != null) {
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DrawingObjectWarship warship = new DrawingObjectWarship(warshipCreator.getSelectedWarship());
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if (_mapWarshipsCollectionGeneric.Plus(warship) >= 0) {
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if (_mapsCollection.get(ListBoxMaps.getSelectedValue().toString()).Plus(warship)>=0) {
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JOptionPane.showMessageDialog(this,
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"Объект добавлен", "Успех", JOptionPane.INFORMATION_MESSAGE);
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bufferedImage = _mapWarshipsCollectionGeneric.ShowSet();
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bufferedImage = _mapsCollection.get(ListBoxMaps.getSelectedValue().toString()).ShowSet();
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repaint();
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} else {
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JOptionPane.showMessageDialog(this,
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@ -88,26 +156,26 @@ public class FormMapWithSetWarships extends JFrame{
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});
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ButtonRemoveWarship.addActionListener(e -> {
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String text = TextBoxPosition.getText();
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if (text == null || _mapWarshipsCollectionGeneric == null || text.isEmpty())
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if (TextBoxPosition.getText().isEmpty())
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{
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return;
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}
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int result = JOptionPane.showConfirmDialog(
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null,
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int result = JOptionPane.showConfirmDialog(null,
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"Удалить объект?",
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"Удаление",
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JOptionPane.YES_NO_CANCEL_OPTION);
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JOptionPane.YES_NO_OPTION,
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JOptionPane.WARNING_MESSAGE);
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if (result == JOptionPane.NO_OPTION)
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{
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return;
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}
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int pos = Integer.parseInt(text);
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if (_mapWarshipsCollectionGeneric.Minus(pos) != null)
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int pos = Integer.parseInt(TextBoxPosition.getText());
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if (_mapsCollection.get(ListBoxMaps.getSelectedValue().toString()).Minus(pos)!=null)
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{
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JOptionPane.showMessageDialog(this,
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"Объект удален","Успех",JOptionPane.INFORMATION_MESSAGE);
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bufferedImage = _mapWarshipsCollectionGeneric.ShowSet();
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bufferedImage = _mapsCollection.get(ListBoxMaps.getSelectedValue().toString()).ShowSet();
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repaint();
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}
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else
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|
@ -4,9 +4,9 @@ import java.awt.event.ComponentAdapter;
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import java.awt.event.ComponentEvent;
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import java.util.Random;
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public class FormWarship extends JFrame {
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public class FormWarship extends JDialog {
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private DrawingWarship _warship;
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public DrawingWarship selectedWarship;
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DrawingWarship selectedWarship;
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public DrawingWarship getSelectedCar(){
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return selectedWarship;
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}
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@ -29,6 +29,13 @@ public class FormWarship extends JFrame {
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InitializeComponent();
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}
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public FormWarship(DrawingObjectWarship warship){
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InitializeComponent();
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_warship = warship.GetWarship();
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SetData();
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}
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private void Draw(){
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Graphics2D graphics = (Graphics2D) drawPanel.getGraphics();
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graphics.clearRect(0, 0, drawPanel.getWidth(), drawPanel.getHeight());
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@ -36,6 +43,16 @@ public class FormWarship extends JFrame {
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_warship.DrawTransport(graphics);
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}
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@Override
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public void paint(Graphics g) {
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super.paint(g);
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if (_warship != null) {
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mainPanel.paintComponents(mainPanel.getGraphics());
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_warship.DrawTransport(g);
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}
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}
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private void SetData(){
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Random rnd = new Random();
|
||||
_warship.SetPosition(rnd.nextInt(10, 100), rnd.nextInt(10, 100), mainPanel.getWidth(), mainPanel.getHeight());
|
||||
@ -54,7 +71,6 @@ public class FormWarship extends JFrame {
|
||||
setContentPane(mainPanel);
|
||||
setTitle("Warship");
|
||||
setSize(900, 700);
|
||||
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
|
||||
setVisible(true);
|
||||
|
||||
Icon iconUp = new ImageIcon("src\\Images\\ArrowUp.jpg");
|
||||
|
@ -1,5 +1,6 @@
|
||||
import java.awt.*;
|
||||
import java.awt.image.BufferedImage;
|
||||
import java.util.Stack;
|
||||
|
||||
public class MapWithSetWarshipsGeneric <T extends IDrawingObject,U extends AbstractMap> {
|
||||
private final int _pictureWidth;
|
||||
@ -7,6 +8,7 @@ public class MapWithSetWarshipsGeneric <T extends IDrawingObject,U extends Abstr
|
||||
private final int _placeSizeWidth = 120;
|
||||
private final int _placeSizeHeight = 50;
|
||||
private final SetWarshipsGeneric<T> _setWarships;
|
||||
private Stack<T> _deletedWarship;
|
||||
private final U _map;
|
||||
|
||||
public MapWithSetWarshipsGeneric(int picWidth, int picHeight, U map)
|
||||
@ -17,6 +19,7 @@ public class MapWithSetWarshipsGeneric <T extends IDrawingObject,U extends Abstr
|
||||
_pictureWidth = picWidth;
|
||||
_pictureHeight = picHeight;
|
||||
_map = map;
|
||||
_deletedWarship = new Stack<>();
|
||||
}
|
||||
|
||||
public int Plus(T warship)
|
||||
@ -26,7 +29,9 @@ public class MapWithSetWarshipsGeneric <T extends IDrawingObject,U extends Abstr
|
||||
|
||||
public T Minus(int position)
|
||||
{
|
||||
return _setWarships.Remove(position);
|
||||
T warship=_setWarships.Remove(position);
|
||||
_deletedWarship.push(warship);
|
||||
return warship;
|
||||
}
|
||||
|
||||
public Image ShowSet()
|
||||
@ -92,6 +97,7 @@ public class MapWithSetWarshipsGeneric <T extends IDrawingObject,U extends Abstr
|
||||
|
||||
Color brush=Color.BLACK;
|
||||
Stroke penWide = new BasicStroke(3);
|
||||
Stroke penThin = new BasicStroke(1);
|
||||
|
||||
for (int i = 0; i < _pictureWidth / _placeSizeWidth; i++)
|
||||
{
|
||||
@ -102,6 +108,7 @@ public class MapWithSetWarshipsGeneric <T extends IDrawingObject,U extends Abstr
|
||||
g.drawLine(i * _placeSizeWidth + 20, j * _placeSizeHeight+2, i * _placeSizeWidth + (int)(_placeSizeWidth*0.8), j * _placeSizeHeight+2);
|
||||
g.drawLine(i * _placeSizeWidth + (int)(_placeSizeWidth * 0.8), j * _placeSizeHeight + 2, i * _placeSizeWidth + _placeSizeWidth, j * _placeSizeHeight + _placeSizeHeight/2);
|
||||
g.drawLine(i * _placeSizeWidth + _placeSizeWidth, j * _placeSizeHeight + _placeSizeHeight / 2, i * _placeSizeWidth+ (int)(_placeSizeWidth * 0.8), j * _placeSizeHeight + _placeSizeHeight);
|
||||
g.setStroke(penThin);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -120,4 +127,15 @@ public class MapWithSetWarshipsGeneric <T extends IDrawingObject,U extends Abstr
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public T GetWarshipInList(int ind){
|
||||
return _setWarships.Get(ind);
|
||||
}
|
||||
|
||||
public T GetWarshipInDeleted()
|
||||
{
|
||||
if(_deletedWarship.empty())
|
||||
return null;
|
||||
return _deletedWarship.pop();
|
||||
}
|
||||
}
|
||||
|
48
src/MapsCollection.java
Normal file
48
src/MapsCollection.java
Normal file
@ -0,0 +1,48 @@
|
||||
import java.util.ArrayList;
|
||||
import java.util.HashMap;
|
||||
|
||||
public class MapsCollection {
|
||||
private final HashMap<String, MapWithSetWarshipsGeneric<DrawingObjectWarship, AbstractMap>> _mapStorages;
|
||||
public ArrayList<String> Keys() {
|
||||
return new ArrayList<>(_mapStorages.keySet());
|
||||
}
|
||||
private final int _pictureWidth;
|
||||
private final int _pictureHeight;
|
||||
|
||||
public MapsCollection(int pictureWidth, int pictureHeight)
|
||||
{
|
||||
_mapStorages = new HashMap<>();
|
||||
_pictureWidth = pictureWidth;
|
||||
_pictureHeight = pictureHeight;
|
||||
}
|
||||
|
||||
public void AddMap(String name, AbstractMap map)
|
||||
{
|
||||
if (_mapStorages.containsKey(name))
|
||||
{
|
||||
return;
|
||||
}
|
||||
_mapStorages.put(name, new MapWithSetWarshipsGeneric<>(_pictureWidth,_pictureHeight,map));
|
||||
}
|
||||
|
||||
public void DelMap(String name)
|
||||
{
|
||||
_mapStorages.remove(name);
|
||||
}
|
||||
|
||||
public MapWithSetWarshipsGeneric<DrawingObjectWarship, AbstractMap> get(String ind){
|
||||
if (_mapStorages.containsKey(ind))
|
||||
{
|
||||
return _mapStorages.get(ind);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
public DrawingObjectWarship Get(String name, int ind) {
|
||||
if (_mapStorages.containsKey(name))
|
||||
{
|
||||
return _mapStorages.get(name).GetWarshipInList(ind);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
}
|
@ -1,13 +1,17 @@
|
||||
public class SetWarshipsGeneric<T extends Object>{
|
||||
private final Object[] _places;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Iterator;
|
||||
|
||||
public class SetWarshipsGeneric<T extends Object> implements Iterable<T>{
|
||||
private ArrayList<T> _places;
|
||||
public int getCount() {
|
||||
return _places.length;
|
||||
return _places.size();
|
||||
}
|
||||
private final int _maxCount;
|
||||
|
||||
public SetWarshipsGeneric(int count)
|
||||
{
|
||||
_places = new Object[count];
|
||||
_places = new ArrayList<>();
|
||||
_maxCount = count;
|
||||
}
|
||||
|
||||
public int Insert(T warship)
|
||||
@ -17,41 +21,30 @@ public class SetWarshipsGeneric<T extends Object>{
|
||||
|
||||
public int Insert(T warship, int position)
|
||||
{
|
||||
if (position < 0 || position >= getCount())
|
||||
if (position < 0 || position >= _maxCount)
|
||||
return -1;
|
||||
|
||||
int empty = -1;
|
||||
for (int i = position + 1; i < getCount(); i++)
|
||||
{
|
||||
if (_places[i] == null)
|
||||
empty = i;
|
||||
}
|
||||
if (empty == -1)
|
||||
return 0;
|
||||
else
|
||||
{
|
||||
for (int i = empty; i > position; i--)
|
||||
_places[i] = _places[i - 1];
|
||||
}
|
||||
_places[position] = warship;
|
||||
return 1;
|
||||
_places.add(position, warship);
|
||||
return position;
|
||||
}
|
||||
|
||||
public T Remove(int position)
|
||||
{
|
||||
if (position >= getCount() || position < 0 || _places[position] == null)
|
||||
if (position >= _maxCount || position < 0)
|
||||
return null;
|
||||
|
||||
T deleted =(T) _places[position];
|
||||
_places[position] = null;
|
||||
T deleted = _places.get(position);
|
||||
_places.remove(position);
|
||||
return deleted;
|
||||
}
|
||||
|
||||
public T Get(int position)
|
||||
{
|
||||
if (position >= getCount() || position < 0)
|
||||
if (position > getCount() || position < 0)
|
||||
return null;
|
||||
return _places.get(position);
|
||||
}
|
||||
|
||||
return (T) _places[position];
|
||||
@Override
|
||||
public Iterator<T> iterator() {
|
||||
return _places.iterator();
|
||||
}
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user